A bag contains 3 gold marbles, 6 silver marbles, and 28 black marbles. A. Two marbles are to be randomly selected from the bag. Let X be the number of gold marbles selected and Y be the number of silver marbles selected. Find the joint probability distribution. B. Someone offers to play this game: You randomly select on marble from the bag. If it is gold, you win $3. If it is silver, you win $2. If it is black, you lose $1. What is your expected value if you play this game?

Answers

Answer 1

A. The joint probability distribution is:
- P(X=2, Y=0) = 6/1332
- P(X=1, Y=1) = 36/1332
- P(X=0, Y=2) = 30/1332

B. The expected value of playing this game is approximately $0.19 each time you play.

A. To find the joint probability distribution, we need to determine the probabilities of all possible outcomes for X and Y when selecting two marbles from the bag.

There are a total of 37 marbles in the bag (3 gold, 6 silver, and 28 black).

1. Probability of selecting 2 gold marbles (X=2, Y=0):
(3/37) * (2/36) = 6/1332

2. Probability of selecting 1 gold and 1 silver marble (X=1, Y=1):
(3/37) * (6/36) + (6/37) * (3/36) = 36/1332

3. Probability of selecting 2 silver marbles (X=0, Y=2):
(6/37) * (5/36) = 30/1332

So, the joint probability distribution is:

- P(X=2, Y=0) = 6/1332
- P(X=1, Y=1) = 36/1332
- P(X=0, Y=2) = 30/1332

B. To find the expected value of playing the game, we need to calculate the probability of selecting each type of marble and multiply it by its corresponding value.

1. Probability of selecting a gold marble: 3/37
Winning amount: $3

2. Probability of selecting a silver marble: 6/37
Winning amount: $2

3. Probability of selecting a black marble: 28/37
Losing amount: -$1

Expected value = (3/37 * $3) + (6/37 * $2) + (28/37 * -$1)
= 9/37 + 12/37 - 28/37
= -7/37

So, the expected value of playing this game is -$7/37, which means you can expect to lose approximately $0.19 each time you play.

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Related Questions

Find the new coordinates for the image under the given translation. Square RSTU with vertices R(-2, 1), S(3, 4), T(6, -1), and U(1, -4): (x, y) → (x-4, y − 1) - -9-8-7 -6 -5 -4 -3 -2 -1 0 1 2 R' (, ) S' (, ) T'(,0) U'(,) 3 4 LO 5 6 7 8 9​

Answers

Thus, the new coordinates for the image of translated Vertices of Square RSTU are-  R'(-6, 0), S'(-1, 3), T'(2, -2) and  U'(-3, -5).

Define about the translations:

In mathematics, a translation moves an object throughout the coordinate plane while preserving its dimensions and shape. After a translation, its area and orientation remain unchanged.

The vertical shift, horizontal shift, or perhaps a combination of the two can be referred to as a translation in mathematics.

Given that:

Vertices of Square RSTU.

R(-2, 1), S(3, 4), T(6, -1), and U(1, -4):

translation: (x, y) → (x-4, y − 1)

New vertices:

R(-2-4, 1 − 1) --> R'(-6, 0)

S(3-4, 4 − 1), ---> S'(-1, 3)

T(6-4, -1 − 1),  -> T'(2, -2)

U(1-4, -4 − 1) --> U'(-3, -5)

Thus, the new coordinates for the image of translated Vertices of Square RSTU are-  R'(-6, 0), S'(-1, 3), T'(2, -2) and  U'(-3, -5).

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PLEASE HELP!!!!!!! Two lines, E and F, are represented by the equations given below. Line E: 5x + 5y = 40 Line F: x + y = 8 Which statement is true about the solution to the set of equations? (4 points) Question 2 options: 1) It is (40, 8). 2) It is (8, 40). 3) There is no solution. 4) There are infinitely many solutions.

Answers

Answer: (4)

Step-by-step explanation:

Two lines E and F are same.

5x + 5y = 40

x + y = 8

Deviding both hands of E by 5,

we get F's equation.

So every single point on the line x+y=8

represents the solution of the given system.

Can I have help with this question, Please?
"Write an equation for the ellipse."
Center: (1, -3)

Answers

The equation of the ellipse with center (1, -3), and a semi major axis of 4, and a semi minor axis of 3 is; (x - 1)²/4² + (y + 3)²/3²

What is the standard form of the equation of an ellipse?

The standard form equation of an ellipse can be presented as follows;

(x - h)²/a² + (y - k)²/b² = 1

Where;

(h, k) = The coordinates of the center of the ellipse.

