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ollegr [7]
3 years ago
9

Explain how you know 7(2 - 3n) and (2 - 3n) x 7 are equivalent expressions.​

Mathematics
1 answer:
iogann1982 [59]3 years ago
5 0

Answer:

When you distribute the 7 to each set you get 14-21n and 14-21n

Step-by-step explanation:

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What is 7x+5y=-12-7x−7y=14
kramer

Answer:

x=1/14 and y=1/12

Step-by-step explanation:

7x+5y+12+7x+7y=14

⇒14x+12y=2

and set x and y in 0

then you will have 14*(1/7)=2 and 12*(1*6)=2

and you want somthing that makes x + y =2

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that is if i did noy misunderstanding the question

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3 years ago
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What is the volume of a cylinder, in cubic centimeters, with a height of 8 centimeters
Arisa [49]

Answer:

1608.5 cm³

Step-by-step explanation:

Use the cylinder volume formula, V = \pir²h

If the diameter is 16 cm, then the radius is 8 cm.

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V = \pir²h

V = \pi(8)²(8)

V = \pi(64)(8)

V = 1608.5

So, to the nearest tenth, the volume of the cylinder is 1608.5 cm³

6 0
3 years ago
Can synthetic division always be used instead of polynomial long division?
Inessa05 [86]

Yes, there is an expanded algorithm for synthetic division involving nonlinear and non-monic divisors (check out the w.i.k.i.pedia page on "synthetic division", under the "Expanded sythetic division" section).

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3 years ago
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Answer:

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3 0
3 years ago
What is the answer to 2 1/4 x 3 1/9
vlada-n [284]
2 1/4 times 3 1/9

Make the fractions into decimals

So now it’s 2.25 times 3.11...

Multiply that to get 6.99 but since the 3.11... is a repeated sequence you would round it to 7, which is your answer!
3 0
3 years ago
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