1 year ago

Please help me with this math problem.

Mathematics

1 answer:

Naya [18.7K]1 year ago

8 0

Answer: you got this

Step-by-step explanation:

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What does (r-c) represent in this context?

gavmur [86]

The correct answer is C

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2 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.

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

4 0

2 years ago

please help i don't understand this one i appreciate anyone who helps :) Solve for x. 7x - 3/8 = 6x -

svet-max [94.6K]

Answer:

x = 3/8

Step-by-step explanation:

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3 years ago

Pls help the question is the pic!!!!

masya89 [10]

Answer:

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2 years ago

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A triangle has side lengths measuring 3x cm, 7x cm, and h cm. Which expression describes the possible values of h, in cm?

madreJ [45]

It would be 4x < h < 10x
the difference between 3x - 7x =4
and the sum would be 3x + 7x =10

9 0

2 years ago