The length of the semi major axis = a

Length of the semi minor axis = b

The center of the specified ellipse is; (h, k) = (1, -3)

The semi major axis = 4

The length of the semi minor axis = 3

The equation of the ellipse is therefore;

(x - 1)²/4² + (y - (-3))²/3² = 1

(x - 1)²/4² + (y + 3)²/3² = 1

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If the team takes on two additional players, one at 5 feet 5 inches and the other at 6 feet 7 inches, how is the median of the data set affected? A. The effect on the median of the players' heights cannot be determined. B. The median of the players' heights is decreased. C. The median of the players' heights is increased. D. The median of the players' heights is not affected

Answers

Answer: The median of the players' heights is not affected.

Step-by-step explanation: B

The median of the players' heights is increased.

we need to consider the current arrangement of heights and the positions

of the new players in relation to the existing players' heights.

If we assume that the heights of the players are sorted in ascending order,

adding two additional players can affect the median in the following ways:

If both new players have heights lower than the current median:

In this case, adding the new players would not change the median.

The median would remain the same because the new players would be

added below the existing median, and the position of the median would

not shift.

If one new player has a height lower than the current median and the other

has a height higher than the current median:

In this case, the median would be increased.

Adding a taller player would shift the median towards the higher end of the data set.

If both new players have heights higher than the current median:

In this case, the  would be increased.

Both new players would be taller than the current median, causing the

median to shift towards the higher end of the data set.

Based on these possibilities, the answer is C.

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find the missing no 3,4,13,?,8,168

Answers

Answer:

I believe it is 38

Step-by-step explanation:

A survey of 61 randomly selected homeowners finds that they spend a mean of $62 per month on home maintenance. construct a 98% confidence interval for the mean amount of money spent per month on home maintenance by all homeowners. assume that the population standard deviation is $13 per month. round to the nearest cent.

Answers

The 98% confidence interval for the mean amount of money spent per month on home maintenance by all homeowners is $58.06 to $65.94.

To construct a confidence interval for the mean amount of money spent per month on home maintenance by all homeowners, we can use the formula:

CI = [tex]\bar{X}[/tex] ± Zα/2 * (σ/√n)

where [tex]\bar{X}[/tex] is the sample mean, Zα/2 is the critical value from the standard normal distribution corresponding to the desired confidence level, σ is the population standard deviation, and n is the sample size.

In this case, we have:

[tex]\bar{X}[/tex] = $62 (the sample mean)

α = 0.02 (since we want a 98% confidence interval, which means α/2 = 0.01)

Zα/2 = 2.33 (from the standard normal distribution table)

σ = $13 (the population standard deviation)

n = 61 (the sample size)

Substituting these values into the formula, we get:

CI = $62 ± 2.33 * ($13/√61)

Simplifying this expression, we get:

CI = $62 ± $3.94

Therefore, the 98% confidence interval for the mean amount of money spent per month on home maintenance by all homeowners is $58.06 to $65.94.

This means that we can be 98% confident that the true population mean falls within this range. In other words, if we were to repeat the survey many times and construct confidence intervals in the same way, about 98% of the intervals would contain the true population mean.

It's important to note that this assumes that the sample is representative of the population, and that the population standard deviation is known. If these assumptions are not met, then the confidence interval may not be accurate.

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A rectangular patio is 10 feet by 13 feet. what is the length of the diagonal of the patio? (use pythagorean theorem: a² + b ²= c²)

Answers

The length of the diagonal is c = √269 feet.


To get the length of the diagonal of a rectangular patio, we can use the Pythagorean theorem, which states that for a right triangle with legs of length a and b, and hypotenuse of length c, a² + b² = c². In this case, the legs of the right triangle are the length and width of the rectangular patio, which are 10 feet and 13 feet, respectively. Let's use a and b to represent these lengths.
a = 10 feet
b = 13 feet
We want to find the length of the diagonal, which is the hypotenuse of the right triangle. Let's use c to represent this length.
a² + b² = c²
10² + 13² = c²
100 + 169 = c²
269 = c²
Now we need to find the square root of 269 to get the length of the diagonal.
c = √269
c ≈ 16.4 feet
So the length of the diagonal of the rectangular patio is approximately 16.4 feet. We can also find the ratio of the length, width, and diagonal of the rectangular patio.
length:width = 10:13
width:length = 13:10
length:diagonal = 10:√269
width:diagonal = 13:√269
diagonal:length = √269:10
diagonal:width = √269:13

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a specific combination lock has 3 numbers chosen out of 40 possible numbers (0-39). assuming that all lock combinations are possible (including repeated numbers) find the number of possible lock combinations.

Answers

The total number of possible lock combination using the 40 possible numbers for making lock of 3 numbers is equal to 64,000.

Possible number used for lock combination are 40.

Range is 0 - 39.

Total number chosen for lock combination is equal to 3.

Since there are 40 possible numbers to choose from for each of the three positions on the combination lock.

