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Semmy [17]
3 years ago
6

Simplify (5x2 + 3x + 4) + (5x2 + 5x − 1).

Mathematics
1 answer:
Vlad1618 [11]3 years ago
3 0

Answer:

<em>=10x^2+8x+3</em>

Step-by-step explanation:

Lets simplify step by step.

=5x^2+3x+4+5x^2+5x+-1

Combine like Terms.

=5x^2+3x+4=5x^2+5x=-1

=(5x^2+5x^2)+(3x+5x)+(4+-1)

=10x^2+8x+3

<u><em>=10x^2+8x=3</em></u>

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Answers:

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Step-by-step explanation:

When rounding, look at the digit that is ls to the right beside the digit in the place value to round to. If the number is greater than or equal to 5, round the digit in the place value to round to up one. If it is less than 5, do not. Let's look at some examples.

EXAMPLE 1:

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23.<u>1</u>23 tenths place is underlined

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ANSWER TO EXAMPLE 1: 23.1

EXAMPLE 2:

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Now, let's examine yours, now that we know how to round

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The bold number is a 6, which is greater than 5, so the underlined number increases by 1.

ANSWER TO QUESTION: 17.5

Hope this helped :)

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Step-by-step explanation:

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