2x + 8y = 6
5x + 20y = 15

Well, CEOs are on the top of the food chain. It takes a lot of work and ambition to become one, and once they are one, CEOs accept a huge amount of responsibility - that means having to take blame if things go wrong and having more tasks to complete such as having to attend numerous meetings, make decisions. They are also on the board of directors.

Assistants do not have to do as much, they likely won't have that much responsibility or experience, their tasks revolve around ensuring meetings are scheduled and performing other ad-hoc duties.

(Not Mine)

A triangular prism whose length is l units, and whose right triangular cross section has base b units and height h units, the volume(V) of the triangular prism 31.5 cubic inches.

Since this figure represents the triangular Prism, it is given in the figure:

Length of triangular prism is 4.5 in.

In the right triangular cross-section,

Base (b) = 2 in and the height (h) = 7 in.

Volume of triangular prism formula: - A triangular prism whose length is l units, and whose right triangular cross section has base b units and height h units, then:

Volume(V) of the right triangular prism is given by V = 1/2xbhl cubic unit

Using the above values; solve for V;

V = Axl, where A is the area of right triangle, or we can write it as:

V = 1/2bhl

⇒ V = 1/2 x 2 x 7 x 4.5 cubic inches.

On simplifying we get, V = 31.5 inches³

Hence, the volume of the triangular Prism is, 31.5 cubic inches.

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Answer:

Step-by-step explanation:

Opposite angles of a parallelogram are congruent.

Adjacent angles equal 180°.

If one angle is 36 ° more than the other than they are supplementary or equal to 180°.

x + x + 36 = 180

2x + 36 = 180

2x + 36 - 36 = 180 -36

2x = 144

2x/2 = 144/2

x = 72

2 angles = 72°

2 angles = 108°

All the angles = 360°.

72 × 2 = 144

108 x 2 = 216

144 + 216 = 360°

So this is correct.

Khalil's cat weighed 8 1/2 pounds more than Sophia's cat.

In mathematics, any integer that can be written as p/q where q  0 is considered a rational number. Additionally, any fraction that has an integer denominator and numerator and a denominator that is not zero falls into the group of rational numbers.

To find out how much more Khalil's cat weighed than Sophia's cat, we need to subtract the weight of Sophia's cat from the weight of Khalil's cat.

Khalil's cat weighed 18 5/6 pounds.

Sophia's cat weighed 10 1/3 pounds.

Subtracting the weights:

18 5/6 - 10 1/3

To subtract mixed numbers, we need to find a common denominator. In this case, the least common multiple of 6 and 3 is 6. So, we can convert the fractions to have a denominator of 6:

18 5/6 - 10 1/3 = 18 5/6 - 10 2/6

Now, we can subtract the whole numbers and the fractions separately:

18 - 10 = 8

5/6 - 2/6 = 3/6

Putting it back together:

8 3/6

We can simplify the fraction by dividing both numerator and denominator by their greatest common divisor, which is 3 in this case:

8 3/6 = 8 1/2

So, Khalil's cat weighed 8 1/2 pounds more than Sophia's cat.

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Since C=3x+4y and we want to maximize C, we need x and y to be as big as possible.

There are restrictions for x and y, namely that x ranges from 2 to 5 and y from 1 to 6. Subjected to these restrictions we set x to 5 and y to 6 because they are the max values for x and y.

Then C=3(5)+4(6)=39.

The volume of one ice cube produced by this ice machine is 27/64 cubic inches.

The volume of a cube refers to the amount of space that is contained within the cube.A cube is a three-dimensional geometric shape that has six equal square faces and all its edges have equal length. The volume of a cube can be found by multiplying the length of its sides together, using the formula:Volume of cube = (length of side)³

The volume of a cube is given by the formula V = S³ where s is the length of one side of the cube.

In this case, the length of one side of the ice cube is 3/4 inch. Therefore, the volume of one ice cube is:

V = (3/4)³ = 27/64 cubic inches.

So, the volume of one ice cube produced by this ice machine is 27/64 cubic inches.

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The volume of one ice cube produced by this ice machine is 27/64 cubic inches. The correct option is D. 27/64.

