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3 years ago

manny buys 4 boxes of straws for his restaurant. there are 500 straws in each box. how many straws does he buy?

Mathematics

1 answer:

horrorfan [7]3 years ago

3 0

4 boxes with 500 straws each one

4 x 500 = 2000

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Expand 4a² - 1

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Express (2a)² - 1² as a difference of two squares

Difference of two squares is such that: $a^2- b^2= (a+b)(a-b)$

The expression becomes

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$\frac{(2a + 1)^2}{5*10a}$

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Hence,

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