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Hatshy [7]
3 years ago
10

Need help might be easy for you

Mathematics
2 answers:
garri49 [273]3 years ago
7 0
SA of rectangular prism can be found using the formula:

SA = 2(lw + hw + hl)
SA = 2(12*8 + 5*8 + 5*12)
SA = 2(196)
SA = 392 in²

Hope this helps :)
Fiesta28 [93]3 years ago
6 0
8*5=40
8*5=40
12*5=60
12*5=60
12*8=96
12*8=96
Now add the products up.
80+120+96+96
392 is the answer. Hope this helps. (it is C.)
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3 years ago
Rachel and her friends are making necklaces out of beads and straws. They plan to use 12 beads and 5 straws for each necklace. T
bagirrra123 [75]

Answer:

225 necklaces.

Step-by-step explanation:

Assuming that they have the necessary amount of straws to match the beads then we can use the following simple equation to solve this problem.

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For 225 necklaces you would also need 1125 straws since each necklace requires 5 straws to be fully made. Therefore if you have this amount you should not run into any problems.

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