A pair of similar triangles is shown. Find the measure of the segment marked with the letter x.
A. x = 4
B. x = 3
C. x = 6
D. x = 5
Answer: D
Mathematics
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The position vector of a particle is r(t). Find the requested vector.The velocity at t = 2 for r(t) = (4 - 5t2)i + (4t + 9)j - e-2tk
A. v(2) = -20i + 4j - 2e-4k B. v(2) = -10i +4j + 2e-4k C. v(2) = 20i + 4j + 2e-4k D. v(2) = -20i + 4j + 2e-4k
Mathematics
Solve.A card is drawn from a well-shuffled deck of 52 cards. What is the probability that the card will have a value of 5 and be a face card?
A. 
B. 
C. 
D. 0
Mathematics
Simplify.8log8 (2x - 9)
A. 8(2x - 9) B. 2x - 9 C. 1 D. 8
Mathematics
Graph the function using translations.
?
?
A. ?
B. ?
C. ?
D. ?
Mathematics