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2 years ago

12

(4 - x)(3+ 2x) = ....................

1 answer:

Norma-Jean [14]2 years ago

8 0

Answer:

-2x^2+5x+12

Step-by-step explanation:

(4-x)(3+2x)

12-3x+8x-2x^2

12+5x-2x^2

-2x^2+5x+12

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Answer:

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Step-by-step explanation:

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3 years ago

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Nora paid 36$ for 6 books. if each book cost the same amount, how much was each book?

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3 years ago

A rectangle has a perimeter of 102 ft and a length of 40 ft. Find the width of the rectangle.

vagabundo [1.1K]

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3 years ago

7 + (10 − 4)2 ÷ 4 × 1\8

natta225 [31]

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3 years ago

Using this formula l=A 1/2 what is the length of one side of a square with an area of 1,936 square kilometers? (A is the area of

Vera_Pavlovna [14]

<u>c.)44 kilometers</u>

Answer:

Solution given:

let

length =L

and

Area =A

Now

we have

Area [A]=1936 square kilometers

now

As we know that

Area of square :length *length

A=l*l

A=l²

Substituting value of A

1936=l²

doing square root on both side

$\sqrt{1936}=\sqrt{l²}$

we get

l= $\sqrt{2*2*2*2*11*11}$

l=2*2*11

l=44 kilometers

So

<u>the length of one side of a </u><u>square</u><u> </u><u>is</u><u> </u><u>4</u><u>4</u><u> </u><u>kilometers</u><u>.</u><u />

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2 years ago