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Nastasia [14]
3 years ago
6

Which algebraic expression models the given word phrase 10 times the sum of a and b?

Mathematics
2 answers:
Phoenix [80]3 years ago
8 0
In this case, the answer would be 10(a+b).  We are multiplying 10 * a + b.  Hope this helps you and satisfies your query.  Feel free to ask more questions.
CaHeK987 [17]3 years ago
4 0

Answer:

10(a+b)

Step-by-step explanation:

We are asked to write an algebraic expression for the given word phrase.

The sum of 'a' and 'b' would be a+b.

10 times the sum of 'a' and 'b' would be 10 multiplied by sum of both 'a' and 'b': 10(a+b)

Therefore, our required algebraic expression would be 10(a+b).

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Choice D

Step-by-step explanation:

For this one I would find if the point lands on the line.

<em><u>Choice A:</u></em>

What we have to do is to plug in -4 for x and 4 for y.

y=2x+10\\(4)=2(-4)+10\\4=-8+10\\4\ne2

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<em><u>Choice B:</u></em>

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y=\frac{1}{3}x+1\\(4)=\frac{1}{3}(-4)+1\\(4)=-\frac{4}{3}+1\\4\ne-\frac{1}{3}

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<em><u>Choice C:</u></em>

We pug in what we know again.

y=3x-9\\(4)=3(-4)-9\\(4)=-12-9\\4\ne-21

The point is not on this line so it can't be it.

The next one has to be it, but we'll check it just in case.

<em><u>Choice D:</u></em>

We plug in what we know again.

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Length x Width

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