3 years ago

Partial products and regrouping diferences

Mathematics

1 answer:

Maslowich3 years ago

8 0

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the ratio of white pens to green pens is 2 to 8. how many green pens are there if there are 18 white pens?

NISA [10]

There are 72 green pens.

There is 9 times as many white pens from 2 to 18, so there has to be 9 times as many green pens because of the ratio. 9 times 8 is 72.

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3 years ago

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Nesterboy [21]

Answer in the attachment.

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Connor is splitting of ice cream with members of the team. If the ice cream is split evenly, how many will each person get? Ex

saveliy_v [14]

Answer:

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Step-by-step explanation:

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3 years ago

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3 years ago

This is confusing<br> (2x+y)^2−(x−2y)^2

Iteru [2.4K]

Answer:

${(2x + y)}^{2} - {(x - 2y)}^{2}$

$< {(x + y)}^{2} = {x}^{2} + 2xy + {y}^{2} >$

$< {(x - y)}^{2} = {x}^{2} - 2xy + {y}^{2} >$

${(2x)}^{2} + 2(2x)(y) + {(y)}^{2} - {(x)}^{2} - 2(x)(2y) + {(2y)}^{2}$

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${4x}^{2} - {x}^{2} + {4y}^{2} + {y}^{2}$

$= {3x}^{2} + {5y}^{2}$

5 0

3 years ago

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