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2 years ago

What is the square root of 8y to the 7th power

Mathematics

2 answers:

kaheart [24]2 years ago

8 0

It would be 2 square root of 2 and y7 square root. It's two parts to the answer.

andre [41]2 years ago

4 0

The answer is 512y^7(square root of 8y)

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Solve for W <br><br> T= sqrt(5/(wc)

Gnoma [55]

T= sqrt(5/wc) remove ( ) T= 5sqrt/wc multiply by wc Twc=5sqrt divide by Tc W= 5sqrt/cT hope this helps

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2 years ago

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If a skydiver jumps of an airplane and falls at 212 miles per hour, what is the skydiver’s velocity and speed?

mario62 [17]

Speed is simply some number with some unit of speed at the end while velocity is speed with a direction.

The skydiver's velocity is 212 miles per hour downward.

The skydiver's speed is 212 miles per hour

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2 years ago

If a snowball melts so that its surface area decreases at a rate of 3 cm2/min, find the rate (in cm/min) at which the diameter d

grin007 [14]

Answer:

The diameter decreases at a rate of 0.053 cm/min.

Step-by-step explanation:

Surface area of an snowball

The surface area of an snowball has the following equation:

$S_{a} = \pi d^2$

In which d is the diameter.

Implicit differentiation:

To solve this question, we differentiate the equation for the surface area implictly, in function of t. So

$\frac{dS_{a}}{dt} = 2d\pi\frac{dd}{dt}$

Surface area decreases at a rate of 3 cm2/min

This means that $\frac{dS_{a}}{dt} = -3$

Tind the rate (in cm/min) at which the diameter decreases when the diameter is 9 cm.

This is $\frac{dd}{dt}$ when $d = 9$ . So

$\frac{dS_{a}}{dt} = 2d\pi\frac{dd}{dt}$

$-3 = 2*9\pi\frac{dd}{dt}$

$\frac{dd}{dt} = -\frac{3}{18\pi}$

$\frac{dd}{dt} = -0.053$

The diameter decreases at a rate of 0.053 cm/min.

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2 years ago

A rectangular park is 56 miles wide and 157 miles long. What is the area of the park? Enter your answer in the box as a mixed nu

OLEGan [10]

I believe the answer would be 2 23/42. Sorry, if I am wrong with this answer. Sorry, i also mean the answer should be actually 1 3/7

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2 years ago

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9/15 is equal to what

Aleonysh [2.5K]

9/15 is equal to 3/5

9/3 = 3

15/3 = 5

So your answer is 3/5.

Hope this Helps!!

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2 years ago