3 years ago

There arw 8 pencils in a package how many packages will be needed for 28 students if wach child gets 4 pencils

Mathematics

1 answer:

Tanya [424]3 years ago

6 0

You will need 14 packages

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lesya [120]

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3 years ago

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Factor -7x3 + 21x2 + 3x - 9 by grouping. What is the resulting expression?

irga5000 [103]

Answer:

$(x-3)(-7x^2+3)$ is the resulting expression after grouping

Step-by-step explanation:

Given:

$-7x^3+21x^2+3x-9$

Now taking common $-7x^2$ from 1st 2 numbers and and 3 common from last we get

$-7x^2(x-3)+3(x-3)$

Now taking x-3 common from both numbers we get

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3 years ago

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RSB [31]

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Step-by-step explanation:

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3 years ago

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mestny [16]

Step-by-step explanation:

3x² + 22x + 35 = 0

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3x + 7 = 0

x = -7/3

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3 years ago

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Lynna [10]

Answer:

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Step-by-step explanation:

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