The total number of possible combinations is equal to ,

40 x 40 x 40

= 40^3

= 64,000

Therefore, there are 64,000 possible lock combinations when choosing 3 numbers out of 40 possible numbers, assuming repeated numbers are allowed.

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FILL IN THE BLANK. Find the indefinite integral ∫ sin²(x)- cos²(x)/cos(x) dx =_______ Note: Use an upper-case "C" for the constant of integration.

Answers

The final result is  ∫ sin²(x)- cos²(x)/cos(x) dx = -3cos²(x)/2 + 2ln|cos(x)| + C.

To solve the indefinite integral ∫ sin²(x)- cos²(x)/cos(x) dx, we need to use trigonometric identities to simplify the integrand.

First, we use the identity sin²(x) + cos²(x) = 1 to write:

sin²(x) - cos²(x) = sin²(x) + cos²(x) - 2cos²(x) = 2sin²(x) - cos²(x)

Next, we use the identity sin²(x) = 1 - cos²(x) to write:

2sin²(x) - cos²(x) = 2(1-cos²(x)) - cos²(x) = 2 - 3cos²(x)

Substituting this into the original integral, we get:

∫ sin²(x)- cos²(x)/cos(x) dx = ∫ (2 - 3cos²(x))/cos(x) dx

Now, we use the substitution u = cos(x) and du/dx = -sin(x) dx to transform the integral into a simpler form:

∫ (2 - 3cos²(x))/cos(x) dx = ∫ (2 - 3u²)/u (-du/sin(x))

= -∫ (3u² - 2)/u du

= -3∫ u du + 2∫ du/u

= -3u²/2 + 2ln|u| + C

= -3cos²(x)/2 + 2ln|cos(x)| + C

where C is the constant of integration.

Substituting back u = cos(x), we obtain the final result

∫ sin²(x)- cos²(x)/cos(x) dx = -3cos²(x)/2 + 2ln|cos(x)| + C

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PLEASE HELPPPP!!!!


The base of a right octagonal prism has eight sides equal in length. One side of the base measures 2. 3 cm, and the area of the base is 25. 76 cm². The surface area of the prism is 223. 56 cm².

Whats the height of the prism?

Answers

The height of the right octagonal prism is approximately 10.75 cm.

The given information states that the base of the prism is a regular octagon with each side measuring 2.3 cm, and the area of the base is 25.76 cm². Additionally, the surface area of the prism is 223.56 cm².

First, let's calculate the area of the eight lateral faces. We can do this by subtracting the base's area from the total surface area:

223.56 cm² (total surface area) - 25.76 cm² (base area) = 197.8 cm² (lateral area)

Now, we know that the lateral area is the sum of the areas of all eight rectangular faces. Each rectangle has a base of 2.3 cm (the same as the sides of the octagonal base) and a height equal to the height of the prism (h). Since there are eight faces, the combined area of these rectangles is 8 x 2.3 x h:

8 x 2.3 x h = 197.8 cm²

18.4 x h = 197.8 cm²

To find the height of the prism (h), we can divide both sides of the equation by 18.4:

h = 197.8 cm² / 18.4

h ≈ 10.75 cm

So, the height of the right octagonal prism is approximately 10.75 cm.

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topic 3 providing lines are parallel
21

Answers

21. in the figure, provided line n and line m are parallel the values of x and y are

x = 7

y = 24

How to find x and y

21. When line m and line n are parallel then using corresponding angle theorem we have that:

7y - 23 + 8x - 21 = 180

7y - 8x = 180 + 23 - 21

7x - 8x = 182

Also

8x - 21 + 23x - 16 = 180

8x + 23x = 180 + 21 + 16

31x = 217

x = 217 / 31

x = 7

using vertical angle theorem we have:

7y - 23 = 23x - 16

plugging in the value of x

7y - 23 = 23 * 7 - 16

7y - 23 = 145

7y = 145 + 23

7y = 168

y = 24

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Practice writing and solving equations to solve number problems.



assessment started: undefined.


item 1


question 1


ansley’s age is 5 years younger than 3 times her cousin’s age. ansley is 31 years old.



let c represent ansley’s cousin’s age. what expression, using c, represents ansley’s age?



enter your response in the box.

Answers

Ansley's cousin is 12 years old, and Ansley's age can be found by plugging in 12 for Cousin's age.

How can we know that Ansley's age is 5 years less than 3 times her cousin's age?

