PLEASE HELP ILL GIVE BRAINLIEST

Answer:

the answer is y=6x-6

Step-by-step explanation:

hope this helps

Answer: y = 6x-6

Step-by-step explanation:

Answer:

Yes, the length of the intercepted arc will have the same measurement. When a central angle intercepts an arc of a circle, the measure of the angle is equal to the measure of the intercepted arc. In this case, both angles ABC and DEF are right angles, which means that they each intercept half of the circle. Therefore, the length of the intercepted arcs will be the same.

When you put together 8 copies of the unit fraction 1/2, you are essentially adding 1/2 + 1/2 + 1/2 + 1/2 + 1/2 + 1/2 + 1/2 + 1/2.

To add fractions, you need to make sure the denominators are the same. In this case, all the fractions already have the same denominator of 2.

So, we can add the numerators together:

1/2 + 1/2 + 1/2 + 1/2 + 1/2 + 1/2 + 1/2 + 1/2 = 8/2

Now, we can simplify this fraction by dividing both the numerator and denominator by their greatest common factor, which is 2:

8/2 = 4

Therefore, putting together 8 copies of the unit fraction 1/2 gives us a fraction of 4/1, or simply 4.

As a result, the percentage decrease in her new monthly payment is 18.1%. (to the nearest tenth).

To begin, we must determine the original loan amount. Using the information provided, we can construct the following equation:

$55,000 = P(1 + 0.10)^4

P denotes the original loan amount.

When we solve for P, we get:

P = $38,574.09

The old monthly payment is calculated as follows:

$38,574.09 / 1000 x $9.66 = $372.64

We must now compute the new loan amount. Because Sally renewed her mortgage at a 12% interest rate, we can apply the same formula as before, but with a new time period of 16 years (since 4 years have already passed):

Now, we need to calculate the new loan amount. Since Sally renewed the mortgage at a 12% interest rate, we can use the same formula as before, but with a new time period of 16 years (since 4 years have already passed):

$55,000 = P(1 + 0.12)^16

Solving for P, we get:

P = $27,703.25

The new monthly payment can be calculated as:

$27,703.25 / 1000 x $11.02 = $305.23

To find the percent increase, we can use the following formula:

percent increase = ((new value - old value) / old value) x 100

Plugging in the values, we get:

percent increase = (($305.23 - $372.64) / $372.64) x 100 = -18.1%

So the percent of decrease in her new monthly payment is 18.1% (to the nearest tenth).

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The value of π can be found by dividing the circumference of a circle by twice its radius . [tex]\pi =c/2r[/tex]

Starting with the equation: the circumference of circle is

C = 2πr

We can isolate π on one side of the equation by dividing both sides by 2r:

C / (2r) = π

So the solution for π is:

π = C / (2r)

The circumference of a circle is the distance around its outer edge. It is calculated by multiplying the diameter of the circle by pi (π), which is a mathematical constant that represents the ratio of the circumference of a circle to its diameter. Therefore, the formula for the circumference of a circle is C = πd, where C is the circumference, d is the diameter, and π is approximately equal to 3.14. The circumference is an important measurement in geometry and is used to calculate the perimeter of circles.

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Answer: The missing side e is approximately 21.1 units long. So, the correct answer is E. None of the above

Answer:

d

Step-by-step explanation:

12 - 9.5 = 2.5

Step-by-step explanation:

This is the equation for a AREA greater than or equal to a line

2x-10 >= 5y

y <= 2/5 x -2      there are infinite answers

Answer:

x=[tex]\frac{5b-a}{3-b}[/tex]

Step-by-step explanation:

3x+a=b(x+5)

3x+a=bx+5b

3x-bx=5b-a

x(3-b)=5b-a

x=[tex]\frac{5b-a}{3-b}[/tex]

The probability in question is a right-tail probability because it is asking for the probability that the mean bond percent for the sample will be at least 28 percent, which is greater than the mean of 26.9 percent.

