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marysya [2.9K]
3 years ago
11

Moira solved a problem on the board. What error did Moira make and how can she correct it?

Mathematics
1 answer:
iren [92.7K]3 years ago
4 0

Answer:

you need to tell us what error she made first then you would find another way to solve the problem and look at all the posiibiltys

Step-by-step explanation:

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Fast forward to the moment after the two outermost recursive calls complete, but before the final Merge step. Thinking of the tw
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3 years ago
What is the solution to the equation -3d/a^2-2d-8 + 3/d-4 = -2/ d+2
Alex73 [517]

Answer:

d=1

Step-by-step explanation:

\frac{-3d}{d^2-2d-8} +\frac{3}{d-4} =\frac{-2}{d+2}

Lets factor the denominator d^2 -2d-8

d^2 - 2d - 8 = (d-4)(d+2)

\frac{-3d}{(d-4)(d+2)} +\frac{3}{d-4} =\frac{-2}{d+2}

Now make the denominators same

LCD: (d-4)(d+2)

\frac{-3d}{(d-4)(d+2)} +\frac{3(d+2)}{(d-4)(d+2)} =\frac{-2(d-4)}{(d+2)(d-4)}

Denominators are same on both sides

So equate the numerators

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6 = -2d + 8

subtract 8 on both sides

-2 = -2d

So d=1




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3 years ago
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