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2 years ago

11

li making beaded necklaces. For each necklaces,she uses 27 spacers plus 5 beads per inch necklaces lenght. Write an equation to

find how many beads li needs for each necklaces

1 answer:

Lana71 [14]2 years ago

4 0

I think it is x= 27+5y

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Answer with Explanation please! Thank you!

Anna [14]

Answer:

The answer is D.

Step-by-step explanation:

First you have to get rid of brackets by expanding :

$3 {q}^{2} + {r}^{3} + 5r - 8q + 2( {q}^{2} + r)$

$= 3 {q}^{2} + {r}^{3} + 5r - 8q + 2 {q}^{2} + 2r$

Next you have to simplify by collecting like terms :

${r}^{3} + 3 {q}^{2} + 2 {q}^{2} + 5r + 2r - 8q$

$= {r}^{3} + 5 {q}^{2} - 8q + 7r$

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C is the answer to this

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