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charle [14.2K]
2 years ago
11

Which of the following is a pair of equivalent radical expressions?

Mathematics
2 answers:
Harlamova29_29 [7]2 years ago
6 0
B. The square root of 180 and 3 the square root of 20 are equal
zmey [24]2 years ago
5 0
B is the answer because hanckamxxhajansjaakamskxnsnsjs
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2
Fofino [41]

9514 1404 393

Answer:

  1.1.1  sin(241°) = -√t

  1.1.2  cos(61°) = √(1 -t)

Step-by-step explanation:

<u>Given</u>:

 sin(61°) = √t

<u>Find</u>:

  1.1.1  sin(241°)

  1.1.2  cos(61°)

<u>Solution</u>:

1.1.1  sin(180° +x) = -sin(x)

  sin(241°) = -sin(61°) = -√t

__

1.1.2  cos(x) = √(1-sin²(x))

  cos(61°) = √(1 -(√t)²) = √(1 -t)

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Step-by-step explanation:

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Q = p(r+s)
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