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DanielleElmas [232]

3 years ago

11

54,000 families have incomes less than $20,000 per year. This number of families is 60% of the families that had this income lev

el 12 years ago. What was the number of families who had incomes less than 20,000 per year 12 years ago?

1 answer:

tangare [24]3 years ago

4 0

54000/.6= 90000, so answer should be 90,000

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Pythagorean theorem
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a^2+b^2=c^2

the legnht of th eladder is the hypotnuse
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b=?
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9+b^2=100
minus 9 both sides
b^2=91
sqrt both sides
b=√91
aprox
b=9.53939

answer is √91 feet or aprox 9.53939

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Step-by-step explanation:

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