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3 years ago

Simplify square root of 5 open parentheses 8 plus 3 square root of 6 close parentheses.

Mathematics

2 answers:

ahrayia [7]3 years ago

8 0

√5(8 + 3√6)
√5(8) + √5(3√6)
8√5 + 3√30

The answer is A.

PolarNik [594]3 years ago

5 0

Answer:

The answer is 8 square root of 5 end root plus 3 square root of 30

i.e $8\sqrt{5}+3\sqrt{30}$

Step-by-step explanation:

Given the statement square root of 5 open parentheses 8 plus 3 square root of 6 close parenthesis i.e

$\sqrt{5}(8+3\sqrt{6})$

Now by distributive property

$8\sqrt{5}+3\sqrt{5} \sqrt{6}$

implies $8\sqrt{5}+3\sqrt{30}$

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There is a fraction that to 9/10. The numerator and the denominator is 57. What is the fraction?

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The fraction is 27/30. It is equivalent to 9/10 and 27 + 30 = 57.

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3 years ago

tyra has 12 2/3 cups of sugar. if r is the amount of sugar needed for one batch of cookies, the expression 12 2/3 ÷ r can be use

olga nikolaevna [1]

ANSWER

She can make 19 batches of oatmeal.

EXPLANATION

First we can change the mixed number into an improper fraction:

$12\frac{2}{3}=12+\frac{2}{3}=\frac{12\cdot3}{3}+\frac{2}{3}=\frac{36}{3}+\frac{2}{3}=\frac{38}{3}$

In this problem, r = 2/3. The division is:

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Using the KFC rule:

$\frac{38}{3}\div\frac{2}{3}=\frac{38}{3}\times\frac{3}{2}$

Solving we can see that the denominator of the first fraction can be simpliied with the numerator of the second fraction:

$\frac{38}{3}\times\frac{3}{2}=\frac{38}{1}\times\frac{1}{2}=\frac{38}{2}=19$

Tyra can make 19 batches of oatmeal with 12 2/3 cups of sugar.

6 0

1 year ago

Two communication mask 2km apart and directly north and south of each other. Ubi 's home is 500 m from one and directly east. Ho

pochemuha

Answer: $2061.55\ m$

Step-by-step explanation:

Given

The two communication mask are 2 km apart

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Suppose its distance from the other's is x

From the figure, we can write

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(in the image)

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