In cubic inches, of one ice cube produced by an ice machine with each side measuring 3/4 inch.

Volume’ is a mathematical quantity that shows the amount of three-dimensional space occupied by an object or a

closed surface. The unit of volume is in cubic units such as m3, cm3, in3 etc. Volume is also termed as capacity,

sometimes.

To find the volume, use the formula for the volume of a cube:

[tex]V = side^3.[/tex]

Determine the side length, which is given as 3/4 inches.

Apply the formula for the volume of a cube:

[tex]V = (3/4)^3[/tex]

Calculate the volume by cubing the side length:

V = (3/4) × (3/4) × (3/4) = 27/64 cubic inches

The volume of one ice cube produced by this ice machine is 27/64 cubic inches.

The correct option is D. 27/64.

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Answer:

19 dimes and 13 quarters

Step-by-step explanation:

Let's start by defining some variables:Let's call the number of dimes the man has "d".

Let's call the number of quarters the man has "q".We know that the man has 32 coins in total, so we can write:

d + q = 32We also know that the total value of the change is 515 cents. Since dimes are worth 10 cents and quarters are worth 25 cents, we can write an equation for the total value in cents:

10d + 25q = 515

We now have two equations with two variables, which we can solve simultaneously. Let's rearrange the first equation to solve for one of the variables:

d = 32 - q

We can substitute this expression for "d" into the second equation:

10(32 - q) + 25q = 515Simplifying and solving for "q", we get:

320 - 10q + 25q = 515

15q = 195

q = 13

So the man has 13 quarters. We can substitute this value into the first equation to find the number of dimes:

d + 13 = 32

d = 19

Therefore, the man has 19 dimes and 13 quarters.

There are 19 dimes and 13 quarters.

Let x represent the number of dimes and y represent the number of quarters.

There are a total of 32 coins, so:

x + y = 32

We know that the total value of the change is 515 cents

. The value of x dimes is 10x cents and the value of y quarters is 25y cents. So:

10x + 25y = 515

We can simplify the first equation by solving for one variable in terms of the other:

x + y = 32x = 32 - y

Now we can substitute this expression for x into the second equation:

10(32 - y) + 25y = 515

Simplify and solve for y:

320 - 10y + 25y = 515

15y = 195y

y = 13

So there are 13 quarters. We can find the number of dimes by substituting y = 13 into x + y = 32:x + 13 = 32x = 19So there are 19 dimes.

So, There are 19 dimes and 13 quarters.

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From the given sample space the probability of P(at least 2 tails) is 68.75%.

Probability is a way to gauge how likely something is to happen. It is a number between 0 and 1, where 0 denotes an impossibility and 1 denotes a certainty for the occurrence. Probability is a key idea in mathematics, statistics, and many other disciplines. It is used to describe uncertain events. Many techniques, such as counting techniques, probability distributions, and simulations, can be used to determine probability. Many uses for it include risk analysis, making decisions, and statistical inference.

From the given sample space the outcomes with at least 2 tails are:

{TTTT, TTT H, TT HT, T H TT, H TTT, H HTT, HT HT, HTTH, THHT, THTH, THH H}

Now,

P(at least 2 tails) = 11/16 = 0.6875 ≈ 68.75%

Hence, from the given sample space the probability of P(at least 2 tails) is 68.75%.

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Answer:

The rectangle is 3.5 yd x 4 yd

Step-by-step explanation:

Area = length x width = lw

l = length = 2w - 3

w = width

Area = 14(2w - 3)(w) = 14

2w² - 3w - 14 = 0

Use quadratic equation to find the 2 roots of w:  a = 2, b = -3, c = -14

w = 3.5, -2     disregard the negative root

width = 3.5 yd

length = 2(3.5) - 3 = 4 yd

The dimensions of the rectangle are approximately 2.23 yards by 1.46 yards.

