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3 years ago

9

How do you show your work for this problem?

2 answers:

laiz [17]3 years ago

7 0

Answer:

i cant see it

Step-by-step explanation:

zaharov [31]3 years ago

7 0

Make sure to put a picture next time, there’s no picture so I can’t help out.

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A 13-A ladder leans against the side of a house. The bottom of the ladder is 8 ft from the side of the house. How high is the to

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10.2 ft

Step-by-step explanation:

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3 years ago

The area of a circular oil slick on the surface of the sea is increasing at a rate of [150m^2/s] how fast is the radius changing

Akimi4 [234]

Answer with Step-by-step explanation:

We are given that

$\frac{dA}{dt}=150m^2/s$

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We have to find rate of change of radius.

We know that

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Differentiate w.r.t time

$\frac{dA}{dt}=2\pi r\frac{dr}{dt}$

Substitute the values then we get

$150=2\pi (25)\frac{dr}{dt}$

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$\frac{dr}{dt}=\frac{3}{\pi} m/s$

b.A= $1000m^2$

Substitute the values then we get

$1000=\pi r^2$

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$r^2=\frac{1000}{3.14}$

$r=\sqrt{\frac{1000}{3.14}}=17.8m$

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Substitute the values then we get

$150=2\pi(17.8)\frac{dr}{dt}$

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3 years ago

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bixtya [17]

Answer:

$10^{4}$

Step-by-step explanation:

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