To calculate the probability, first find the z-score:
z = (sample mean - population mean) / (population standard deviation / sqrt(sample size))
z =[tex] (28 - 26.9) / (3.6 / sqrt(35))[/tex]
z = [tex] 1.1 / (3.6 / 5.916)[/tex]
z =[tex]  1.1 / 0.608[/tex]
z ≈ [tex] 1.809[/tex]

Using the z-table, the area to the left of this z-score is 0.965. Since we are looking for the right-tail probability, we need to subtract this value from 1:
Probability = 1 - 0.965
Probability ≈ 0.035

Thus, the probability that the mean bond percent for the sample will be at least 28 percent is approximately 0.035. The correct answers are right-tail probability and 0.035.

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The median of the given numbers is 2.5.

its formula and examples are explained. In Mathematics, the median is defined as the middle value of a sorted list of numbers. The middle number is found by ordering the numbers. The numbers are ordered in ascending order. Once the numbers are ordered, the middle number is called the median of the given data set.

Given, Number of states visited by the students in Luther's class are:

Luther - 2 states

Amelia - 5 states

Oliver - 2 states

Katie - 3 states

Emilio - 1 state

Joe - 0 states

Dustin - 0 states

Arranging these numbers in ascending order, we get:

0, 0, 1, 2, 2, 3, 5

The median is the middle number when the numbers are arranged in order.

As there are an odd number of numbers, there is only one number that is exactly in the middle, which is 2.

Therefore, the median of the given numbers is 2.5.

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The absolute value equation that has the solution set with digits -18, 0, and X on a number line is :

|X| = X if X ≥ 0

|X| = -X if X < 0

An equation is a mathematical statement that shows the equality of two expressions. It typically includes one or more variables (represented by letters) and may also include constants, coefficients, and mathematical operations such as addition, subtraction, multiplication, division, and exponentiation.

If the solution set for the absolute value equation has digits -18, 0, and X on a number line, then the equation must have two separate cases: one where X is positive and one where X is negative. We can write the absolute value equation as:

|X| = X for X ≥ 0

|X| = -X for X < 0

To include the values -18 and 0 in the solution set, we need to check each case separately:

|X| = X if X is greater than 0 or zero. The equation X = a must therefore be resolved, where an is either -18 or 0. As X 0 is satisfied by only one value in the solution set, the case's solution is X = 0.

Example 2: X < 0

When X is negative, |X| equals -X. So, we must find a, where an is either -18 or 0, to solve the equation -X = a. This case's solution is X = 18, as it is the only value in the solution set that satisfies the condition X 0.

As a result, the absolute value equation whose answer is represented by the numbers -18, 0 and X on a number line is:

|X| = X if X ≥ 0

|X| = -X if X < 0

or

|X| = 0 if X = 0

|X| = 18 if X < 0

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To find the equation of a line parallel to y = x - 5 that goes through (7,0), we need to use the fact that parallel lines have the same slope.

The slope of the line y = x - 5 is 1, since the coefficient of x is 1. Therefore, the slope of the parallel line we want to find is also 1.

Using the point-slope form of a line, we can write the equation of the parallel line as:

y - y1 = m(x - x1)

where (x1, y1) is the point (7,0) and m is the slope of the line, which we know is 1.

Plugging in the values, we get:

y - 0 = 1(x - 7)

Simplifying, we get:

y = x - 7

Therefore, the equation of the line parallel to y = x - 5 that goes through (7,0) is y = x - 7.

Answer:

y = x - 7

Step-by-step explanation:

the equation of a line in slope- intercept form is

y = mx + c ( m is the slope and c the y- intercept )

y = x - 5 ← is in slope- intercept form

with slope m = 1

• Parallel lines have equal slopes , then

y = x + c ← is the partial equation

to find c substitute (7, 0 ) into the partial equation

0 = 7 + c ( subtract 7 from both sides )

- 7 = c

y = x - 7 ← equation of parallel line

Based on the lengths of the sides, we can see that the triangle is scalene. Based on the slopes of the sides, we can see that the triangle is acute since all the slopes are negative or less than 1.