The problem tells us that Ansley's age is 5 years less than 3 times her cousin's age. We can write this as an equation:

Ansley's age = 3 × Cousin's age - 5

We also know that Ansley is 31 years old. So we can substitute 31 for Ansley's age in the equation:

31 = 3 × Cousin's age - 5

Now we solve for Cousin's age. First, we add 5 to both sides of the equation:

31 + 5 = 3 × Cousin's age

Simplifying:

36 = 3 × Cousin's age

Finally, we divide both sides by 3:

Cousin's age = 12

So Ansley's cousin is 12 years old, and Ansley's age can be found by plugging in 12 for Cousin's age in the expression we found earlier:

Ansley's age = 3 × Cousin's age - 5 = 3 × 12 - 5 = 31

So Ansley is indeed 31 years old.

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Jenny is planning an extended trip to russia.the table below shows a list of cities which she would like to visit during her stay, along with the amount of money she anticipates needing to spend on travel, lodging, and similar expenses in each city. all costs are given in russian rubles (rub). city cost (rub) izhevsk 4,721 novosibirsk 4,870 nizhny novgorod 6,920 moscow 5,485 chelyabinsk 5,217 saint petersburg 5,960 tolyatti 5,598 yaroslavl 4,901 even though jenny wants to go to each of these cities, her budget is only rub 33,000, so she recognizes that she must change her itinerary and choose not to visit some cities. which of the following pairs of cities will not put jenny back under budget if she drops them? a. moscow and chelyabinsk b. izhevsk and nizhny novgorod c. novosibirsk and saint petersburg d. yaroslavl and tolyatti

Answers

The pairs of cities that will not put Jenny back under budget if she drops them are:

a. Moscow and Chelyabinsk

b. Izhevsk and Nizhny Novgorod

To determine which pair of cities Jenny can drop without going over budget, we need to find the total cost of each pair and see if it exceeds her budget of rub 33,000.

a. Moscow and Chelyabinsk:

Total cost = 5,485 + 5,217 = 10,702 rubles

This pair of cities is over budget, so Jenny cannot drop any other cities if she wants to visit both Moscow and Chelyabinsk.

b. Izhevsk and Nizhny Novgorod:

Total cost = 4,721 + 6,920 = 11,641 rubles

This pair of cities is over budget, so Jenny cannot drop any other cities if she wants to visit both Izhevsk and Nizhny Novgorod.

c. Novosibirsk and Saint Petersburg:

Total cost = 4,870 + 5,960 = 10,830 rubles

This pair of cities is under budget, so Jenny can drop this pair without going over budget.

d. Yaroslavl and Tolyatti:

Total cost = 4,901 + 5,598 = 10,499 rubles

This pair of cities is under budget, so Jenny can drop this pair without going over budget.

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How to get the centre of the circle when the circumference is not given

Answers

To find the center of a circle when the circumference is not given, you still find it.

1. Determine the coordinates of at least three non-collinear points on the circle. Non-collinear points are points that do not lie on a straight line.
2. Using these points, create two line segments that are chords of the circle. A chord is a line segment connecting two points on the circle.
3. Find the midpoints of each chord. The midpoint formula is given as: Midpoint (M) = ((x1 + x2) / 2, (y1 + y2) / 2).
4. Calculate the slope of each chord using the slope formula: Slope (m) = (y2 - y1) / (x2 - x1).
5. Calculate the slope of the perpendicular bisectors of each chord. Since these lines are perpendicular to the chords, their slopes are the negative reciprocal of the chord slopes: m_perpendicular = -1 / m_chord.
6. Write the equation of each perpendicular bisector using the point-slope formula: y - y_midpoint = m_perpendicular * (x - x_midpoint).
7. Solve the system of equations formed by the two perpendicular bisectors. The solution is the coordinates of the center of the circle.

By following these steps, you can find the center of the circle even when the circumference is not given.

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If f(9) = 9, f'(9) = 4, limit x→9√(f(x))-3/√(x)-3 =
A. 1
B. 1/4
C. 1/2
D. -1/2

Answers

The answer is A. 1. We can use L'Hopital's rule to evaluate the limit:

limit x→9√(f(x))-3/√(x)-3 = limit x→9 (f(x)-9)/(x-9) / (√(f(x))-3)/(√(x)-3)

Now, we know that f(9) = 9 and f'(9) = 4, so we can use the definition of the derivative to write:

f(x) - f(9) = f'(9)(x-9) + o(x-9)

where o(x-9) represents a term that goes to 0 faster than x-9 as x approaches 9. Plugging this into the numerator, we get:

f(x) - 9 = 4(x-9) + o(x-9)

Plugging this into the denominator, we get:

√(f(x)) - 3 = √(4(x-9) + o(x-9)) = 2√(x-9) + o(1)

√(x) - 3 = √(x-9) + o(1)

Therefore, the limit becomes:

limit x→9 (4(x-9) + o(x-9))/(√(x-9) + o(1)) / (2√(x-9) + o(1))/(√(x-9) + o(1))

Simplifying this expression, we get:

limit x→9 2(4(x-9) + o(x-9))/(√(x-9) + o(1))^2

limit x→9 8 + 2o(1)/(x-9)

As x approaches 9, the o(1) term goes to 0, so the limit becomes:

8 + 2*0/0 = 8

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What is the quotient of the expression (5.04×1012)÷(6.3×109) written in scientific notation?

