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garik1379 [7]
3 years ago
6

If a=-2, then (3a)^2=

Mathematics
2 answers:
tino4ka555 [31]3 years ago
6 0
(3a)^2

=12

the answer is 12

Aliun [14]3 years ago
4 0

Answer:

I think it's 12.

Step-by-step explanation:

3(-2)^2 in a calculator give you 12

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Answer:

b

Step-by-step explanation:

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Katarina [22]

Answer:

Step-by-step explanation:

Explicit formula of the sequence,

A_n=59+11n

A_1=59+11(1)

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A_2=59+11(2)

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In a certain​ chemical, the ratio of zinc to copper is 3 to 17. A jar of the chemical contains 799 grams of copper. How many gra
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Answer:

let's see what to do buddy...

Step-by-step explanation:

\frac{zinc}{copper} =  \frac{3}{17} \\  \\  \frac{zinc}{799} =  \frac{3}{17}

Multiply the sides of the equation by 799

zinc =  \frac{3}{17} \times 799 \\ \\ zinc =  \frac{3}{17} \times 17 \times 47 \\ \\  zinc = 3 \times 47 = 141

So A jar of the chemical contains 141 grams of <em><u>zinc</u></em>.

And we're done.

Thanks for watching buddy good luck.

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3 0
3 years ago
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