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Elodia [21]
3 years ago
6

2 times the sum of 3 and 6z

Mathematics
2 answers:
kirza4 [7]3 years ago
8 0
3 times 6 is 18, add a z would be 18z. 2 times that amount would be 18z times 2, which is 36. Add a z is 36z.
~Silver
IgorC [24]3 years ago
3 0
2 x (3+6z) = 6 +12z

This is how you do it
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3 years ago
Alex, Bob, and Claudia split 126 cm wire evenly among themselves. They then proceeded to cut their pieces of wire into smaller,
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<h3>Answer:</h3>
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<h3>Step-by-step explanation:</h3>

If Alex cut his wire 18 times, he ended up with 19 equal pieces. He kept 7, so has 7/19 of his 1/3 of the wire.

Bob cut his wire 20 times, so ended up with 21 pieces, of which he kept 9. So he has 9/21 = 3/7 of his 1/3 of the wire.

Claudia kept 1/13 of her 1/3 of the wire, so has the smallest piece.

Bob kept (3/7)·(1/3)·126 cm = 18 cm.

Alex kept (7/19)·(1/3)·126 cm ≈ 15.47 cm.

Bob kept the longest part of the original wire.

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3 years ago
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2 years ago
Two containers designed to hold water are side by side, both in the shape of a
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