Answers

The quotient of the expression (5.04×10^12)÷(6.3×10^9) written in scientific notation is 8 × 10^2.

To divide two numbers written in scientific notation, we can divide their coefficients (the decimal parts) and subtract their exponents. So, we have:

(5.04 × 10^12) ÷ (6.3 × 10^9) = (5.04 ÷ 6.3) × 10^(12-9) = 0.8 × 10^3

Since 0.8 is less than 1, we can write this number in scientific notation by moving the decimal point one place to the right and subtracting 1 from the exponent:

0.8 × 10^3 = 8 × 10^2

Therefore, the quotient of the expression (5.04×10^12)÷(6.3×10^9) written in scientific notation is 8 × 10^2.

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Algebra please help



Your school newspaper has an editor-in-chief and an assistant editor-in-chief. The newspaper staff


has 5 students. How many different ways can students be chosen for these positions?

Answers

There are 20 different ways the students can be chosen for the positions of editor-in-chief and assistant editor-in-chief.

There are 5 students in the newspaper staff, and two positions to fill i.e. editor-in-chief and assistant editor-in-chief. We need to find the number of different ways the students can be chosen for these positions.

To solve this problem, we can use the formula for permutation

We know the formula for Permutation is

[tex]P(n,r)=\frac{n!}{(n-r)!}[/tex]

Here, n=5 and r=2

So, P(5,2) = 5!/(5-2)!

= 5!/3!

= 120/6

= 20

Therefore, there are 20 different ways the students can be chosen for the positions of editor-in-chief and assistant editor-in-chief.

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if you roll two fair six-sided dice, what is the probability that the sum is 4 44 or higher?

Answers

444 would be the answer.

The probability of rolling two fair six-sided dice and getting a sum of 4 or higher is 11/12

To calculate the probability of rolling two fair six-sided dice and getting a sum of 4 or higher, we first need to calculate the total number of possible outcomes.

The number of possible outcomes when rolling two dice is 6 × 6 = 36, since each die has 6 possible outcomes.

Now, let's find the number of outcomes that result in a sum of 4 or higher. We can do this by listing all the possible outcomes:

Sum of 4: (1, 3), (2, 2), (3, 1) = 3 outcomes

Sum of 5: (1, 4), (2, 3), (3, 2), (4, 1) = 4 outcomes

Sum of 6: (1, 5), (2, 4), (3, 3), (4, 2), (5, 1) = 5 outcomes

Sum of 7: (1, 6), (2, 5), (3, 4), (4, 3), (5, 2), (6, 1) = 6 outcomes

Sum of 8: (2, 6), (3, 5), (4, 4), (5, 3), (6, 2) = 5 outcomes

Sum of 9: (3, 6), (4, 5), (5, 4), (6, 3) = 4 outcomes

Sum of 10: (4, 6), (5, 5), (6, 4) = 3 outcomes

Sum of 11: (5, 6), (6, 5) = 2 outcomes

Sum of 12: (6, 6) = 1 outcome

Therefore, the number of outcomes that result in a sum of 4 or higher is 3 + 4 + 5 + 6 + 5 + 4 + 3 + 2 + 1 = 33.

Therefore, the probability of rolling two fair six-sided dice and getting a sum of 4 or higher is 33/36 = 11/12.

To find the probability of getting a sum of 44 or higher, we need to subtract the probability of getting a sum of 43 or lower from 1:

Sum of 2: (1, 1) = 1 outcome

Sum of 3: (1, 2), (2, 1) = 2 outcomes

Sum of 4: (1, 3), (2, 2), (3, 1) = 3 outcomes

Sum of 5: (1, 4), (2, 3), (3, 2), (4, 1) = 4 outcomes

Sum of 6: (1, 5), (2, 4), (3, 3), (4, 2), (5, 1) = 5 outcomes

Sum of 7: (1, 6), (2, 5), (3, 4), (4, 3), (5, 2), (6, 1) = 6 outcomes

Sum of 8: (2, 6), (3, 5), (4, 4), (5, 3), (6, 2) = 5 outcomes

Sum of 9: (3, 6), (4, 5), (5, 4), (6, 3) = 4 outcomes

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Alan buys a bag of cookies that contains 5 chocolate chip cookies, 5 peanut butter cookies, 5 sugar cookies and 9 oatmeal cookies. What is the probability that Alan randomly selects a chocolate chip cookie from the bag, eats it, then randomly selects a peanut butter cookie? Express you answer as a reduced fraction

Answers

The probability of selecting a chocolate chip cookie on the first draw is 5/24, since there are 5 chocolate chip cookies in the bag out of a total of 24 cookies. After eating the chocolate chip cookie, there are 23 cookies left in the bag, including 5 peanut butter cookies. So the probability of selecting a peanut butter cookie on the second draw is 5/23.

