3 years ago

I need help answering all of these

Mathematics

2 answers:

Mashcka [7]3 years ago

7 0

Answer:

A)-7

B)2

C)-2

D)-4

Step-by-step explanation:

kolezko [41]3 years ago

3 0

Answer:

well the (a) is -3 and (c) is 2

Step-by-step explanation:

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2 years ago

A spherical balloon is inflated with gas at the rate of 500 cubic centimeters per minute. How fast is the radius of the balloon

zmey [24]

Using implicit differentiation, it is found that the radius is increasing at a rate of 0.0081 cm per minute.

<h3>What is the volume of a sphere?</h3>

The volume of a sphere of radius r is given by:

$V = \frac{4\pi r^3}{3}$

Applying implicit differentiation, the rate of change is given by:

$\frac{dV}{dt} = 4\pi r^2\frac{dr}{dt}$

In this problem, we have that:

$\frac{dV}{dt} = 500, r = 70$

Hence the rate of change of the radius is given as follows:

$\frac{dV}{dt} = 4\pi r^2\frac{dr}{dt}$

$19600\pi\frac{dr}{dt} = 500$

$\frac{dr}{dt} = \frac{500}{19600\pi}$

$\frac{dr}{dt} = 0.0081$

The radius is increasing at a rate of 0.0081 cm per minute.

More can be learned about implicit differentiation at brainly.com/question/25608353

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2 years ago

Omar is collecting toy cars. He starts his collection with 2 toy cars that his grandmother gave him. He plans to buy cars each w

d1i1m1o1n [39]

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3 years ago

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Sorry I don’t understand 1-100=99 sorry

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26. -2, 3, 8, 13, 18,...

-Dominant- [34]

Answer:

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Step-by-step explanation:

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