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MAXImum [283]
3 years ago
12

How do you find a percentage of a number? (besides )

Mathematics
2 answers:
Evgen [1.6K]3 years ago
8 0
This is a fun one. 

So let me show you an example, 

say we ask the question, 8 is what percent of 32. We can throw these into an equation that looks lime this. X/100=Y/Z, X in this case is 32 because it is the full 100% and we want to find what percent Y (8) is of it. Basically solving for Z. 

So plugging in the numbers, 

32/100=8/Z cross multiply, 800=32z in this problem we get that 8 is 25% of 32. 

That value makes sense so it must be correct. Let me know if you're still confused. 
Vsevolod [243]3 years ago
6 0
In order to find a percentage, you divide the sample by the total amount.

For example: Tess has 3 cookies out of the total amount of 9. 3/9 = 33.3%
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What is the length of the hypotenuse? 55 ft and 48 ft
34kurt

Answer:

\sqrt{55^2+ 48^2} = 73

Step-by-step explanation:

c=\sqrt{a^2 + b^2}

6 0
2 years ago
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lara31 [8.8K]

Answer:

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Step-by-step explanation:

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6 0
3 years ago
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Convert 674 cm into m
Lyrx [107]

Answer is below. Look at my explanation to understand my answer.

To convert centimetres into meters, you'll divide how many centimetres by 100.

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674 ÷ 100 = 6.74

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7 0
2 years ago
Help Me With This Please
Cerrena [4.2K]
8. complementary angles = 90°
3x+3+10x-4 = 90
13x-1 = 90
13x = 91
so x = 91/13= 7
then K = 3(7)+3 = 24°
so L = 10(7)-4 = 70-4 = 66°

9. P is three less than twice of Q
so P = 2Q-3
supplementary angles = 180°

P+Q = 180
(2Q-3)+Q = 180
3Q-3 = 180
3Q = 183
so Q = 183/3 = 61°
then P= 2(61)-3 = 122-3 = 119°

10. B is two more than three times of C so B= 3C+2
complementary angles = 90°

B+C= 90
(3C+2)+C=90
4C+2=90
4C= 88
so C= 22°
then B = 3(22)+2= 66+2 = 68°
8 0
3 years ago
A bicyclist travels at a constant speed of 18 mi/h. How long does it take the bicyclist to travel 90 mi
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If the bicyclists is traveling 18 miles every hour and needs to travel a sum of 90 miles, you need to divide 90/18 equaling the total time (in hours) needed to travel 90 miles. Hope this helps
6 0
3 years ago
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