4 years ago

Simplify -a^2(9a^2+4)+8a^4

1 answer:

3 0

−a4−4 a2 is the answer for your question.

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Step-by-step explanation: "Think outside of the box." as they say.

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3 years ago

I have another question which expression shows 4 divided by the expression 468-466?

azamat

Answer is 4/(468-466)

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3 years ago

Read 2 more answers

Simplify the expression b - 7 + b - 8

natulia [17]

Answer:

2b - 15

Step-by-step explanation:

b - 7 + b - 8

You combined the two b's correctly, but didn't combine the two constants, -7 and -8.

Those combine to -7 + (-8) = -7 - 8 = -15, so the final answer is

2b - 15

you have -7 and are subtracting 8 more, so you are moving 8 units left on the number line, so it has to get more negative.

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3 years ago

The width of a rectangle is 5 times the length. If the perimeter is 72, find the dimensions of the rectangle.

larisa [96]

Answer:

l=6

b=30

Step-by-step explanation:

b=5l

perimeter= 72

2(l+b)= 72

l+b= 36

l+5l= 36

6l= 36

l= 6

b=5l= 6*6= 30

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3 years ago

Tom and Philip were given the graph of a linear function and asked to find the slope. Tom says that the slope is

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