A triangle is a three-sided polygon with three vertices. The triangle's internal angle, which is 180 degrees, is constructed.

To find the desired slopes and lengths of the triangle formed by the points M(-7, 8), N(-1, 9), and O(0, 3), we can use the distance formula and the slope formula.

Distance formula:

The distance between two points (x₁, y₁) and (x₂, y₂) is given by:

d = √((x₂ - x₁)² + (y₂ - y₁)²)

Using this formula, we can find the lengths of the sides of the triangle:

Length of MO:

d(MO) = √((0 - (-7))² + (3 - 8)²) = √(7² + 5²) = √(74)

Length of NO:

d(NO) = √((-1 - (-7))² + (9 - 8)²) = √(6² + 1²) = √(37)

Length of MN:

d(MN) = √((-1 - (-7))² + (9 - 8)²) = √(6² + 1²) = √(37)

Slope formula:

The slope of a line passing through two points (x₁, y₁) and (x₂, y₂) is given by:

m = (y₂ - y₁) / (x₂ - x₁)

Using this formula, we can find the slopes of the sides of the triangle:

Slope of MO:

m(MO) = (3 - 8) / (0 - (-7)) = -5/7

Slope of NO:

m(NO) = (9 - 8) / (-1 - (-7)) = 1/6

Slope of MN:

m(MN) = (9 - 8) / (-1 - (-7)) = 1/6

Characterization of the triangle:

Based on the lengths of the sides, we can see that the triangle is scalene (no two sides have the same length). Based on the slopes of the sides, we can see that the triangle is acute (all angles are less than 90 degrees) since all the slopes are negative or less than 1. Additionally, we can see that the side MO is the longest side of the triangle, and since the slope of MO is negative, we can conclude that the angle opposite side MO is the largest angle in the triangle.

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Simon needs approximately 48.6 gallons of gas for his trip from Orlando, FL to Sacramento, CA.

To calculate the number of gallons of gas Simon needs for his trip, you can use the following formula:

Gallons = Miles / Miles per gallon

First, convert the distance of 2,804 miles to miles per gallon by dividing by the car's average mileage per 2

gallons:2,804 / 48.6 = 57.75 mpg

Then, use this value to calculate the number of gallons of gas Simon needs for his trip:

Gallons = Miles / Miles per gallon

Gallons = 2,804 / 57.75

Gallons ≈ 48.6 gallons

Therefore, Simon needs approximately 48.6 gallons of gas for his trip from Orlando, FL to Sacramento, CA.

The answer should be rounded to the nearest tenth, so the final answer is 48.6 gallons.

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Answer:

Base length=22

width=30

height=15

volume of pyramid= Lxwxh/3

=22x 30x 15/3 =3300in^3.

If Clare streams a classical music station while doing chores, then probability that next piece will be a concerto is 2/11.

In order to calculate the probability that the next-piece Clare listens to will be a concerto, we count the number of concertos in the list of pieces she has already listened to and divide by the total number of pieces.

From the given list,

The total number of pieces of music = 11;

The number of concerto is = 2;

So, probability that next piece Clare listens to will be a concerto is:

⇒ P(concerto) = (number of concertos)/(total number of pieces);

⇒ 2/11

Therefore, the required probability is 2/11.

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The given question is incomplete, the complete question is

Clare streams a classical music station while she's doing chores on the weekends. here are the types of musical pieces she has listened to so far this weekend :

{overture, symphony, sonata, concerto, symphony, sonata, overture, symphony, opera, sonata, concerto}

Based on the data, What is the probability that the next piece Clare listens to will be a concerto?

Using equations,

8. The original dimensions of the rectangle are:

Length = 6m and Width = 2m.

