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Sphinxa [80]
2 years ago
14

Simplify the expression: 7x2–5x2 i need the answer quickly

Mathematics
2 answers:
soldier1979 [14.2K]2 years ago
5 0

Answer:

2x^2

Step-by-step explanation:

combine like terms, and do the subtraction!

exis [7]2 years ago
3 0

Answer:

2x^2

Step-by-step explanation:

7x^2-5x^2 is equal to 2x^2 because they have the same degree, they are able to be added and subtracted.

If this has helped you please mark as brainliest

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Step-by-step explanation:

it is very simple, once you remember that "kilo" means 1000, "mili" means 1/1000, and "centi" means 1/100.

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"deci" means 1/10.

and therefore 1 dm = 100 mm, 1dg = 100 mg.

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2.

1.429 g = 1.429/1000 = 0.001429 kg

3.

287 g = 287/1000 = 0.287 kg

4.

4.6 L = 4.6×1000 = 4600 mL

5.

0.119 L = 0.119×1000 = 119 mL

6.

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8.

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4 0
1 year ago
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Step-by-step explanation:

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8 0
2 years ago
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Answer:

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Step-by-step explanation:

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Alex787 [66]
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