We are assuming the width of rectangle to be "x" yards. Then, the length would be (2x - 3) yards, since it is 3 yards less than double the width. The formula for the area of a rectangle is A = l x w, so we can plug in the values we know:

14 = (2x - 3) x x

Expanding the brackets:

14 = 2x² - 3x

Put this equation=0:

2x² - 3x - 14 = 0

Using the quadratic formula:

x = (3 ± √(3² + 4 x 2 x 14)) / (2 x 2)

x = (3 ± √97) / 4

We can ignore the negative root, since the width cannot be negative. Therefore,

x ≈ 2.23

This is the width of the rectangle. To find the length, we can plug this value back into the expression we derived earlier:

length = 2x - 3

length ≈ 1.46

Therefore, the dimensions of the rectangle are approximately 2.23 yards by 1.46 yards

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Answer:

YES!!!

Step-by-step explanation:

Answer:

A

Step-by-step explanation:

Since this is a rectilinear angle, we can find x:

x = 180° - 98° = 82°

The number of hours the student should record on the nighttime picture to complete a day-night cycle = 13 hours

The correct answer is an option (c)

We need to find the number of hours the student should record on the nighttime picture to complete a day-night cycle.

From the following pictures we can observe that, the sunrise time is 7:10 A.M. and the sunset timing is 6:10 P.M.

This means that thet daytime is of 11 hours (from 7:10 A.M. to 6:10 P.M.)

We know that the number hours in a day = 24

Let us assume that x represents the nighttime hours.

From this situation we get an equation,

x = 24 - 11

x = 13 hours

And the nighttime cycle would be:

from 6:10 P.M. to 7:10 A.M.

Therefore, the required number of hours = 13 hours

The correct answer is an option (c)

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Find the complete question below.

Answer:

[tex] \frac{a - 3}{a + 2} [/tex]

Step-by-step explanation:

[tex] \frac{ {a}^{2} - 7a + 12 }{ {a}^{2} - 2a - 8} = \frac{(a - 3)(a - 4)}{(a + 2)(a - 4)} = \frac{a - 3}{a + 2} [/tex]

Therefore, the equation of the line is 5x - 3y = -15 and the equation of the line passing through E(4,-3) can be expressed using the point-slope form as y = (5/7)x - (20/7).

a) We can rewrite the provided line in the slope-intercept form y = mx + b, where m is the slope and b is the y-intercept, to determine the slope.

y + 1 = (5/7)(x - 4) (x - 4)

y = (5/7)x - (20/7) - 1

y = (5/7)x - (27/7)

This line and the one we're looking for are parallel, thus their slopes are the same (5/7). Hence, the equation of the line passing through E(4,-3) can be expressed using the point-slope form:

y - (-3) = (5/7)(x - 4) (x - 4)

y = (5/7)x - (20/7)

b) The intercept form of the equation of a line with an x-intercept of 3 and a y-intercept of 5 is:

x/(-3) + y/5 = 1

The result of multiplying both sides by -15 (the least frequent multiple of -3 and 5) is as follows:

5x - 3y = -15

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Based on this information, we can conclude that the measured mean values of vcom,1 and vcom,2 are not significantly different from each other and fall within the range of experimental error.

Assuming that the mean value of vcom,1 is 5.2 m/s with an experimental uncertainty of 0.1 m/s, and the mean value of vcom,2 is 5.5 m/s with an experimental uncertainty of 0.2 m/s, we can calculate the difference between the two mean values and compare it with the combined experimental uncertainty.

The difference between the two mean values is 0.3 m/s, which is greater than the combined experimental uncertainty of 0.22 m/s (calculated as the square root of (0.1² + 0.2²)). Therefore, we can conclude that the two mean values are different and outside the range of experimental error.

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The complete question is :

What is the experimental uncertainty of the mean values of vcom,1 and vcom,2, and is the difference between them significant? Can we conclude that the two mean values are the same, or are they within the range of experimental error?

Answer:

126*2/(5+2+)

252/7=36

Step-by-step explanation:

Hope this helps! =D

Sorry again

Answer:

Step-by-step explanation:

Because a cube has   6    sides ...and a cube has equal side lengths so the area of each side is s x s = s^2    

   then the total is   6 s^2

Answer:

please see the attached I put the answer.

Step-by-step explanation:

I put the steps I did, to graph it.

Answer:

Try this!!!

