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3 years ago

Simplify and justify steps 4(a+2b)=3(2a-b)+6a-7b

1 answer:

6 0

4( a + 2b ) = 4a + 4*(2b) = 4a + 8b;
3( 2a - b ) = 3*(2a) - 3b = 6a - 3b;
3( 2a - b ) + 6a - 7b = 6a - 3b + 6a - 7b = 6a + 6a -3b -7b = 12a - 10b;
Finally, 4a + 8b = 12a - 10b;
8b + 10b = 12a - 4a;
18b = 8a ;
9b = 4a.

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Answer:

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Step-by-step explanation:

This question can be solved by a rule of three.

a mother otter is fed 7 fish for every 2 fish for its cub

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2 - 7

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Step-by-step explanation:

It is given that the triangle ABC is dilated to produce triangle A'B'C' with scale factor 3/4.

If a figure is dilated then preimage and image are similar.

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If scale factor is 1, then preimage is congruent to the image.

We know that

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$0$

Therefore, the ΔA'B'C' is a reduction of ΔABC and ΔA'B'C' is similar to ΔABC.

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Step-by-step explanation:

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