3 years ago

Which expressions can never result in a negative real number when evaluated for any value of x? Select all that apply.

Mathematics

1 answer:

kolezko [41]3 years ago

7 0

It is 5 beacause the x^1/3

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2 years ago

(-8,3)(-3,-4.5) what is zero of g?

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2 years ago

DBE is obtained by enlarging ABC. If the area of ABC is 3 square units, what is the area of DBE?

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Answer:

The area of DBE = 27 square units

Step-by-step explanation:

Area of ABC = 3 square units

In the figure, we can see that ABC was enlarged so that BDE is formed where side BD = 6 and AB was = 2

Hence ABC was enlarged 3 times its size.

We know by formula that:

Area of ABC = 1/2(base x perpendicular)

3 = 1/2(2 x p)

=> p = 3

As ABC was enlarged 3 times its size, the perpendicular of BDE must be 3*p

= 3*3 = 9

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8 0

3 years ago

what's the difference between (-4)^-3 and -4^-3. basically what's the difference when there's parenthesis for the base number?

NNADVOKAT [17]

(-4)^-3 = $\frac{1}{-64} or -0.015625$
-4^-3 = $\frac{1}{-64} or -0.015625$

Basically in this situation there is no difference whether parenthesis are used or not.

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