4 years ago

Which of the following would you add to each side of the equation x-9=12 to get the variable by itself?

Mathematics

1 answer:

Afina-wow [57]4 years ago

7 0

The answer is 9!!!!!!

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Find the discriminantof the quadratic equation root 2 X square + 7 x + 5 root 2

Vadim26 [7]

$\displaystyle\ 2x^2+7x+5\sqrt{2} =0 \\\\\boxed{D=7^2-4\cdot2\cdot 5\sqrt{2} =49-40\sqrt{2} }$

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3 years ago

2 (5x + 3) = 15

lawyer [7]

Answer:

D.10x+6=15

Step-by-step explanation:

$2(5x + 3) = 15 \\ { \boxed{ \boxed{10x + 6 = 15}}}$

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3 years ago

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frez [133]

Answer:

I think its increasing

Step-by-step explanation:

The numbers in the second column are increasing along with the time. If you draw it as a graph you'll see the line going up. This means her distance is increasing as the time increases.

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2 years ago

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jonny [76]

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4 years ago

How do you simplify (3+2i)+(4-5i)

ZanzabumX [31]

7+-3i is the correct answer because you add 4+3 because they are like terms then you add 2i+-5i because they are like terms

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3 years ago