2 years ago

Which property of equality is shown here? (x2 − 4)x = x(x2 − 4)

Mathematics

1 answer:

stiv31 [10]2 years ago

4 0

Commutative property of multiplication is what the property is called.

A * B = B * A

Where both 'A' and 'B' are expressions.

Hope this helps!

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Mrs. Cooper has 51.2 pounds of soil. She uses 12.9 pounds of soil for her houseplants and 30.4 pounds of soil for her garden How

myrzilka [38]

Answer:

7.9

Step-by-step explanation:

She has a total of 51.2 and uses 12.9+30.4.

The equation would be 51.2-(12.9+30.4).

51.2-(12.9+30.4)

=51.2-43.3

=7.9

Have a nice day!!!!!!! :-)

KA

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2 years ago

Is cos 314° positive,negative,or zero?

Oliga [24]

Maybe positive not sure

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2 years ago

Is -2 a solution to 4x^(3)-x^(2)+16x-4

sergiy2304 [10]

Answer:

Not a solution

Step-by-step explanation:

In order for $x=-2$ to be a solution, the result after substituting must be 0:

$4(-2)^3-(-2)^2+16(-2)-4\stackrel{?}{=}0$

$4(-8)-4-32-4\stackrel{?}{=}0$

$-32-40\stackrel{?}{=}0$

$-72\neq0$

Therefore, $x=-2$ is not a solution to $4x^3-x^2+16x-4$

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2 years ago

What percent is 75 of 100? Write the percent as a fraction.

Juliette [100K]

Answer:

75%

Step-by-step explanation:

or since a percent is a decimal then 0.75

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2 years ago

10(5 - n) - 1 = 29 n = ? Help!

nydimaria [60]

n = 2

distribute and simplify left side of equation

50 - 10n - 1 = 29

49 - 10n = 29 ( subtract 49 from both sides )

- 10n = 29 - 49 = - 20

n = $\frac{-20}{-10}$ = 2

5 0

3 years ago

Read 2 more answers