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Marina86 [1]
4 years ago
8

If Brian biked at an average speed of 12.2 miles per hour for 1.45 hours, you can find the total distance by multiplying

Mathematics
1 answer:
bija089 [108]4 years ago
6 0

I got the answer wrong and couldn't delete it.

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3 years ago
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Subtract. 5x^2-5x+1-(2x^2+9x-6)
Talja [164]
<h2>Hello!</h2>

The answer is:

3x^{2} -14x+7

<h2>Why?</h2>

To solve the problem we need to add/subtract like terms. We need to remember that like terms are the terms that share the same variable and the same exponent.

For example, we have:

x^{2} +2x+3x=x^{2} +(2x+3x)=x^{2}+5x

We have that we were able to add just the terms that were sharing the same variable and exponenr (x for this case).

So, we are given the expression:

5x^2-5x+1-(2x^2+9x-6)=5x^{2}-2x^{2}-5x-9x+1-(-6)\\\\(5x^{2}-2x^{2})+(-5x-9x)+(1-(-6))=3x^{2}-14x+7

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3x^{2} -14x+7

Have a nice day!

4 0
4 years ago
What is the easiest way to re learn ratios
enot [183]

Answer:

Step-by-step explanation:

Ratios are no different from fractions. They are "comparisons" of 2 or more things. Instead of fraction bars, they use colons to separate 2 different things.

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2 years ago
Answer this please its for math and its a test that could bring up my grade from a F
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Answer:

4.10

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6. B.

7. B.

8. A.

Step-by-step explanation:

I believe this would be it. Hoped this helped!

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3 years ago
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