3 years ago

7th grade help me plzzzzz

Mathematics

1 answer:

Gekata [30.6K]3 years ago

4 0

Answer:

fifteen, "number sentence"

Step-by-step explanation:

5 + 5 +5 = 15

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Expand and combine like terms. (4b^2+ 3) (4b^2- 3) = 1 SEE ANSWER

krok68 [10]

Answer:

Step-by-step explanation:

(4b^2+3)(4b^2-3)

since it is the expanded form of formula a^2-b^2=(a+b)(a-b) we can write,

=(4b^2)^2-(3)^3

=16b^4-9

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2 years ago

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3 years ago

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zhuklara [117]

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3 years ago

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irakobra [83]

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Step-by-step explanation:

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3 years ago

Read 2 more answers

If the perimeter of the top of desk is 54 inches the length of the desk is

allsm [11]

Formula: $2width+2length=perimeter$

$length=15inches$

$width=?$

$Perimeter=54inches$

$2*15=30$ (There are two sides for the length)

$54-30=24$

$24/2=12$ (There are two sides for the width)

The width of the desk is 15 inches

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-Geekhawk

4 0

3 years ago