Step-by-step explanation:

Experimental Probability:

The experimental probability of an event is found by dividing the number of times the event occurs by the total number of trials. In this case, the name Grace was chosen 15 times out of 116 trials, so the experimental probability of choosing Grace is:

Experimental Probability = Number of times Grace was chosen / Total number of trials

Experimental Probability = 15 / 116

Experimental Probability = 0.1293 or approximately 12.93%

Theoretical Probability:

The theoretical probability of an event is found by dividing the number of favorable outcomes by the total number of possible outcomes. In this case, there are six names in the hat, so the probability of choosing Grace is:

Theoretical Probability = Number of favorable outcomes / Total number of possible outcomes

Theoretical Probability = 1 / 6

Theoretical Probability = 0.1667 or approximately 16.67%

If the number of names in the hat were different, both the experimental and theoretical probabilities would change. For example, if there were only three names in the hat, the theoretical probability of choosing Grace would be 1/3 or approximately 33.33%. The experimental probability would also change based on the number of times Grace was chosen out of the total number of trials. As the number of names in the hat increases, the theoretical probability of choosing Grace decreases, and the experimental probability becomes more accurate as the number of trials increases.

The required probability of getting exactly 3 heads after flipping a coin 5 times is equal to 0.3125 or 31.25%.

Using the binomial distribution,

probability of getting heads represents the success  = p

Number of time coin flips = n

The probability of getting exactly x successes (heads in this case) in n independent Bernoulli trials ,

P(x) = (ⁿCₓ) × p^x × (1-p)^(n-x)

where (ⁿCₓ) represents the number of ways to choose k successes out of n trials.

The probability of getting exactly 3 heads out of 5 flips,

with a probability of 0.5 for each flip.

n = 5 (5 coin flips)

k = 3 (getting 3 heads)

p = 0.5 (probability of getting heads on each flip)

Using the formula above, we get,

P(3) = (⁵C₃) × 0.5^3 ×0.5^(5-3)

= 10 × 0.125 × 0.25

= 0.3125

Therefore, the probability of getting exactly 3 heads out of 5 flips is 0.3125 or 31.25%.

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The equation represented by the graph is: y = x² - x - 6. We can solve it in the following manner.

The vertex of the parabola is at (0, -6). We can calculate it in the following manner.

Yes, the equation represented by the graph is: y = x² - x - 6

This is a quadratic equation in standard form, where the coefficient of the x² term is positive, which means that the parabola opens downwards. The equation has a y-intercept of -6 and crosses the x-axis at x = -1 and x = 3. The vertex of the parabola is at (0, -6).

A parabola is a symmetrical plane curve that results from the intersection of a cone with a plane parallel to its side. It is a type of conic section, along with circles, ellipses, and hyperbolas.

A parabola can also be defined as the graph of a quadratic equation, which is a second-degree polynomial. The general form of a quadratic equation in one variable is:

ax² + bx + c = 0

Where a, b, and c are constants and x is the variable. When graphed, a quadratic equation in one variable produces a parabolic curve. The direction and shape of the parabola depend on the sign and value of the coefficient a.

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Answer: 54 in

Step-by-step explanation:

Since the altitude drawn from the vertex of the isosceles triangle forms two congruent right triangles and divides the base into two equal segments, we can work with one of the right triangles to find the length of the other side of the isosceles triangle.

Let's denote the length of the altitude as a, the length of half the base as b, and the length of the other side of the isosceles triangle as c. From the problem, we know that a = 18 inches and b = 15 inches / 2 = 7.5 inches.

We can use the Pythagorean theorem to find the length of c:

a² + b² = c²

Substitute the known values:

18² + 7.5² = c²

324 + 56.25 = c²

380.25 = c²

Now, take the square root of both sides to find the length of c:

c = √380.25

c ≈ 19.5 inches

Since the isosceles triangle has two sides with equal length, the perimeter is:

Perimeter = base + 2 * c

Perimeter = 15 + 2 * 19.5

Perimeter = 15 + 39

Perimeter = 54 inches

Thus, the perimeter of the isosceles triangle is approximately 54 inches.

Given that ABCD is a parallelogram:

Opposite sides of a parallelogram are parallel and congruent. Therefore, AB = DC.

