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AfilCa [17]
3 years ago
10

13. The figure below shows three identical squares ABCD, CEFG and CJIH

Mathematics
1 answer:
Maru [420]3 years ago
7 0

Step-by-step explanation:

DCE²+GCH²+X²=180°

40²+27²+X²=180°

x²=2329-180°

x=√2149

x=49//

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Solving by elimination <br> -6x+6y=6 -6x+3y=-12
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So elimination method is basically adding the equations and canceling out variables. 
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3 years ago
About 543 out of every 1,000 people in United States owned a cell phone in 2003.In japan,the are was 68 for every 100 people.How
Softa [21]

Answer:

The greater percent of cell phone ownership in Japan than the U.S was <u>13.7%</u>.

Step-by-step explanation:

Given:

About 543 out of every 1,000 people in United States owned a cell phone in 2003.

In japan,the are was 68 for every 100 people.

Now, to find the greater percent of cell phone ownership in Japan than the U.S.

So, to get the percent of people owned cell phone in United States:

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Now, to get the percent of people owned cell phone in Japan:

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So, to get the percent greater of cell phone ownership in Japan than the U.S we subtract the percent of people owned cell phone in United States from the percent of people owned cell phone in Japan:

68\%-54.3\%\\\\=13.7\%.

Therefore, the greater percent of cell phone ownership in Japan than the U.S was 13.7%.

5 0
3 years ago
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