Find the least common multiple of the denominators of the fractions.
, 
A. 120
B. 1080
C. 5400
D. 180
Answer: B
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Find the value.If F(x, y) = ln (x2 + y2), find Fx(1, 3) and Fy(1, 3).
A. Fx(1, 3) = 
, Fy(1, 3) = 
B. Fx(1, 3) = 
, Fy(1, 3) = 
C. Fx(1, 3) = 
, Fy(1, 3) = 
D. Fx(1, 3) = 
, Fy(1, 3) = 
Solve the problem.The velocity v = ds/dt and initial position of a body moving along a coordinate line are given below. Find the body's position at time t. v = 
, t > -6, s(-5) = 2
A. s = - 
B. s = ln 
+ 1
C. s = - 
+ 3
D. s = ln 
+ 2
Solve the problem.Strontium 90 decays at a constant rate of 2.44% per year. Therefore, the equation for the amount P of strontium 90 after t years is P = P0 e-0.0244t. How long will it take for 15 grams of strontium to decay to 5 grams? Round answer to 2 decimal places.
A. 45.03 years. B. 450.25 years C. 4.50 years D. 40.50 years
Write the expression with only positive exponents and evaluate if possible. Assume all variables represent nonzero real numbers.
A. 36
B. 
C. 
D. 1