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dusya [7]
4 years ago
12

How do you find the percent of a number

Mathematics
2 answers:
telo118 [61]4 years ago
7 0
To find the percent of a number, just turn the percentage into a decimal. To do that just go 2 decimal places to the left. For example, 25% becomes 0.25. Then, just multiply that decimal by the number you're finding the percentage of. That's it!

Ex. Find 50% of 10

50% becomes 0.5
0.5(10)= 5

50% of 10 is 5.
natulia [17]4 years ago
3 0
You set up a proportion. first, put the percent so if it's 30 percent, it would be 30 over 100. Then, set up the second part. is over of. 
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Genrish500 [490]

To find the volume of a cylinder it's

πr² x height.

So π x 10² x 10 would be the equation.

I would do it but I don't have a scientific calculator on me.

5 0
3 years ago
Find the value of x in each case:
Margaret [11]

Answer:

x = 11°

4x = 44°

Step-by-step explanation:

Line BC || Line EF... (given)

BF is transversal.

\angle BFG + \angle BFE = 180\degree\\.. (straight \: line \: \angle 's) \\ + \angle BFE = 180\degree\\\angle BFE = 180\degree-147\degree \\\angle BFE = 33\degree\\

\angle BED is exterior angle of \angle EBF

Hence, by remote interior angle theorem of triangle, we have:

m\angle BED = m\angle EBF + \angle BFE  \\4x = x + 33\degree \\4x - x = 33\degree \\3x = 33\degree \\x = \frac{33}{3}\\\huge \purple {\boxed {x = 11\degree}} \\4x = 4\times 11\degree \\\huge \orange{\boxed {4x = 44\degree}}

6 0
4 years ago
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ki77a [65]

Answer:

17

Step-by-step explanation:

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8 0
4 years ago
Estimate the sum of 487 and 310
notsponge [240]
487 is almost 500, so we will approximate 487 as 500.
310 is just over 300, so we will approximate 310 as 300.

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310+487=797 (actual)
8 0
3 years ago
Read 2 more answers
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Verdich [7]

Answer:

D

Step-by-step explanation:

Because Y=12=4×3

So if you multiply 4×3 you will get 12.

5 0
3 years ago
Read 2 more answers
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