9. The meter contains the following:

Value of nickels = 0.63

Value of dime = 2.26

Value of quarters = 0.21

10. Volume of the sphere is V. So, the value of r will be:

r = ∛ (3v/4π)

11. Solving for the linear equation we can get the value of m = -1

A mathematical statement that has two expressions with equal values separated by the symbol "equal to" is called an equation.

In the question,

1. Let the length of the rectangle be = x.

Let the width of the rectangle be = w.

Given,

l = 3w

When the width is increased by 4 meters, (w + 4) meters is the width now.

Then, the rectangle becomes a square.

That means length and width are equal.

l = w+4

Using l from the 1st equation,

3w = w + 4

Subtracting w from both sides,

⇒ 3w - w = 4

⇒ 2w = 4

Diving both sides by 2,

⇒ w = 2 meters.

We know, l = 3w

l = 3 × 2

l = 6 meters.

2. Here,

Let nickels be n.

Let dimes be d.

Let quarters be q.

Given,

Triple the number of quarters as nickels, so:

3q = n

Solving this for q,

q = n/3

Dimes is one than double the times of nickels, so:

d = 2n + 1

Total value of coins = $3.10

So, n + d + q = 3.10

Substituting the value of q and d,

⇒ n + 2n + 1 + n/3 = 3.10

⇒ 3n + n/3 = 3.10 - 1

⇒ (9n+n)/3 = 2.10

⇒ 10n = 6.3

⇒ n =0.63.

We can now find,

d = 2n + 1

= 2 × 0.63 + 1

= 1.26 + 1

= 2.26

q = n/3

= 0.63/3

= 0.21

3. Given,

Volume of sphere,

V = 4/3 × π × r³

Solving for r,

Multiply 3/4 on both sides,

⇒ 3v/4 = π r³

Divide both sides by π,

⇒ 3v/4π = r³

Now, taking cube root on both sides we get,

r = ∛ (3v/4π)

4. Now given a linear equation,

[tex]y=-2x^{m+2}[/tex]

As the equation is a linear equation,

The value of (x, y) we can take as (0,0)

So, 1 = m +2

⇒ m = -1

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Answer:

Step-by-step explanation:

[tex]-\frac{8}{35}[/tex]

Bianca practiced 28 hours a day whereas Filipe practiced 12 fewer hours than Bianca, if Filipe practiced for 16 hours

below are the situations and the operations used

Rising =  +

difference = -

to find the part of the grand total= ÷

Sharing  or Grouping = *

Since "Filipe trained 12 hours less than Bianca" and "Filipe trained 16 hours", we can use rising(+) to find the amount of time Bianca trained.

it is calculated by using the following formula

Bianca's training time = Filipe's training time + 12

Bianca practice hours = 16 + 12

Bianca Practice Hours = 28

So Bianca practiced 28 hours a day.

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we use the definition of supplementary angles again to conclude that ∠3 and ∠5 are supplementary.

To prove that ∠3 and ∠5 are supplementary, we can use the following steps:

Given: w ∥ x and y is a transversal.

∠1 ≅ ∠5 by the corresponding angles postulate.

By definition, ∠3 and ∠1 are a linear pair, so they are supplementary.

Therefore, m∠3 + m∠1 = 180 by the definition of supplementary angles.

Substituting m∠5 for m∠1, we get m∠3 + m∠5 = 180.

Therefore, by the definition of supplementary angles, ∠3 and ∠5 are supplementary.

In step 1, we use the corresponding angles postulate, which states that when two parallel lines are cut by a transversal, the pairs of corresponding angles are congruent. In step 2, we use the definition of a linear pair, which states that when two angles form a line, they are supplementary. In step 3, we use the definition of supplementary angles, which states that the sum of two supplementary angles is 180 degrees. In step 4, we substitute m∠5 for m∠1, since we know that ∠1 ≅ ∠5. Finally, in step 5, we use the definition of supplementary angles again to conclude that ∠3 and ∠5 are supplementary.

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Answer:

The vertex of the quadratic function f(x) = -2x^2 + 8x is (2, 8).

