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2 years ago

These ones always confuse me.

Mathematics

1 answer:

MissTica2 years ago

5 0

You just puts them in the order on the line

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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!!

Korvikt [17]

A I guess (finger crossed )

8 0

2 years ago

Read 2 more answers

Mark has been watching 16 movies for the past x months. Max has been trying to keep up with his pace but has only been able to w

egoroff_w [7]

Mark = 16

Max = 8

16 + 8 = 24

144/24 = 6

Option D. 6 months

4 0

2 years ago

36.25= 45.5% of ____

aev [14]

Answer:

36.25 is equal to the 45.5% of 79.67

Step-by-step explanation:

To solve this you just have to find the value that represents the 100%.

To do this, you can use the Rule of Three that allows you to solve problems of proportions.

In this case, you know that the 45.5% of the magnitude <em>X </em>is 36.25, now you have to find the value which corresponds to the 100%.

Mathematically it will be:

$\frac{X}{36.25} =\frac{100}{45.5}$

Then you have to solve the equation to find <em>X</em>:

$X=\frac{100}{45.5}*36.25$

And finally, the answer is:

$X=79.67$

7 0

2 years ago

Geometry help? 4 questions so 40 points!!

san4es73 [151]

D
C
B
D

Hope I helped!
Giving me brainliest is much appreciated! =)

4 0

2 years ago

Read 2 more answers