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Nikolay [14]
3 years ago
10

What is the square root of √64/25 A) 8/5 B) -8/5 C) ±8/5 D) ±320/125

Mathematics
1 answer:
horsena [70]3 years ago
5 0

Answer:

C) ±8/5


Step-by-step explanation:

Both the numerator and the denominator are positive squares (8 is the square root of 64, and 5 is the square root of 25). Finding the square root of both the numerator and the denominator will yield the simplified fraction ±8/5.

Remember: the square roots of a positive square are always both positive and negative. The square root of \sqrt{4} is 2 (2^{2} =4) and -2 (-2^{2} =4)

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Which algebraic expression is a difference with two terms?
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B)

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Jolinda scored 21 points during her basketball game. Her team scores a total of 28 points. What fraction of the team's points do
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3 years ago
At a sale on winter clothing, Cody bought four pairs of gloves and four hats for $36.00. Tori bought three pairs of gloves and f
iren [92.7K]

Answer:

gloves cost $5

hats cost $4

Step-by-step explanation:

four pairs of gloves and four hats for $36.00

4g + 4h = 36

three pairs of gloves and four hats for $31.00

3g + 4h = 31

-------------------------

Subtract the second equation from the first

  4g + 4h = 36

-( 3g + 4h = 31 )

––––––––––––

   g           = 5

gloves cost $5

substitute for g = 5 into either equation

4(5) + 4h = 36

20 + 4h = 36

Subtract 20 from both sides

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Divide both sides by 4

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4 0
3 years ago
What is the length of PR
BartSMP [9]

Answer:

B 7

Step-by-step explanation:

Since the triangles are similar by AAA

We can use ratios to find the length x (which is PR)

5                 15

-------- = ------------

x               21


Using cross products

5 * 21 = 15 *x

Divide each side by 15

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3 0
4 years ago
Read 2 more answers
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