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igor_vitrenko [27]

2 years ago

13

3.) Simplify the expression by combining like

1 answer:

Evgesh-ka [11]2 years ago

3 0

$45s^2-19-s^2+16\\=45s^2-s^2-19+16\\=s^2(45-1)-19+16\\=44s^2+(-19+16)\\=44s^2-3$

Hope that helps and hope you get better!

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At a grocery store salted peanuts in the Shell cost $0.30 per ounce is $5 enough money to buy one lb of peanuts if it is what am

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Yes it will be and there will be 50 cents over

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3 years ago

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Find the sum of the arithmetic series in which a1 = –68, d = –3, and n = 20.

harkovskaia [24]

Step-by-step explanation:

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2 years ago

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Hope this helped!

6 0

2 years ago

(x+3)^2 = x^2-3(1-x)

Oxana [17]

(x+3)(x+3) = x^2 -3 + 3x
x^2 + 3x + 3x + 9 = x^2 + 3x - 3
x^2 + 6x + 9 = x^2 + 3x - 3
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3x = -12
x = -4

Check:
(-4+3)^2 = (-4)^2 - 3(1+4)
(-1)^2 = 16 - 3(5)
1 = 16-15
1 = 1 :)

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2 years ago

What is the answer to 3×+9=42

Tomtit [17]

Answer:

11

Step-by-step explanation:

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3 years ago

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