Fill this graph out , I don't understand how to convert a decimal into a percentage or fraction

Mathematics

2 answers:

givi [52]3 years ago

7 0

<span>Answers for chart
1) 18/25 0.72 72%
2) 17/20 0.85 85%
3) 13/50 0.26 26%
4) 31/50 0.62 62%
5) 9/20 0.45 45% </span>

kow [346]3 years ago

6 0

In the first column the decimal is .26 and the percent is 26%. In the second column the fraction is 31/50 and the percent is 62%. In the last column the fraction is 9/20 and the decimal is .45. Hope this helps! ;)

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Addition-subtraction method<br><br> 8.92x-5.42y=3.41 5.83x+1.07y=2.37

lyudmila [28]

We want to use the Addition-Subtraction method to solve
8.92x - 5.42y = 3.41 (1)
5.83x + 1.07y = 2.37 (2)

We shall eliminate y from the two equations by Addition.
Multiply (1) by 1.07 and multiply (2) by 5.42 to obtain
1.07*(8.92x - 5.42y) = 1.07*3.41
9.5444x - 5.7994y = 3.6487 (3)

5.42*(5.83x + 1.07y) = 5.42*2.37
31.5986x + 5.7994y = 12.8454 (4)

Add (3) and (4) to obtain
9.5444x - 5.7994y + 31.5986x + 5.7944y = 3.6487 + 12.8454
41.143x = 16.4941
x = 0.4009

From (2), obtain
1.07y = 2.37 - 5.83x
= 2.37 - 5.83*0.4009
= 0.0328
y = 0.0307

Answer:
x = 0.4009
y = 0.0307

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3 years ago

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Answer:

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Step-by-step explanation:

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Answer:
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