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Alchen [17]
3 years ago
15

In a survey, 85% of those who responded to a survey were over 40 and voted in this last election. If the population of a town wa

s 15,000, how many people were over 40 and voted?
Mathematics
1 answer:
Advocard [28]3 years ago
5 0

we want to in 85% of the total population

percent means parts out of 100 so 85% is 85/100

85% 'of' 15000 means 85/100 times 15000=12750 people who were over 40 and voted

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10. 9

In the first question we can solve using the Pythagorean theorem. It states that the hypotenuse in a right triangle or the longest side of the triangle, squared is equal to the other 2 sides, squared. Its expressed as so: C^2 = A^2 + b^2 where c is the hypotenuse and a and b are the other sides oft eh triangle.

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__________________________________________________________

11. x=12

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__________________________________________________________

12.

The diagnol of a triangle is the hypotenuse and since the length is the square root of 3, we have all the information we need.

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