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IRINA_888 [86]
2 years ago
7

(1/4) raised to the 3z-1 = 16 raised to the z+2 multiplied by 64 raised to the z-2

Mathematics
1 answer:
meriva2 years ago
6 0

:) Brainliest pls?

Answer:

z = 3/8

Step-by-step explanation:

(1/4)^(3z-1) = (64^(z-2)) * (16^(z+2))

The work is too much. I don't have a camera to take a photo of the paper.

z = 3/8

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Three-fifths of the students in a room are girls. One-third of the girls have blond hair. One-half of the boys have brown hair.
yan [13]

Answer:

a. Of all the students, \frac{1}{5} are girls with blond hair.

b. Of all the students, \frac{1}{5} are boys without brown hair.

Step-by-step explanation:

a. You know that \frac{3}{5} of the students are girls (This means that \frac{2}{5} of the studes are boys) and \frac{1}{3} of these girls have blond hair.

Then, \frac{1}{3} of \frac{3}{5} is:

(\frac{3}{5})(\frac{1}{3})=\frac{1}{5}

Therefore, of all the students, \frac{1}{5} are girls with blond hair.

b. You know that \frac{1}{2} of the boys have brown hair.

Then, \frac{1}{2} of \frac{2}{5} is:

(\frac{2}{5})(\frac{1}{2})=\frac{1}{5}

Of all the students, \frac{1}{5} are boys without brown hair.

8 0
2 years ago
Decompose fraction 2 3/4
ludmilkaskok [199]

Answer:

11 * 1/4

Step-by-step explanation:

Hi!

Since to decompose a fraction means to basically take it apart, that's all we have to do!

Breaking down the fraction, we can see that it is composed of a bunch of 1/4.

(As an improper fraction below.)

\frac{11}{4}.

That's just 11 \cdot \frac{1}{4}.

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5 0
3 years ago
Find the vertex of the parabola y = 8x2.
murzikaleks [220]

Answer:

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Step-by-step explanation:

Find the vertex of the parabola y = 8x2.

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3 years ago
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MakcuM [25]

Answer:

1.8

Step-by-step explanation:

3.6/ x for x =2

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8 0
3 years ago
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Which does NOT represent a function? ill give brainliest
r-ruslan [8.4K]

Answer:

C

Step-by-step explanation:

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8 0
2 years ago
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