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3 years ago

What is the surface area of a cylinder with base radius 4 and height 7?

1 answer:

5 0

The Surface area is about 276.46

To find the surface area of a cylinder it is A = 2 *pi *r *h + 2 *pi*r^2

I hope that helps.

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Can someone explain how they get the answer.

SSSSS [86.1K]

Answer:

585°

Step-by-step explanation:

2 π = 360° = 180/pi

(13pi/4) x (180/pi)

(13/4) x (180/1)

(13/1) x (45/1)

585°

3 0

3 years ago

Read 2 more answers

The amount of available disk space on a digital video recorder changed from 81% to 9% after recording 12 episodes of a show. Eac

Colt1911 [192]

Answer:

The change in available disk space is −6% per episode

Step-by-step explanation:

Given that :

Available disk space changed from 81% to 9% after recording 12 episodes of a show

Each episode requires the same amount of disk space

Change in disk space =

Final % = 9%

Initial percentage = 81%

Change = final value - initial value :

(9 - 81)% = -72%

72% reduction in disk space

Space taken up per episode :

Reduction in space / number of episodes

= -72% / 12

=- 6%

4 0

3 years ago

Please answer this for 15 points :) <333

lions [1.4K]

Answer:

Elena can run 3 miles per hour.

Step-by-step explanation:

Given that:

a circular running track = 1/5 mile

On this track, Elena runs completing each of the laps in 1/15 of an hour

We are to find Elena running speed.

It implies that the distance of Elena = $\dfrac{1}{5}$

Time to run each lap = $\dfrac{1}{15} \ of \ an \ hour$

Speed is the amount of distance covered in a specified period of time.

Recall that the formula for calculating speed is:

$Speed = \dfrac{distance}{time}$

$Speed = \dfrac{\dfrac{1}{5}}{\dfrac{1}{15}}$

$Speed ={\dfrac{1}{5}\times \dfrac{15}{1}$

Speed = 3miles / hour

As such, Elena can run 3 miles each hour.

3 0

3 years ago

Your parents have decided that it is time for you to have some responsibility by paying for your own cell phone bill. You have a

Pavel [41]

Answer: b

Step-by-step explanation: search it up

4 0

3 years ago

The scale on a map shows that 10 kilometers is represented by 4 centimeters. Which proportion can be used to find the actual dis

Illusion [34]

10/4=x/20
Your answer will be x=50 kilometers

3 0

3 years ago

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