To find the probability of both events happening, we multiply the probabilities:

P(select chocolate chip then peanut butter) = P(select chocolate chip) × P(select peanut butter after selecting chocolate chip)
= (5/24) × (5/23)

We can reduce this fraction by finding the greatest common factor of the numerator and denominator, which is 1 in this case:

P(select chocolate chip then peanut butter) = (5/24) × (5/23) = 25/1104

Therefore, the probability that Alan randomly selects a chocolate chip cookie from the bag, eats it, then randomly selects a peanut butter cookie is 25/1104.

Verónica jogged 10 3/16 miles in a one week, the next week she jogged 8 7/16 miles. how many more miles did she jog the first week? pls answer

Answers

Verónica jogged 7/4 or 1 and 3/4 more miles in the first week than in the second week.

Verónica jogged 10 3/16 miles in one week,  next week she jogged 8 7/16 miles. how many  miles did she jog the first week?

Verónica jogged 10 3/16 miles in the first week and 8 7/16 miles in the second week. To find how many more miles she jogged in the first week, we need to subtract the distance she jogged in the second week from the distance she jogged in the first week:

10 3/16 miles - 8 7/16 miles

We need to first convert both mixed numbers to improper fractions:

10 3/16 = (10 x 16 + 3) / 16 = 163 / 16

8 7/16 = (8 x 16 + 7) / 16 = 135 / 16

Now we can subtract the two fractions:

163 / 16 - 135 / 16 = (163 - 135) / 16 = 28 / 16

We can simplify the fraction by dividing both the numerator and the denominator by their greatest common factor (GCF), which is 4:

28 / 16 = (4 x 7) / (4 x 4) = 7 / 4

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You babysat your neighbor's children and they paid you $45 for 6 hours. Fill in the t-table for hours (x) and money (y)

Answers

you got $45 for 6hours.

one hour=$7.5

two hours=$15

three hours=$7.5*3

calculation=$45/6

QUESTION 4
This spinner is divided into eight equal-sized sections. Each section is labeled with a number.
Write the events below in the correct
order from least likely to most likely.

A) Arrow lands on a section labeled with an odd number.
B) Arrow lands on a section labeled
with the number 1.
C) Arrow lands on a section labeled
with a number less than 4.

Answers

Ranking of the events below in the correct order from least likely to most likely are:

Event B

Event A

Event C

What is the probability of Occurrence?

The probability of an event is defined as a number that describes the chance that the event will eventually happen. An event that is sure to happen has a probability of 1. An event that can never possibly happen has a probability of zero. Finally, If there is a chance that an event will happen, then it will have a probability that is between zero and 1.

i) Arrow lands on a section labeled with an odd number: The odd numbers here are 1 and 3.

There are a total of four 1's, and two 3's. This tells us that there are 6 odd numbers on the spinner.

There are 8 numbers in total on the spinner. Thus, 6 out of the 8 numbers are seen as odd numbers. Therefore, the probability that the arrow lands on an odd number would be:

P(odd number) = 6/8 =  75%

ii) Arrow lands on a section labeled with the number 1: There are four 1's on the spinner, and there are seen to be 8 numbers in total on the spinner. Thus, the probability of the arrow landing on a 1 is:

P(Number 1) = 4/8 = 50%.

iii) Arrow lands on a section labeled with a number less than 4:

The numbers that are less than 4 are 3, 2, and 1.

There are two 3's.

There is one 2.

There are four 1's.

2 + 1 + 4 = 7.

The probability of the arrow landing on a number less than 4 is 7/8, which is 88.5%.

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ALGEBRA
Farha Gadhia has applied for a $100,000 mortgage loan
at an annual interest rate of 6%. The loan is for a period of 30 years
and will be paid in equal monthly payments that include interest.
Use the monthly payment formula to find the payment.

Answers

The monthly payment formula for a mortgage loan is:

M = P * (r/12) * (1 + r/12)^n / ((1 + r/12)^n - 1)

where:
M is the monthly payment
P is the principal amount (the amount of the loan)
r is the annual interest rate (as a decimal)
n is the total number of payments (number of years multiplied by 12)

In this case, we have:

P = $100,000
r = 0.06 (6% expressed as a decimal)
n = 30 years * 12 months/year = 360

Substituting these values into the formula, we get:

M = 100000 * (0.06/12) * (1 + 0.06/12)^360 / ((1 + 0.06/12)^360 - 1)

Simplifying this expression, we get:

M = $599.55 (rounded to the nearest cent)

Therefore, Farha's monthly mortgage payment will be $599.55, which includes both principal and interest.

