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alexira [117]
3 years ago
5

Find surface area of shape.

Mathematics
1 answer:
svp [43]3 years ago
3 0

SA = 2 x pi x r (h + r)

SA = 2 x 3.14 x 5 (8 + 5)

SA = 31.4 (13)

SA = 408.2

SA = 408

The answer is B) 408 m².

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A bag contains 2 red marbles, 7 blue marbles and 5 green marbles. If two marbles are drawn out of the bag, what is the exact pro
vivado [14]

Answer:

0.25 or 25%.

Step-by-step explanation:

2 Red + 3 Blue + 7 Green = 12 Total Marbles.

You have 3 blue marbles out of the total marbles, so 3/12, then simplify it. 3/12 = 1/4. This gives you 0.25, or 25%.  

The probability of drawing a blue marble is 0.25 or 25%

4 0
2 years ago
Order the integers from least to greatest {-11,8,-13,-2,16}
Dovator [93]
Least to Greatest going ⬇
-13
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8
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3 0
3 years ago
A 180-watt iHome® is used on an average of three hours a day. Find the cost of listening to the iHome for one week at a cost of
IgorLugansk [536]
<h2>Hello!</h2>

The answer is:

The correct option is:

A. $0.49

<h2>Why?</h2>

From the statement, we know that the iHome is used on average three hours a day, and we are asked to find the cost for a week, so first, we need to calculate the total hours that the iHome is used for, and then, calculate the kilowatt-hour consumption rate.

TotalTime_{week}=3\frac{hours}{day} *7days=21hours

TotalEnergyConsumption_{week}=180watt*21hours=3780watt.hour

Now, we must remember that:

1Kilowatt=1000watts

So,

3780watts=3780watts.hour*\frac{1KiloWatt}{1000watts}=3.78KiloWatt.hour

Then, calculating the cost, we have:

TotalCost_{week}=0.13\frac{dollar}{killowat.hour}*3.78killowat.hour=0.49(dollar)

Hence, we have that the correct option is:

A. $0.49

Have a nice day!

7 0
3 years ago
What is the answer pls it’s for a grade
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The answer
2
Explanation
The median is the middle number and if you take off one side from the left and one side from the right until you have your middle number
6 0
2 years ago
Can someone help me please
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7 0
3 years ago
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