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Stells [14]
3 years ago
12

What is the least common multiple of 21 and 30?

Mathematics
2 answers:
Blizzard [7]3 years ago
5 0

I think The answer is 210

Arisa [49]3 years ago
3 0
Answer should be 210
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If 1/2x+1/3=4 What is the value of 3x+2y
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Answer:

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Step-by-step explanation:

1/2x+1/3=4

=>1/2x=4-1/3

=>1/2x=(12-1)/3

=>1/2x=11/3

=>22x=3

=>x=3/22....(1)

then,

3x+2y

2y=-3 . (3/22)

y=-9/44

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The numerator and denominator  must be polynomials  so 

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