Prepare the operating activities section of the statement of cash flows for peach computer using the indirect method. (list cash outflows and any decrease in cash as negative amounts.)

Answers

Cash outflows and decreases in cash are reported as negative amounts in the operating activities section of the statement of cash flows for Peach Computer using the indirect method.

How to prepare the operating activities section of the statement of cash flows for Peach Computer using the indirect method?

The operating activities section of the statement of cash flows for Peach Computer using the indirect method would include the following cash inflows and outflows:

Cash inflows:

Sales revenue from the sale of computersCash received from customers for computer repairs and servicesInterest received on loans or investments

Cash outflows:

Payments to suppliers for inventory purchasesPayments to employees for salaries and wagesPayments for operating expenses such as rent, utilities, and advertisingPayments of income taxesPayments of interest on loansPayments to creditors for accounts payable

Any decrease in cash would be represented as negative amounts in this section.

It's important to note that the specific amounts and details would vary based on Peach Computer's individual financial transactions and operations. The operating activities section provides a summary of the cash inflows and outflows directly related to the company's core business operations during the specified period.

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Garden plots in the Portland Community Garden are rectangles
limited to 45 square meters. Christopher and his friends want a plot
that has a width of 7.5 meters. What length will give a plot that has
the maximum area allowed?

Answers

The length should be less than or equal to 6 meters in order to have a plot with the maximum area allowed (45 square meters) when the width is 7.5 meters.

To find the length that will give a plot with the maximum area allowed, we can use the formula for the area of a rectangle:

Area = Length × Width

The width is given as 7.5 meters, and the area should not exceed 45 square meters.

Let's denote the length as L.

We want to maximize the area, so we need to find the value of L that satisfies the condition Area ≤ 45 and gives the largest possible area.

Substituting the given values into the area formula, we have:

Area = L × 7.5

Since the area should not exceed 45 square meters, we can write the inequality:

L × 7.5 ≤ 45

To find the maximum value of L, we can divide both sides of the inequality by 7.5:

L ≤ 45 / 7.5

Simplifying the right side:

L ≤ 6

Therefore, the length should be less than or equal to 6 meters in order to have a plot with the maximum area allowed (45 square meters) when the width is 7.5 meters.

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Triangle XYZ has coordinates X(-2,2), Y(-3,-4). And Z(1,-2). The triangle is reflected across the x-axis. What are the coordinates of triangle X'Y'Z'?

Answers

The coordinates of triangle X'Y'Z' is X'(-2,-2), Y'(-3,4), Z'(1,2).

What are the coordinates of the triangle?

The triangle's vertices have the coordinates (x1,y1), (x2,y2), and (x3,y3). The line that connects the first two is split in the ratio l:k, and the line that runs from the division point to the opposing angular point is divided in the ratio m:k+l.

Here, we have

Given: Triangle XYZ has coordinates X(-2,2), Y(-3,-4). And Z(1,-2).

The triangle is reflected across the x-axis and we have to find the coordinates of triangle X'Y'Z'.

X(-2,2), Y(-3,-4) and Z(1,-2).

While reflecting any points across the x-axis with coordinates as (x, y) becomes, (x, -y). i.e. sign of y-coordinate changes.

The rule is (x, y) → (x, -y)

After applying the rule, we get

X(-2,2) ⇒ X'(-2,-2)

Y(-3,-4) ⇒ Y'(-3,4)

Z(1,-2) ⇒ Z'(1,2)

Hence, the coordinates of triangle X'Y'Z' is X'(-2,-2), Y'(-3,4), Z'(1,2).

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answer questions 2-20 please 1 and 5-7 are already answered no need to correct them does not need to be correct but please have relistic answers : )

Answers

The Pythagorean Theorem with regards to the relationships between the lengths of the sides of a right triangle indicates that we get;

2. x = 51

3. x = 50

4. x = 82

8. x = 2·√(77)

9. x = √(39)

10. x = 2·√(19)

11. x = 2·√(154)

12. x = 3·√3

13. x = 6·√(13)

16. A right triangle

17. A right triangle

18. The triangle is not a right triangle

19. An obtuse triangle

20. An obtuse triangle

What is the Pythagorean Theorem?

The Pythagorean Theorem states that the square of the length of the hypotenuse side of a right triangle is equivalent to the sum of the squares of the lengths of the other two sides.  

