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3 years ago

HELP I’ll give you brainliest This is timed I have 5 minutes

Mathematics

1 answer:

DiKsa [7]3 years ago

4 0

Pretty sure it’s y=(x-5)^2+7

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Suppose that a drop of mist is a perfect sphere and that, through condensation, the drop picks up moisture at a rate proportiona

NeX [460]

The volume of a sphere is given by

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

The area of a sphere is given by

$A=4\pi r^2$

$\frac{dV}{dt} \propto A \\ \\ \frac{dV}{dt} = kA$

But

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

By substitution,

$4\pi r^2 \frac{dr}{dt}=kA \\ \\ \Rightarrow4\pi r^2 \frac{dr}{dt}=4k\pi r^2 \\ \\ \frac{dr}{dt} =k$

Thus, the <span>drop's radius increases at a constant rate.</span>

6 0

3 years ago

A group of college students developed a solar-powered car and entered it in a car.

nadezda [96]

Answer:

what?

Step-by-step explanation:

5 0

3 years ago

Caitlin drew a scale drawing of the community park in her town. The actual

Tom [10]

Answer: 1 inch equals 4 feet

Step-by-step explanation:

By an online search, I´ve found that:

The park is 48 ft long.

Caitlin´s drawing is 12 inches long.

To find how much each inch represents, we need to take the quotient between those lengths:

48ft/12in = 4ft/in.

We also can write this amount as:

4 feet per inch.

This means that each inch represents 4 feets.

Then the correct option is the first one: 1 inch equals 4 feet

6 0

2 years ago

Please help! will give brainlist

LuckyWell [14K]

The answer would have to be D

5 0

3 years ago

What would be the awnsers

Fittoniya [83]

The answer would be 42

8 0

3 years ago