Step-by-step explanation:

To find the vertex of the quadratic function f(x) = -2x^2 + 8x, we first need to find the x-coordinate of the vertex using the formula:

x = -b / 2a

where a = -2 and b = 8. Substituting these values, we get:

x = -8 / 2(-2) = 2

Now, to find the y-coordinate of the vertex, we can substitute this value of x back into the equation: f(2) = -2(2)^2 + 8(2) = 8

Answer:

Step-by-step explanation:

mass=density* volume

78.12

The statement which is "The binomial distribution table, the number of trials must be greater than 30." is the not correct statement related to the binomial and Poisson distributions. Hence option a is the right choice.

a. "When using the binomial distribution table, the number of trials must be greater than 30"This is an incorrect statement.

There is no such rule stating that the number of trials must be greater than 30 for the binomial distribution.

b. "The Poisson distribution represents the random arrival of events per unit of time or space" This is the correct statement.

The Poisson distribution is used to model the number of events occurring in a fixed interval of time or space, given a constant average rate of occurrence.

c. "Only two outcomes are possible in a binomial situation" This is correct statement.

A binomial distribution represents the number of successes in a fixed number of trials, each with only two possible outcomes (success or failure).

d. To use the Poisson distribution tables, mu must be known or be able to be calculated: This is correct.

In order to use the Poisson distribution tables, the mean number of events (represented by the symbol µ) must be known or calculable.

So, option a is right choice.

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Question :-

Which of the following is not a correct statement about the binomial and Poisson distributions?

a. When using the binomial distribution table, the number of trials must be greater than 30.

b. The Poisson distribution represents the random arrival of events per unit of time or space.

c. Only two outcomes are possible in a binomial situation.

d. To use the Poisson distribution tables, Mu must be known or be able to be calculated

The missing length is 8m which is option A.

To find the missing length, we need to use the formula for the area of a rectangle:

area = length x width

We are given the area as 114 m² and the width as 15 m. Let's substitute these values into the formula:

114 = length x 15

Solving for length, we get:

length = 114/15

length = 7.6

Therefore, the missing length is approximately 7.6 m.

However, none of the given answer choices match this value exactly. The closest answer is A. 8 m, which is off by only 0.4 m. Therefore, A. 8 m is the best answer choice.

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Answer:

you need an equally

Step-by-step explanation:

the correct answer is: Wide Awake, with a median value of 4.5 gallons. Thus, option A is correct.

Based on the data given, the correct measure of center to determine which shop typically sells the most amount of coffee per hour would be the median.

Calculating the medians for both coffee shops:

For Coffee Ground:

[tex]1.5, 12, 11, 9.5[/tex] (sorted data)

Median [tex]= (11 + 12)/2 = 11.5[/tex]

For Wide Awake:

[tex]2.5, 18, 3, 6[/tex] (sorted data)

Median [tex]= (3 + 6)/2 = 4.5[/tex]

Comparing the medians, we can see that Wide Awake has a median value of 4.5 gallons, which is higher than the median value of 11.5 gallons for Coffee Ground.

Therefore, the correct answer is: Wide Awake, with a median value of [tex]4.5[/tex] gallons.

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Answer: Coffee Ground typically sells more coffee per hour than Wide Awake.

Step-by-step explanation:

Given that:

Coffee ground :

Hour 1: 1.5

Hour 2: 20

Hour 3: 3.5

Hour 4: 12

Hour 5: 2

Hour 6: 5

Hour 7: 11

Hour 8: 7

Hour 9: 2.5
We add up all of these numbers and divide by the total number of hours to find the mean:

(1.5 + 20 + 3.5 + 12 + 2 + 5 + 11 + 7 + 2.5) / 9 = 7.222

therefore mean is 7.2

Median:

Arranging them in Ascending or descending order, we get:

1.5,2,2.5,3.5,5,7,11,12,20

As we know, The median of discrete data is :

((n+1)/2)th element if the number of elements is odd

Average of (n/2) th and ((n+1)/2)th element if the number of elements is even. the value

Here the number of elements is odd, so the median is:

((n+1)/2)th =(9+1)/2 = 5th element

i.e., the median is 5.

