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mario62 [17]
3 years ago
11

If 4/7 = 12 /? , then ? = a) 7 b) 14 c) 21 d) 28

Mathematics
1 answer:
posledela3 years ago
8 0

Answer:

21

Step-by-step explanation:

Multiply by 3 and find out.

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Step-by-step explanation:

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3 years ago
PLEASE HELP For what value of the variable will the value of 2x+1 be 20 greater than 8x+5?
wlad13 [49]

It will be a negative.

for an example: -20 for x would mqke 2x + 1 into -39 and 8x + 5 into -155. that's 116 apart, so maybe -2(8) + 5 = -11

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but that's only 8 apart, so it'd be higher.

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BOOM

Tadaaaa,

You probably thought positive, but sometimes it's negative, you know what I mean?

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Answer:

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Step-by-step explanation:

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3 0
3 years ago
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ddd [48]

Answer:

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Step-by-step explanation:

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