A pair of similar triangles is shown. Find the measure of the segment marked with the letter x.
A. x = 3
B. x = 1
C. x = 4
D. x = 2
Answer: D
Mathematics
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Calculate the arc length of the indicated portion of the curve r(t).r(t) = (1 - 9t)i + (5 + 2t)j + (6t - 5)k, -10 ? t ? 6
A. 176 B. 1,936 C. -484 D. -44
Mathematics
Solve the equation. Round to the nearest thousandth.5(5x - 1) = 22
A. {0.496} B. {0.184} C. {1.080} D. {0.584}
Mathematics
Translate the phrase to an algebraic expression. Use "x" to represent "a number". A number increased by - 
A. - 
? x
B. 
C. x + 
D. x - 
Mathematics
Use the Factor Theorem to determine whether x - c is a factor of f(x).f(x) = x4 + 9x3 + 8x2 + 66x - 54; x + 9
A. Yes B. No
Mathematics