Diagonals of a parallelogram bisect each other. Therefore, the midpoint of AC is the same as the midpoint of BD. Let M be the midpoint of AC, and N be the midpoint of BD.

By the midpoint theorem, BM = DM and BN = AN.

Since BM = DM and BN = AN, we can conclude that quadrilateral ABCD is a parallelogram in which BC || AD and CD || AB.

Therefore, we have shown that AB = CD and BC = AD in parallelogram ABCD.

To find the product of this expression, we can use the distributive property:

3√5 - √2 = 3√5 * 1 - √2 * 1

= 3√5 * (√2/√2) - √2 * (3√5/3√5)

= (3√10/√2) - (3√10/5)

= 15√10/5√2 - 3√10/5

= (15 - 3√2)√10/5√2

So the product is (15 - 3√2)√10 / 5√2.

Simplifying this expression by rationalizing the denominator, we get:

= (15 - 3√2)√10 / 5√2 * √2 / √2

= (15√2 - 3 * 2)√10 / 10

= (15√2 - 6)√10 / 10

= (3√2(5 - 2√10)) / 10

Hence, the product is (3√2(5 - 2√10)) / 10.

The product of expression 3√5-√2 is ( 15√2 - 2)√10 / 10

An expression is combination of variables, numbers and operators.

To find the product of this expression

Apply the distributive property:

3√5 - √2 = 3√5 × 1 - √2 × 1

= 3√5 × (√2/√2) - √2 × (3√5/3√5)

= (3√10/√2) - (√10/5)

= 15√10/5√2 - √10/5

= (15 - √2)√10/5√2

So the product is (15 - √2)√10 / 5√2.

Simplifying this expression by rationalizing the denominator, we get:

= (15 - √2)√10 / 5√2 × √2 / √2

= (15√2 - 2)√10 / 10

Hence, the product of expression 3√5-√2 is ( 15√2 - 2)√10 / 10

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The solution to the trigonometric equation with sine function is x = 2.5.

Starting with 3√2 sin π/3 (x − 2) + 4 = 7:

First, we can simplify 3√2 sin π/3 to 3, since sin π/3 = √3/2 and 3√2 = 3 x √2 x √2 = 3 x 2 = 6.

6(x - 2) + 4 = 7

6x - 12 + 4 = 7

6x - 8 = 7

6x = 15

x = 2.5

A particular solution to a trigonometric equation is one that is valid for a particular value or range of values of the variable, as opposed to a general solution, which is valid for all conceivable values of the variable.

Finding the general solution, which entails locating all feasible solutions to the equation within a specific range or domain, is frequently necessary while solving trigonometric equations. In order to simplify the problem and describe the answers in a compact form that can be applied to every value of the variable, one often applies a variety of trigonometric identities and algebraic operations to get the general solution.

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The second wheel has a smaller circumference compared to the first wheel. The second wheel completes a revolution when the wheel turns 75.40 inches, but the odometer reads 84.82 inches.

There are two types of odometers

In the case of a mechanical odometer, the worm gear is used to make the gear train, and the overall gear ratio is 1690:1, which means that when the vehicle travels a distance of 1 mile, the mechanical odometer input shaft makes 1690 revolutions during this time. In the case of a digital odometer, a magnetic sensor is used to receive pulses, each of which counts as one revolution. We now have a bicycle odometer designed for 27 wheels. Thus, d₁ = 27 inches is the diameter of the first wheel

d₂= 24 inches is the diameter of the second wheel

The odometer is the distance traveled by the vehicle, given as the number of revolutions of the wheel multiplied by the circumference of the wheel. So for the first wheel, Therefore, in case of first

wheel, [tex]C_1 = πd_1 [/tex]

= π × 27

= 84.82 inches

In case of second wheel,

[tex]C_2 = π × d_2[/tex]

= π × 24 inches

= 75.40 inches

So, [tex]C_1 - C_2 = [/tex] 84.82 inches - 75.40 inches

= 9.42 inches

So we can see that the second wheel has circumference is less as compared to the first wheel.

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Complete question:

bicycle odometer is designed for 27 wheels. what happens if you use it on a bicycle with 24 wheels?