3 years ago

Hi I hope you can help me!plz I need an answer

Mathematics

1 answer:

soldi70 [24.7K]3 years ago

3 0

Answer:

Its #1

Step-by-step explanation:

F(-3)=-2(-3)^2+3

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Answer:

67 $\sqrt{2}$

Step-by-step explanation:

Assuming you require to simplify the expression.

Using the rule of radicals

$\sqrt{a}$ × $\sqrt{b}$ ⇔ $\sqrt{ab}$

Simplifying the radicals

$\sqrt{72}$ = $\sqrt{36(2)}$ = $\sqrt{36}$ × $\sqrt{2}$ = 6 $\sqrt{2}$

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Then

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Dairon needs 20 pieces of string 3/8 inch in length. He cut a 4 7/8 inch piece of string into pieces that are 3/8 of an inch lon

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