Wide Awake:

Given that:

Hour 1: 2.5

Hour 2: 10

Hour 3: 4

Hour 4: 18

Hour 5: 4

Hour 6: 3

Hour 7: 6.5

Hour 8: 5

Hour 9: 15

We add up all of these numbers and divide by the total number of hours to find the mean:

(2.5 + 10 + 4 + 18 + 4 + 3 + 6.5 + 5 + 15) / 9 = 7.056

therefore mean is 7.1

Median:

Arranging them in Ascending or descending order, we get:

3,6.5,5,4,4,2.5,10,18,15

Here the number of elements is odd, so the median is:

((n+1)/2)th =(9+1)/2 = 5th element

i.e., the median is 4.

As we can observe, the mean and median of coffee ground is high.

So we can conclude that the Coffee Ground shop has sold more coffee.

The area of the shape made of two rectangles is 85 square cm.

To find the area of the shape made of two rectangles with dimensions 9cm, 5cm, 8cm, and 5cm, follow these.

As per the given information,
Rectangle 1 has dimensions 9cm and 5cm.
Rectangle 2 has dimensions 8cm and 5cm.
For calculating the area of each rectangle using the formula:

Area = length × width
[tex]{Area\: of\: Rectangle} _1[/tex] = 9cm × 5cm = 45 square cm
[tex]{Area of Rectangle}_ 2[/tex] = 8cm × 5cm = 40 square cm
Add the areas of both rectangles to find the total area of the shape.
Total Area = [tex]{Area\: of\: Rectangle} _1[/tex] + [tex]{Area\: of\: Rectangle} _2[/tex]
Total Area = 45 square cm + 40 square cm

Total Area = 85 square cm.

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Question: The shape below is made of two rectangles joined together. 5 cm 9 cm 8 cm 5 cm Find the total area of the shape.

If the expected counts are less than 5, then the chi-square test cannot be performed.

To perform the appropriate chi-square test using the data from this study, the following conditions must be satisfied:

i. The population distribution is approximately normal.

ii. The treatments were randomly assigned.

iii. The expected counts are all at least 5.

The chi-square test is a statistical method that examines whether observed data matches with the expected data.

The chi-square test is used to compare the categorical data between two or more groups. It is a non-parametric test of the statistical hypothesis.

In order to perform the appropriate chi-square test using the data from this study, the following conditions must be satisfied:

1. The population distribution is approximately normal: This means that the population data should be distributed normally. The normal distribution should be checked using a normal probability plot, which shows the data points relative to the standard normal distribution curve.

If the data is not normally distributed, then the chi-square test cannot be performed.

2. The treatments were randomly assigned: The treatments should be randomly assigned to the study participants in order to ensure that the results are not biased.

If the treatments are not randomly assigned, then the chi-square test cannot be performed.

3. The expected counts are all at least

4: The expected counts for each category should be at least

5. This means that there should be a sufficient number of observations in each category. If the expected counts are less than 5, then the chi-square test cannot be performed.

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The probability of the outcome being a red counter, or a blue counter is equal, therefore Trevor is wrong.

We know that Trevor has a bag of counters with 26 red counters and 26 blue counters and that he has already randomly picked one red counter 5 times but he places them back in the bag again and mixes them, but he thinks that the next counter he picks has a greater probability of being blue than red.

Trevor is wrong as we know that the likelihood of an occurrence is denoted by a numerical value known as probability. This value falls between 0 and 1 or can be represented as a percentage between 0% and 100%. The higher the probability of an event, the greater the chances of its occurrence. An impossible event has a probability of 0, while a certain event has a probability of 1.

To calculate probability, divide the number of ways the event can occur by the total number of outcomes.

Here the probability of the outcome being a red counter or a blue counter is equal, therefore Trevor is wrong.

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