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3 years ago

Simplify 15 + 6(x + 1).

2 answers:

6 0

15 + 6(x + 1)

First, expand to get rid of parentheses.
$15 + 6x + 6$
Second, simplify. Keep your 6x and add 15 + 6.
$6x + 21$

Answer: 6x + 21

otez555 [7]3 years ago

4 0

First you use the distrbutive property and multiply 6 by x and 6 by 1 then you get 15 + 6x + 6 now add 15 and 6 together and you get 21 + 6x as your answer

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$\begin{aligned}\implies \textsf{Arc length} & =r \theta\\& = 15\left(\dfrac{5 \pi}{8}\right)\\& = \dfrac{75}{8} \pi \\& = 29.45\: \sf cm\:(2\:dp)\end{aligned}$

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