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timofeeve [1]
3 years ago
7

5. Add or subtract

Mathematics
1 answer:
Tresset [83]3 years ago
6 0
5. (M^2 - m +3) + (m +1) =
 (m^2) (- m + m) + (3 + 1) =
 m^2 + 4
Either your options are wrong or you might have put the wrong sign somewhere?

6. <span>(5x^2 + x - 3) - (-2x^3 + 4) =
 (- 2x^3) + (5x^2) + (x) - (3 +4) =
 -2x^3 + 5x^2 + x + 1
Answer: B)</span>
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Morgarella [4.7K]

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C) (x-3)(x+3)

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Just a tip there is an app called Desmos where you can put in equations like this and it will graph them for you.

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Answer: It equals 8.

Step-by-step explanation:

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A flatbed truck is being loaded with steel girders weighing 1825 lbs each. How much will 15 of these girders weigh, combined?
saw5 [17]
I think I know how it's done!

You need to multiply 1825 by 15. You may want to show the work in this one.

1825•15 = 27,375

Thus, the truck will be loaded with 27,375 lbs of steel girders.

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What’s the answer to this question?
Alekssandra [29.7K]

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