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2 years ago

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Mathematics

1 answer:

enyata [817]2 years ago

5 0

This year, the year is 2021

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E = MV^2 ÷ 2 + mgh, Make V Subject of the formula

Stels [109]

Answer:

$\red{ \bold{ V = \sqrt{\frac{2(E - mgh)}{M}}}}$

Step-by-step explanation:

$E = MV^2 ÷ 2 + mgh \\ \\ E - mgh = MV^2 ÷ 2 \\ \\ 2(E - mgh)= MV^2 \\ \\ \frac{2(E - mgh)}{M}=V^2 \\ \\ \sqrt{\frac{2(E - mgh)}{M}} = V \\ \\ \red{ \bold{ V = \sqrt{\frac{2(E - mgh)}{M}}}}$

4 0

3 years ago

Using the numbers 1,2,3,4,5,6,7,8,9 use four to make it equal 19 you may only use these numbers once! Thank you! Example: 5+3+7+

irga5000 [103]

9+1+4+5=19
9+2+3+5=19
8+4+2+5=19

Here you go

6 0

2 years ago

Read 2 more answers

5 tenths plus 7 thousandths equals how many thousandths

elixir [45]

0.5 + 0.007 = 0.012
So the answer is 12 thousandths

4 0

3 years ago

The graph of a proportional relationship contains the point (20, 4).

soldier1979 [14.2K]

Answer:

$y=\frac{1}{5}x$

Step-by-step explanation:

we know that

A relationship between two variables, x, and y, represent a proportional variation if it can be expressed in the form $y/x=k$ or $y=kx$

In a proportional relationship the constant of proportionality k is equal to the slope m of the line and the line passes through the origin

In this problem we have

$point (20,4)$

Substitute the values and solve for k

$k=y/x$

$k=\frac{4}{20} =\frac{1}{5}$

therefore

the equation of the line is equal to

$y=\frac{1}{5}x$

6 0

3 years ago

Read 2 more answers

What is d square root of 49

fomenos

Answer:

± 7

Step-by-step explanation:

Given

d = $\sqrt{49}$ , then

d = 7 or - 7, that is ± 7

Since 7 × 7 = 49 and - 7 × - 7 = 49

3 0

3 years ago

Read 2 more answers