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ElenaW [278]
2 years ago
12

What is the surface area of the cylinder with height 8 in and radius 2 in? Round your answer to the nearest thousandth.

Mathematics
1 answer:
leonid [27]2 years ago
6 0

Answer:

2^2 = 4

4 x 3.14 = 12.56

12.56 x 2 (since there are two circles on the cylinder) = 25.12

Now let's find the circumference of one circle and multiply it by the height to get the round surface area!

2 x 3.14 x 2 = 12.56(circumference)

12.56 x 8(height) = 100.48

Now add both the surface areas!:

25.12 + 100.48 = 125.6 in2 is your answer.

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The angle measure is 78/2 degrees. that would simplify down to 39 degrees. I don't remember the theroem but I do know that the angle is half the side length angle measure
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Write an expression for the operation described below.<br> the product of 2 and c
PtichkaEL [24]

Answer:

2<em>c</em> or 2 x <em>c</em>

Step-by-step explanation:

Product means multiplication, they put 2 first then c last.

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2 years ago
4/5-11/15 can you help me?
Ainat [17]

Answer:

\frac{1}{15} is the answer.

Step-by-step explanation:

\frac{4}{5} - \frac{11}{15}

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\frac{12}{15} - \frac{11}{15}

12 - 11 = 1.

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5 0
2 years ago
If you are currently making 6.75 per hour and you’re offered a new job that pays 7.47 per hour how much more would you make per
Nikolay [14]

Answer:

$0.72

Step-by-step explanation:

You are contrasting the numbers, so that means you are subtracting. When you subtract, the larger number goes on top..

7.47 - 6.75 = ?

So then you subtract and get $0.72.

I will make $0.72 more than I was at my current job.

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6 0
3 years ago
Someone please help me quick because I’m really confused and it you can can you explain it
kogti [31]

Answer:

4.) 40 Apps can be downloaded in 1 minute

5.) 0.2 or 2/10 of a miles can be traveled in 1 second

Step-by-step explanation:

4.)

So 12 seconds is = to 1/5 of a minute

So the question asks for 1 minute

This means that we need to perform 1/5 *5 to get 1 minute

If we multiply 5 to 1/5 minutes, we also need to multiply 5 to the apps

8 * 5 = 40

So that is how we solved the answer.

So DeAndre can download 40 Apps in 1 minute.

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So he traveled 1/10 miles in 1/2 or 0.5 seconds.

This means we can multiply the seconds by 2 to get 1 second.

0.5 * 2 = 1

If we multiply the seconds by 2 we also need to multiply the miles traveled by 2.

So (1/10) * 2

The 2 can be rewritten as (2/1) because 2/1 is the same as 2

(2/1) * (1/10)

So we multiply straight out and get 2/10 miles traveled which can be simplified to 1/5 miles traveled.

7 0
3 years ago
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