Find the perimeter of the shaded triangle.
A. 30
yd
B. 60
yd
C. 26
yd
D. 27
yd
Answer: D
Mathematics
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Solve the inequality. Express your answer in set notation.x2 < 4
A. {x| -2 ? x ? 2} B. {x| x < -2 or x > 2} C. {x| x < 2} D. {x| 2 < x < 2}
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Find the standard deviation of the probability density function to the nearest hundredth.f(x) = 2(1 - x); [0, 1]
A. 0.25 B. 0.33 C. 0.31 D. 0.24
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Completely factor the polynomial.y4 + 7y3 - 7y2 - 49y
A. (y2 + 7)(y2 - 7) B. y(y + 7)(y2 - 7) C. y(y - 7)(y2 - 7) D. y(y2 + 7)(y - 7)
Mathematics