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2 years ago

Please help me with the following!

Mathematics

1 answer:

Rama09 [41]2 years ago

8 0

Answer:

D. 2040

Step-by-step explanation:

population increases by about 1 million every 10 years

in 2010, it's about 8

11 - 8 = 3

2010 + 30 = 2040

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3 years ago

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3 years ago

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Arlecino [84]

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3 years ago

A text message plan costs $4 per month plus $0.32 per text. Find the monthly cost for x text messages.

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3 years ago

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K=mv^2/2 solve for v

matrenka [14]

Answer: $v=\sqrt[]{\frac{2K}{m} }$

Step-by-step explanation:

$K=\frac{mv^2}{2}$

First, multiply by 2 to get rid of the 2 in the denominator. Remember that if you make any changes you have to make sure the equation keeps balanced, so do it on both sides as following;

$2*K=\frac{mv^2}{2}*2$

$2K=mv^2$

Divide by m to isolate $v^2$ .

$\frac{2K}{m}=\frac{mv^2}{m}$

$\frac{2K}{m} =v^2$

To eliminate the square and isolate v, extract the square root.

$\sqrt[]{\frac{2K}{m} }=\sqrt[]{v^2}$

$\sqrt[]{\frac{2K}{m} }=v$

let's rewrite it in a way that v is in the left side.

$v=\sqrt[]{\frac{2K}{m} }$

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3 years ago