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3 years ago

How do you write 22.5% as a fraction in simplest form?

Mathematics

1 answer:

Darya [45]3 years ago

4 0

Answer: 9/40

Step-by-step explanation: To write a percent as a fraction in lowest terms, remember that a percent is a ratio that compares a number to 100.

So here, 22.5% can be written as the ratio 22.5 to 100 or 22.5/100.

Notice however that 22.5/100 is not in lowest terms so we need to multiply the numerator and the denominator of 22.5 by 10 in order to remove the decimal point. When we do this, we will end up with the fraction 225/1000.

The fraction 225/1000 can be written in lowest terms by dividing both the numerator and the denominator by 25 and we get the fraction 9/40.

Therefore, 22.5% can be written as the fraction 9/40.

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soldier1979 [14.2K]

Answer:

A) The radius is 4 m

Step-by-step explanation:

Volume of cylinder formula:

V = πr²h

<h3>Given</h3>

V = 64π,
h = 4 m

Find r by substituting given values:

64π = πr²*4
64π = 4r²π
16 = r²
r = √16
r = 4 m

Correct choice is A.

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1 year ago

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Find the volume of a cylinder with a diameter of 8 inches and a height that is 3 times the radius. Use 3.14 for pi round answer

masha68 [24]

Answer:

603.19

Step-by-step explanation:

v=π $r^{2} h$

pi is 3.14

Radius= Diameter/2= 4, so r square= 16

Height= Radius*3=12

So volume= 3.14*16*12=603.19

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3 years ago

Find derivative of 2cosx+2cos2x

Zarrin [17]

Derivitive of cosx=-sinx
dy/dx sinx=cosx
and use chain rue

2cosx=-2sinx
2cos2x=-4sin2x
so
-2sinx-4sin2x id the deritivitve

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3 years ago

a basketball player looks directly at the rim that is 10 feet high. the angle of elevation from her eye level, which is 6feet ab

Aneli [31]

Her horizontal distance to the rim satisfies the ratio
(10 ft -6 ft)/distance = tan(25°)
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6 0

3 years ago

IS THIS CORRECT?! I HAVE A BACK SIDE TOO, IF ANYTHING IS WRONG PLS PLS LMK!!

Fudgin [204]

The only error you made is on problem 3. Everything else is correct. Nice work.

-------------------------------------------------------

Here is how to solve problem 3

Plug x = 1 into the equation and solve for y

-3x + y = 1

-3*1 + y = 1 ... replace x with 1

-3 + y = 1

y - 3 = 1

y - 3 + 3 = 1 + 3 .... add 3 to both sides

y = 4

<h3>The answer is 4</h3>

-------------------------------------------------------

Verifying the answer:

Plug (x,y) = (1,4) into the equation. Both sides should be the same number after simplifying both sides.

-3x + y = 1

-3*1 + 4 = 1 ..... replace x with 1; replace y with 4

-3 + 4 = 1

1 = 1

The answer is confirmed.

If you were to graph -3x + y = 1, which is equivalent to y = 3x+1, you'll find that the point (1,4) is on this line.

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3 years ago