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melamori03 [73]

3 years ago

15

A library normally collected $39.00 in fees a month.But in march they collected $54.60 What is the percent increase in the numbe

r of fees collected in march?

1 answer:

nevsk [136]3 years ago

6 0

Answer:

28.6% increased

Step-by-step explanation:

54.60-39=15.6

15.60x100=1560

1560/54.60=28.6%

(not exactly, but I roundie)

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Answer:

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Hello, please find below my work.

$2x^2+x-4=0\\\\\text{*** divide by 2 both sides ***}\\\\x^2+\dfrac{1}{2}x-2=0\\\\\text{*** complete the square ***}\\\\x^2+\dfrac{1}{2}x-2=(x+\dfrac{1}{4})^2-\dfrac{1^2}{4^2}-2=0\\\\\text{*** simplify ***}\\\\(x+\dfrac{1}{4})^2-\dfrac{1+16*2}{16}=(x+\dfrac{1}{4})^2-\dfrac{33}{16}=0$

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Hope this helps.

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