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xxTIMURxx [149]
4 years ago
13

What does x equal in the equation -2.3x-4.2x=-66.3

Mathematics
1 answer:
OlgaM077 [116]4 years ago
7 0
3.2 because I used my calculator which is all you need to do for this problem and I just answered the question on my quiz
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3 years ago
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5 0
3 years ago
9/10 = z/8 round to the nearest tenth
jeka57 [31]
9/10 = z/8

cross multiply

9/10(10)(8) = z/8(8)(10)

9(8) = z(10)

72 = 10z

Isolate the z, divide 10 from both sides

72/10 = 10z/10

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4 0
3 years ago
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5 0
4 years ago
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Lizzie played tennis for 2 2/3 hours. Andrew played tennis for 1 1/3 hours. How much longer did Lizzie play tennis than Andrew?
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