2 years ago

What is negative me times x squared

Mathematics

1 answer:

xz_007 [3.2K]2 years ago

8 0

<span> <span> x^2 * (-x) = -x^3

or negative x cubed </span>
</span>

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It takes Fred 32 minutes to type and spell check 5 pages of a manuscript. Find how long it takes

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Step-by-step explanation:

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2 years ago

What value of x would make the figure below a parallelogram? please show your work!

lara31 [8.8K]

Answer:

x = 8

Step-by-step explanation:

Since the sum of all angles of a parallelogram is equal to 360 degrees, <Z + <Y is half of the parallelogram, and therefore <Z + <Y = 180 degrees.

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1 year ago

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2 years ago

Suppose that commercial airplane crashes in a certain country occur at the rate of 2.5 per year. what is the probability that fo

lesya [120]

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4 0

2 years ago

ASAP! I really need help with this question! No nonsense answers, and please attach the solution.

uysha [10]

Answer:

$\boxed{\sf Option \ 4}$

Step-by-step explanation:

$\sqrt{2x-3} +x=3$

Subtract x from both sides.

$\sqrt{2x-3} +x-x=-x+3$

$\sqrt{2x-3}=-x+3$

Square both sides.

$( \sqrt{2x-3})^2 =(-x+3)^2$

$2x-3=x^2-6x+9$

Subtract x²-6x+9 from both sides.

$2x-3-(x^2-6x+9 )=x^2-6x+9-(x^2-6x+9)$

$-x^2 +8x-12=0$

Factor left side of the equation.

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Set factors equal to 0.

$-x+2=0\\-x=-2\\x=2$

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Check if the solutions are extraneous or not.

Plug x as 2.

$\sqrt{2(2)-3} +2=3\\ \sqrt{4-3} +2=3\\\sqrt{1} +2=3\\3=3$

x = 2 works in the equation.

Plug x as 6.

$\sqrt{2(6)-3} +6=3\\ \sqrt{12-3} +6=3\\\sqrt{9} +6=3\\3+6=3\\9=3$

x = 6 does not work in the equation.

5 0

3 years ago

Read 2 more answers