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2 years ago

13

Express ✓ – 75 in its simplest form.

1 answer:

timofeeve [1]2 years ago

3 0

Step-by-step explanation:

The correct answer is 5i $\sqrt{3}$

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A jar contains 4 blue marbles, 6 red marbles, 10 purple

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Answer:

A

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3 years ago

If x+1/x = 5 find the value of x^3 +1/x^3. pls solve

Korolek [52]

Answer:

1) solve x+1/x = 5

$\frac{x + 1}{x} = 5$

$x + 1 = 5x$

$x - 5x = - 1$

$- 4x = - 1$

$x = \frac{ -1}{ - 4}$

$x = \frac{1}{4}$

2) solve x³+1/x³

$x {}^{3} + \frac{1}{x {}^{3} }$

substitute x = 1/4 into the expression

$( \frac{1}{4} ) {}^{3} + \frac{1}{( \frac{1}{4}) {}^{3} }$

$\frac{1}{64} + \frac{1}{ \frac{1}{64} }$

$\frac{1}{64} + \frac{64 \times 1}{1}$

$\frac{1}{64} + 64$

$\frac{4097}{64} \: or \: 64.02$

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3 years ago

Edna earns $6 for each hour of yard work. How many hours in all will it take Edna to earn<br> $42?

madreJ [45]

Answer:

42 divided by 6=7 so 7 hrs

Step-by-step explanation:

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3 years ago

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As the SAT is used for college admissions, the GRE is used for graduate school admissions. A sample of vorbal and

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Step-by-step explanation:

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3 years ago

-1/3-(-3/5)= <br> reduce to the simplest form.

Ne4ueva [31]

Answer:

1/15

Step-by-step explanation:

-1/3 -(-3/5)

-1/3 + 3/5

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-5 / 15 + 6 / 15 = 1/15

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3 years ago

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