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In-s [12.5K]
3 years ago
15

Cual expresion es equivalente a 5n+8 when n is equal 2

Mathematics
1 answer:
FromTheMoon [43]3 years ago
7 0
If n is 2, you substitute 2 for n and multiply 5(2)+8= 10 +8 = 18
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♥️♥️♥️♥️♥️♥️♥️♥️♥️♥️♥️♥️♥️♥️

(9x + 17) +2 \times  ( 5x + 15 ) + (6x - 12) = 360 \\

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Collect like terms

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Divide sides by 25

\frac{25x}{25}  =  \frac{325}{25}  \\

x = 13

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RQ  \:  \: arc =2 \times (5x + 15)

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RQ  \:  \: arc = 10(13) + 30

RQ  \:  \: arc = 130 + 30

RQ \:  \:  arc = 160°

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