2. x² = 45² + 24² = 2601

x = √(2601) = 51

3. x² = 30² + 40² = 2500

x = √(2500) = 50

x = 50

4. x² = 80² + 18² = 6724

x = √(6724) = 82

x = 82

8. According to the Pythagorean Theorem, in the right triangle we get;

x² = 18² - 4² = 308

x = 2·√(77)

9. x² = 8² - 5² = 39

x = √(39)

10. x² = 20² - 18²

x² = 76

x = √(76) = 2·√(19)

x = 2·√(19)

11. x² = 25² - 3² = 616

x = √(616) = 2·√(154)

x = 2·√(154)

12. x² = 6² - 3² = 27

x = √(27)

x = 3·√3

13. x² = 22² - 4² = 468

x = √(468) = 6·√(13)

x = 6·√(13)

16. A triangle is a right triangle if the square of the side that is the longest is equivalent to the square of the other two sides, therefore;

17² = 289

15² + 8² = 289

Therefore, the triangle is a right triangle

17. 45² = 2025

27² + 36² = 2025

Therefore, the triangle is a right triangle

18. 11² = 121

9² + 4² = 97

Therefore, the triangle is not a right triangle

19. 6² = 36

4² + 3² = 25

The square of the side that is longest is larger than the sum of the squares of the other two sides, which indicates that the angle facing the longest side is lar1ger than 90°, and the triangle is an obtuse triangle.

20. 16² = 256

9² + 11² = 202

16² > 9² + 11²; Therefore, the triangle is an obtuse triangle

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The triangle above has the following measures.
a=9cm
b=9√3cm
Use the 30-60-90 Thangle Theorem to find the
length of the hypotenuse Include correct units
Show all your work

Answers

Answer:

Step-by-step explanation:

The length of the hypotenuse is approximately 4.95 cm.

We have,

Since triangle ABC is a 45-45-90 triangle, we know that the measure of angle B is also 45 degrees.

Therefore, we can use the 45-45-90 Triangle Theorem, which states that in a 45-45-90 triangle,

the length of the hypotenuse is √2 times the length of either leg.

In this case,

We know that leg a = 3.5 cm, so we can find the length of the hypotenuse c using the formula:

c = a√2

Substituting the value of a, we get:

c = 3.5√2 ≈ 4.95 cm

Therefore,

The length of the hypotenuse is approximately 4.95 cm.

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complete question:

The triangle above has the following measures. mzC = 45° a = 3.5 cm Use the 45-45-90 Triangle Theorem to find the length of the hypotenuse. Include correct units. Show all your work.​

Three years agoJerry purchased a condo This year his monthly maintenance fee is \$1,397 Twenty percent of this fee is for Jerry's property taxes. How much will Jerry pay this year in property taxes ?

Answers

Jerry pays $279.40 this year in property taxes.

To calculate Jerry's property taxes for the year, we need to first decide how many of his month-to-month maintenance fee is going toward property taxes.

The problem states that 20% of the price is for Jerry's assets taxes, which means we will calculate the amount of his belongings taxes with the aid of finding 20% of his monthly charge.

To do this, we multiply the price through 0.20 such as this:

20% of $1,397 = 0.20 x $1,397 = $279.40

Therefore, Jerry pays $279.40 this year in property taxes.

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On a baseball diamond, home plate and second base lie on the perpendicular bisector of the line segment that joins first and third base. First base is 90 feet from home plate. How far is it from third base to home plate? Sketch a baseball diamond on a separate sheet of paper, labeling home plate as point A
, first base as B
, second base as C
, and third base as D. Label the intersection of AC⎯⎯⎯⎯⎯
and BD⎯⎯⎯⎯⎯
as E. Using the Perpendicular Bisector Theorem, determine how far it is from third base to home plate. Describe your conclusion in the context of the situation

Answers

Using the Perpendicular Bisector Theorem, the distance from third base to home plate is 90 feet. This means that all the bases are equidistant from home plate, which is a fundamental property of a baseball diamond.

To find the distance from third base to home plate, we need to use the Perpendicular Bisector Theorem, which states that if a point lies on the perpendicular bisector of a segment, then it is equidistant from the endpoints of the segment.

First, we draw a baseball diamond with points A, B, C, and D labeled as described in the problem.

Next, we draw the line segment that joins first base (B) and third base (D), and we construct the perpendicular bisector of this segment by drawing a line through the midpoint of BD and perpendicular to BD. Let's label the point where the perpendicular bisector intersects the line that connects home plate (A) and second base (C) as E.

Since E lies on the perpendicular bisector of BD, it is equidistant from B and D. We know that first base (B) is 90 feet from home plate (A), so the distance from home plate to E must also be 90 feet. Therefore, the distance from third base (D) to home plate (A) is also 90 feet.

In conclusion, using the Perpendicular Bisector Theorem, we determined that the distance from third base to home plate is 90 feet.

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