Rationalize the denominator and simplify. Assume all variables represent nonnegative real numbers.
A. 
B. 
C. 
D. 
Answer: C
Mathematics
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Parametric equations and and a parameter interval for the motion of a particle in the xy-plane are given. Identify the particle's path by finding a Cartesian equation for it. Graph the Cartesian equation. Indicate the portion of the graph traced by the particle and the direction of motion.x = 5t + 2, y = 15t + 2, -? ? t ? ?
A. y = 3x + 4; Entire line, from left to right
B. y = 3x - 4; Entire line, from right to left
C. y = 3x - 4; Entire line, from left to right
D. y = 3x + 4; Entire line, from right to left
Mathematics
Convert the units using two or three unit fractions.2
weeks = 
min
A. 3840 B. 448 C. 26,880 D. 1,612,800
Mathematics
Multiply.6.86 × 0.1
A. 0.686 B. 0.00686 C. 0.0686 D. 68.6
Mathematics
Multiply.0.170 × 8.8
A. 1 B. 1.496 C. 8.97 D. 8
Mathematics