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3 years ago

(32 minus 20) divided by 4

Mathematics

2 answers:

aalyn [17]3 years ago

8 0

The answer is 3. I hope this helps!

Drupady [299]3 years ago

3 0

32-20= 12/4=3 three is your final asnwer

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Make v the subject of the formula in H=m(v²-u²)/2gx

goldfiish [28.3K]

Answer:

$v=\sqrt{\dfrac{H\times 2gx}{m}+u^2}$

Step-by-step explanation:

The given formula is :

$H=\dfrac{m(v^2-u^2)}{2gx}$

We need to find the formula for v.

Cross multiplying the given formula.

$H\times 2gx=m(v^2-u^2)$

Dividing both sides by m. So,

$\dfrac{H\times 2gx}{m}=\dfrac{m(v^2-u^2)}{m}\\\\(v^2-u^2)=\dfrac{H\times 2gx}{m}$

Adding both sides by u².

$(v^2-u^2)+u^2=\dfrac{H\times 2gx}{m}+u^2\\\\v^2=\dfrac{H\times 2gx}{m}+u^2\\\\\text{So},\\\\v=\sqrt{\dfrac{H\times 2gx}{m}+u^2}$

Hence, this is the required formula.

4 0

2 years ago

PLEASEE HELP!!<br><br> What is the value of x?<br><br> Enter your answer in the box

madreJ [45]

First we need to figure out how long YK is and the best way to do this is to set up a proportion

34 x
----- = ------
95.2 168

then cross multiply and divide

34 times 168=5712/95.2=60

then add the two parts of the line

60+34=94

X is 94 cm

I hope I've helped!

3 0

3 years ago

Help me plzzzzzzzzzzzz

blagie [28]

Answer:

d=1.7, b=7.1

Step-by-step explanation:

3√3/3, so √3 is d, which is 1.7, b is 5 x √2, and its 7.07, so 7.1

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3 years ago

Solve the equation. \k + 7) = 3

enyata [817]

Answer:

The correct answer is A

PLEASE MARK ME BRAINLIEST

6 0

2 years ago

Help me out thankyou

mixer [17]

Answer:

Step-by-step explanation:

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2 years ago