3 years ago

Math help please? w/ only two questions.

1 answer:

3 0

Maybe: 1. When I play basketball i wear cletes. 2. If a quadrilateral figure has four right angles then it is a square <span> </span> my best guess. Let me know if it helps

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What is <br><img src="https://tex.z-dn.net/?f=12%20%7B%3F%7D%5E%7B2%7D%20%20%5C%5C%20" id="TexFormula1" title="12 {?}^{2} \\ "

marin [14]

$a^n=\underbrace{a\cdot a\cdot a\cdot ...\cdot a}_{n}\\\\12^2=\underbrace{12\cdot12}_{2}=144$

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3 years ago

What is the product? <br><br><br> 4•(-9)•(-3)•(-1)

kolbaska11 [484]

Answer:

-108

Step-by-step explanation:

just multiply the numbers. it will be negative because there is odd number of negative sign so the profuct would be negative

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3 years ago

HELP PELASE!!!!!!!! THESE ARE DUE SOON and a grade

likoan [24]

Answer: 6,400 Explanation: there is 3200 ounces in one ton so i took that and divided it by 5

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2 years ago

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-8(2b-7)-9(b-5)<br>simplify

GenaCL600 [577]

Answer:

Step-by-step explanation:

$-8(2b-7)-9(b-5)\qquad\text{use the distributive property:}\ a(b+c)=ab+ac\\\\=(-8)(2b)+(-8)(-7)+(-9)(b)+(-9)(-5)\\\\=-16b+56-9b+45\qquad\text{combine like terms}\\\\=(-16b-9b)+(56+45)\\\\=-25b+101$

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2 years ago

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Maria has the following numbers of books in her collection.

Ket [755]

Answer:

The average goes up by 0.6.

Step-by-step explanation:

The average of the original data set, 6,6,7,8,9 is 7.2. The average of the new data set with 3 more cookbooks 6,7,8,9,9 is 7.8. Therefore it increases by 0.6, hope that makes sense :)

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2 years ago