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GarryVolchara [31]
3 years ago
8

Add and subtract polynomials

Mathematics
1 answer:
ziro4ka [17]3 years ago
4 0

Answer: 8w^2-7w+7

Step-by-step explanation:

x=7w^2+4w-6\\y=w^2-11w+13\\x+y=?

7w^2+4w-6+w^2-11w+13

8w^2-7w+7

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2x + 3 = 5 x = plz answer thank you
posledela

x=1

explaination:

2x+3=5x

Subtract 5x from both sides.

2x+3−5x=0

Combine 2x and −5x to get −3x.

−3x+3=0

Subtract 3 from both sides. Anything subtracted from zero gives its negation.

−3x=−3

Divide both sides by −3.

x=  

−3

−3

​

 

Divide −3 by −3 to get 1.

x=1

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2 years ago
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How do you solve this
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Answer:


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The equation y = 1.9 x can be used to determine the total weight in pounds, y, of the number of paperback books in the first pri
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3 years ago
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The volume is 120.9 in. What is the missing dimension (X)
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X = 2.5 in

Step-by-step explanation:

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I could use some help doing this simple math problem lol.
alexira [117]
D:k-9\geq 0 \wedge k\geq0\\
D:k\geq 9 \wedge k\geq0\\
D:k\geq 9\\
\sqrt{k-9}-\sqrt k=-1\\
\sqrt{k-9}=-1+\sqrt k\\
k-9=(-1+\sqrt k)^2\\
k-9=1-2\sqrt k+k\\
2\sqrt k=10\\
\sqrt k =5\\
k=25


7 0
3 years ago
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