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KatRina [158]
3 years ago
13

Please help show all work thank you

Mathematics
1 answer:
timama [110]3 years ago
4 0
To start off, let's cross-multiply this proportion. We get the following:

15a=8b

Now, divide both sides by 8

\frac{15a}{8}=b

Now, divide both sides by 15

\frac{a}{8}=\frac{b}{15}

That's your answer. Hope this helps! :)
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If ab= 7x-6 and bc= 12-2x. Then what does ac equal?
ra1l [238]
Ab = (7x-6) →   b = (7x-6)/a   (1)

bc = (12-2x) → b = (12-2x)/c   (2)

Since (1) = (2) → (7x-6)/a = (12-2x)/c OR  a/c = (7x-6)/(12-2x)  (3)

Multiply  both numerators of (3) by the SQUARE of their  respective denominators;

(a*c²)/c = (7x-6)(12-2x)²/(12-2x)
Now simplify:

ac = (7x-6)(12x-2x)  or ac = -14x² + 96x - 72


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Answer:ed

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Answer:

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