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Alenkinab [10]
3 years ago
9

A diagram shows circles to represent the populations of various countries in the world. The circle for India has a radius of 3.2

cm and the circle for China has a radius of 3.4 cm. If 17% of the worlds population is in India, what percentage of the world population is in China?
Mathematics
1 answer:
Naily [24]3 years ago
5 0
I think the population of china is around 17%
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A. 5x - 2 = 8<br>b. 4x - 3= 2x + 9<br>C. 6x + 3 = 2x + 8​
Elena L [17]

Answer:

a) x=2

b)x=12

c)x=5/4

Step-by-step explanation:

a)5x-2=8

5x=8+2

5x=10

x=2

b)4x-3=2x+9

4x-2x=9+3

2x=12

x=6

c)6x+3=2x+8

6x-2x=8-3

4x=5

x=5/4

Proof:

a)5x-2=8

5(2)-2=8

10-2=8

8=8

b)4x-3=2x+9

4(12)-3=2(12)+9

48-3=24+9

45=45

c)6x+3=2x+8

6(5/4)+3=2(5/4)+8

30/4+3=10/4+8

15/2+3=5/2+8

10.5=10.5

Hope this helps ;) ❤❤❤

4 0
3 years ago
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Archy [21]

Answer:

1/72=x (part a)

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Step-by-step explanation:

Divide 1 by 72 for part a, and divide 1 by 70 for part b.

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Answer:

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