3 years ago

Which expression is equivalent to b^2 • b^5?

Mathematics

1 answer:

notka56 [123]3 years ago

5 0

Is there choices to pick from

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Which is greater 2/5 or 3/4

Brut [27]

3/4 is greater than 2/5. 2/5 is .4 and 3/4 is .75

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3 years ago

In a direct variation, y = 18 when x = 6. Write a direct variation equation that

inysia [295]

Step-by-step explanation:

y =kx(where k is constant)

18 = 6k

divide both side by 6

k = 6

The relationship between x and y

y = kx

y =3x

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3 years ago

PLEASE HELP ME!!!!!!!

Gennadij [26K]

-4x < 20
Divide -4 on both sides and the x would be by itself and 20/4 = 5. Since it is a negative, the sign would switch to >
This would be the inequality : x > 5

Numbers in the solution set would be any number greater than 5
ex: 6, 10, 15

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3 years ago

Express with radical signs instead of fractional exponents. Rationalize the denominator.

CaHeK987 [17]

$x^{\frac{1}{2}} = \sqrt[2]{x}$ and $3^{-\frac{1}{2}} = \frac{1}{3^{\frac{1}{2}} } = \frac{1}{\sqrt[2]{3}}$ so

$3^{-\frac{1}{2}} x^{\frac{1}{2}} = \frac{1}{\sqrt{3}} \cdot \sqrt{x} = \frac{\sqrt{x}}{\sqrt{3}}$

and you rationalize denominator by multiplying numerator and denominatr by $\sqrt{3}$ so that gives--

$\frac{\sqrt{x}}{\sqrt{3}} \cdot \frac{\sqrt{3}}{\sqrt{3}} = \frac{\sqrt{3x}}{3}$

Your answer is $\frac{\sqrt{3x}}{3}$

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3 years ago

H(x) = -x2 + 6x + 16<br> What’s the answers

kompoz [17]

Answer:

x is 8 and -2

Step-by-step explanation:

7 0

3 years ago