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3 years ago

Is 2/10 equivalent to 20/100

Mathematics

2 answers:

valentinak56 [21]3 years ago

8 0

Answer:

I’m sure they are both equivalent to 1/5

Step-by-step explanation:

MissTica3 years ago

3 0

Answer:

Yes it is

Step-by-step explanation:

You know it is equal because 2/10 is equal to .20 or .2

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Tito drives his car and covered a distance of 225 kilometers in 7.5 hours. What is the average in kilometers per hour?

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Step-by-step explanation:

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3 years ago

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Answer:

Female=14 male=6

Step-by-step explanation:

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3 years ago

if the height of the cylinder with a radius of 12 cm and a height of 20 cm has the same volume as a cone with a radius of 8 cm.

Marrrta [24]

Answer:

$\large\boxed{H=135\ cm}$

Step-by-step explanation:

The formula of a volume of a cylinder:

$V=\pi r^2H$

r - radius

H - height

We have the radius r = 12cm and the height H = 20cm. Substitute:

$V=\pi(12^2)(20)=\pi(144)(20)=2880\pi\ cm^3$

The formula of a volume of a cone:

$V=\dfrac{1}{3}\pi r^2H$

r - radius

H - height

We have the radius r = 8cm and the volume V = 2880πcm³. Substitute:

$\dfrac{1}{3}\pi(8^2)H=2880\pi\qquad\text{divide both sides by}\ \pi\\\\\dfrac{1}{3}(64)H=2880\qquad\text{multiply both sides by 3}\\\\64H=8640\qquad\text{divide both sides by 64}\\\\H=135\ cm$