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3 years ago

Help please! I will give tons of points.

Mathematics

1 answer:

alekssr [168]3 years ago

6 0

Answer:

Step-by-step explanation:

i remember getting this in my maths exam so i hope its correct

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35. What percentage is 12 minutes of 4 hours?

Elodia [21]

Answer:

$5\%$

Step-by-step explanation:

$4h = 4 \times 60 \: minutes \\ = 240 \: min \\ \\ \frac{12}{240} \times 100\% \\ = 5\%$

hope this helps you.

Can I have the brainliest please?

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6 0

3 years ago

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Ivanshal [37]

Answer:

The y intercept means shawn ran 4 laps at week zero

Step-by-step explanation:

3 0

3 years ago

Find the volume of th] cylinder. Round your answer to the nearest tenth if necessary. Use 3.14 for 1.

spayn [35]

Answer:197.8

The formula for a cylinder is 3.14*r^2*h but if you don't round to the nearest tenth the the answer is 197.82034.

Step-by-step explanation:Step one mutiply 3^2=9, Step two mutiply 3.14*

9=28.26, Step three mutiply 28.26*7=197.82.But if you round 197.82034 to the nearest tenth which is moving one decimal place to the right you'll will get 197.8.

6 0

3 years ago

A cone shaped paper water cup has a height of 12 cm and a radius of 6 cm. If the cup is filled with water to half its height, wh

monitta

Answer:

The portion of the volume of the cup that is filled with water is $\frac{1}{8}$

Step-by-step explanation:

step 1

Find the volume of the paper water cup

The volume of the cone is equal to

$V=\frac{1}{3}\pi r^{2}h$

we have

$r=6\ cm$

$h=12\ cm$

substitute

$V=\frac{1}{3}\pi (6)^{2}(12)$

$V=144\pi\ cm^{3}$

step 2

If the cup is filled with water to half its height, find out what portion of the volume of the cup is filled with water

Remember that

If two figures are similar, then the ratio of its volumes is equal to the scale factor elevated to the cube

In this problem the similar cone has half the height of the complete cone

The scale factor is equal to 1/2

therefore

The volume of the cup that is filled with water is equal to the volume of the complete cup by the scale factor elevated to the cube

$V=(1/2)^{3}(144\pi)=(1/8)144\pi\ cm^{3}$

therefore

The portion of the volume of the cup that is filled with water is

$\frac{1}{8}$

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3 years ago

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Help wit this? 10m-8m+2+10

GenaCL600 [577]

Answer:

2m+12

Step-by-step explanation:

add like terms

2m+12

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3 years ago