2 years ago

15 : The world population in 2010 was approximately 6.92 billion.

Mathematics

1 answer:

Viefleur [7K]2 years ago

7 0

A number that can be written

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In 2003, the population of an African country was about 22.5 million people, which is 2 million more than 5 times the population

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Population in 1950 was 4,100,000

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Equation: 5x + 2,000,000 = 22,500,000

Subtract 2,000,000 from each side: 5x = 20,500,000

Divide each side by 5: x = 4,100,000

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An equation is 92 + 2x = 180.

The congruent angles each measure 44°.

Step-by-step explanation:

1. If two angles in a triangle are congruent and unknown, we can represent that as 2x. That means 92 + 2x = 180.

2. To find the measure of each congruent angle, x, we have to solve the equation above.

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