Sin(30) = 1/2 a) cos(150) = 0 wrong: since cos(150) = cos (180-30) = -√(3)/2 b) cos(60) = 1/2 : right, because sin(30) and also cos(60) space supplements: proof: sin(30) = cos(90-30) = cos 60 c), d) are wrong

Find the perimeter of the triangle v vertices d(3, 4), e(8, 7), and also f(5, 9). Carry out not round before calculating the perimeter. After calculating the perimeter, round your answer come the nearest tenth.

(Help me please...) If the sin 30° = one over two, climate which statement is true? (6 points) cos 150°...

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Determine even if it is cs and kp space parallel, perpendicular, or neither. Display work. C(1,12), s(5,4), k(1,9), p(6,-6)...

Need ! the height of the it is provided triangle listed below is 15 units. What is the value of x? a) 15 sqrt 3 b)30 sqrt 3 c)15/sqrt 3

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Betty saves $161 a month. She conserves $141 less each month than jack. Just how much will jack save in 2 years?...

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