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Art [367]
3 years ago
12

What value of x satisfies the equation x + 3 = -(x + 1)? a. x = 8

Mathematics
1 answer:
ludmilkaskok [199]3 years ago
8 0

Answer:

-2

Step-by-step explanation:

x + 3 = -(x + 1)

open the bracket

x + 3 = -x -1

x+x= -1-3

2x= -4

X = -4/2= -2

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Answer:

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Step-by-step explanation:

x=1 and y=-3

so 3x^2 + y = 3*1^2 + (-3)

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<em><u>Substitute h in</u> 2-6h</em>

2-6h=

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<em>Answer: 20</em>

6 0
3 years ago
Solve x2 – 10x + 25 = 35 for x.
Galina-37 [17]

x^2-10x+25=35\\\\x^2-2\cdot5\cdot x + 5^2=35\ \ \ |\text{use:}\ (a-b)^2=a^2-2ab+b^2\\\\(x-5)^2=35\to x-5=\pm\sqrt{35}\ \ \ |+5\\\\\boxed{x=5-\sqrt{35}\ \vee\ x=5+\sqrt{35}}


\text{other method}\\\\x^2-10x+25=35\\\\x^2-5x-5x+25=35\\\\x(x-5)-5(x-5)=35\\\\(x-5)(x-5)=35\\\\(x-5)^2=35\\.....

3 0
4 years ago
The table shows how to change miles to kilometers. Divide kilometers by miles for each of the four mileage numbers. How many kil
77julia77 [94]
There are 1.609344 kilometers per mile.
4 0
3 years ago
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There are around 6,678,000 households with pet rabbits in the United States. There are about 126.2 million households in the U.S
Ksju [112]

Answer:

C

Step-by-step explanation:

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