Find the least common multiple (LCM) of the pair of numbers.10 and 42

A. 210
B. 840
C. 420
D. 10


Answer: A

Mathematics

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Solve the problem.A projectile is fired vertically upward into the air, and its position (in meters) above the ground after t seconds is given by the function s(t) = -4.9t2 + 30t.a. Find the instantaneous velocity function v (t).b. Determine the instantaneous velocity of the projectile at t = 1 and t = 2 seconds.

A. a. v(t) = -9.8t + 30; b. v(1) = 20.2 m/s, v(2) = 10.4 m/s B. a. v(t) = 20.2t; b. v(1) = -20.2 m/s, v(2) = -40.4 m/s C. a. v(t) = 20.2t; b. v(1) = 20.2 m/s, v(2) = 40.4 m/s D. a. v(t) = -9.8t + 30; b. v(1) = -20.2 m/s, v(2) = -10.4 m/s

Mathematics

Evaluate the binomial coefficient.

A. 8 
B. 1 
C. 8! 
D.

Mathematics

Write the ratio using fractional notation. Do not simplify.499 to 1000

A.
B.
C.
D.

Mathematics

A right regular n-gon prism has 64 vertices.

(a) What n-gon is it? Show your work. (b) How many faces does the prism have? (c) How many edges does the prism have?

Mathematics