3 years ago

Identify the corresponding word problem given the equation: x = 4 × 9

Mathematics

1 answer:

Firdavs [7]3 years ago

5 0

The answer is B because Chris and three of his friends is 4. Then, each person paid $9 so 4 x 3 = x.

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Which is equivalent to sqrt x^10<br> A. X-5<br> B. X -1/5<br> C. X sqrt 10<br> D. X 1/5<br> E. X^5

Lesechka [4]

<h3>Answer: E) x^5</h3>

$\sqrt{x^{10}} = x^5$

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Explanation:

We simply take half of the exponent 10 to get 5. This applies to square roots only.

So the rule is $\sqrt{a^b} = a^{b/2}$

A more general rule is

$\sqrt[n]{a^b} = a^{b/n}$

If n = 2, then we're dealing with square roots like with this problem. In this case, a = x and b = 10.

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3 years ago

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Divide. Reduce the answer to lowest terms.

Anastasy [175]

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3 years ago

8x + 12 = 4r - 16 find r

Luda [366]

Answer:

r = 2x + 7

Step-by-step explanation:

get r on one side

8x + 12 + 16 = 4r

divide both sides by 4 to get r by itself

8x/4 + 12/4 + 16/4 = 4r/4

2x + 3 + 4 = r

2x + 7 = r

r = 2x + 7

8 0

3 years ago

Confused on number 10. I put one solution, but I don’t know if it’s right. I got

egoroff_w [7]

It is no answer, because when you get 12x + 48 = 48 + 12x, they cancel each other out.

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6th grade math I mark as brainliest

ANEK [815]

Answer: 1/32 pounds

Step-by-step explanation:

1/4 divided by 8 = 1/32

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2 years ago

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