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Gelneren [198K]
3 years ago
13

What are the solutions to x2 + 8x + 7 = 0?

Mathematics
1 answer:
nikitadnepr [17]3 years ago
5 0

Answer:

x= -1 and x= -7

hope it helps.

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What is the solution to this equation 5x -8(x + 5)= 6-3x
Solnce55 [7]

Answer:

no solution

Step-by-step explanation:

5x - 8(x + 5) = 6 - 3x

Remember to follow PEMDAS. Note the equal sign, what you do to one side, you do to the other.

First, distribute -8 to all terms within the parenthesis

-8(x + 5) = (-8)(x) + (-8)(5) = -8x - 40

5x - 8x - 40 = 6 - 3x

Isolate the variable (x). Add 3x & 40 to both sides

5x - 8x (+3x) - 40 (+40) = 6 (+40) - 3x (+3x)

5x - 8x + 3x = 6 + 40

Simplify. Combine like terms

(5x - 8x + 3x) = (6 + 40)

0 = 46 ; False 0 ≠ 46 ∴ no solution is your answer

~

8 0
3 years ago
Round 637.892 to whole number
Stels [109]

Answer:

638

Step-by-step explanation:

its 638, not 639 because its above 638.5

4 0
3 years ago
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Can someone help me on this plzzz
Mumz [18]

Answer:

40

Step-by-step explanation:

x= 4 and y = 4

3x + 7y

3(4) + 7(4)

12 + 28

=40

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2 years ago
What are the solutions of the quadratic equation (x + 3)2 = 49
Korvikt [17]

the right answer is

x = 4 and x = –10

I just take the test and I got it right I hope yall get it right to


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What is $125 billion in scientific notation
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$125 billion in scientific notation is 1.25*1011
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