2 years ago

Help please i dont get it

Mathematics

1 answer:

Slav-nsk [51]2 years ago

5 0

I believe it might be 2.

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Step-by-step explanation:

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Which will result in a difference of squares?

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Expanding the given expressions using Foil:

1)(–7x + 4)(–7x + 4) = $7x^{2}-28x-28x+16=49x^{2}-56x+16$

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3)(–7x + 4)(–7x – 4)= $49x^{2}+28x-28x-16$ = $49x^{2}-16.$

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The third option that is (–7x + 4)(–7x – 4) is difference of two squares.

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2 1/2 cups

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3 dozen muffins = 1 1/2 cups

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C=3h+4f+3p solve for f

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1:40 because if we think of this just like a fraction $\frac{3}{120}$ that simplifys down to $\frac{1}{40}$ and because fraction simplifications are similar (related to each other) we can concur that these would be too.

Enjoy!=)

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