2 years ago

PLEASE ANSWER FAST!!!!

Mathematics

2 answers:

xz_007 [3.2K]2 years ago

5 0

Answer:

The answer is 24.

Step-by-step explanation:

Dahasolnce [82]2 years ago

3 0

Answer:

Step-by-step explanation:

I took the test on E2020.

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The cylinder shown has a lateral surface area of about 80 square inches. Which answer is closest to the height of the cylinder?

natita [175]

Answer:

See explanation

Step-by-step explanation:

The lateral surface area of a cylinder is calculated using:

$L.S.A = 2\pi \: rh$

We have that the lateral surface area is about, 80 square inches.

Assuming the radius is 10 inches, then we substitute r=10, π=3.14 and solve for h.

$80 = 2 \times 3.14 \times 10h$

We solve for h to get:

$h = \frac{80}{2 \times 3.14 \times 10 } = \frac{4}{3.14}$

$h = 1.3inches$

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2 years ago

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a sloth walks 2/5 mile in each 1/3 hour. write a complex fraction to represent the sloths unit rate of speed. then determine the

insens350 [35]

1 1/5 is the answer

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2 years ago

Which are the solutions of x2 = –11x + 4? StartFraction negative 11 minus StartRoot 137 EndRoot Over 2 EndFraction comma StartFr

Marysya12 [62]

Answer:

$x_1=-\frac{11}{2}-\frac{\sqrt{137} }{2}\\\\x_2=-\frac{11}{2}+\frac{\sqrt{137} }{2}$

Step-by-step explanation:

Given the following quadratic equation:

$x^2 = -11x + 4$

The steps to solve it are:

1. Move the terms to one side of the equation:

$x^2+11x- 4=0$

2. Apply the Quadratic formula $x=\frac{-b\±\sqrt{b^2-4ac} }{2a}$ .

In this case we can identify that:

$a=1\\b=11\\c=-4$

Then, substituting these values into the Quadratic formula we get the following solutions:

$x=\frac{-11\±\sqrt{11^2-4(1)(-4)} }{2(1)}$

$x_1=-\frac{11}{2}-\frac{\sqrt{137} }{2}\\\\x_2=-\frac{11}{2}+\frac{\sqrt{137} }{2}$

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2 years ago

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A dairy milker's gross pay per week is $546. If she works 30 hours per week, how much does she earn per hour?

loris [4]

$18.20

Explanation:
$546/30hours=$18.20

Plz mark brainiest

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2 years ago

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A faucet is leaking water at a rate of 2.5 cups per hour. How many cups of water will leak in 8 hours? A. 3.2

VikaD [51]

Answer:

Step-by-step explanation:

In 8 hours, it will leak 2.5 * 8 = 20 cups of water.

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2 years ago

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