Find all specified roots.Fifth roots of 1.
A. 1, cis 
, cis 
, cis 
, cis 
B. 1, cis 
, cis 
, cis 
, cis 
C. 1, cis 
, cis 
, cis 
,-1
D. -1, cis 
, cis 
, cis 
, cis 
Answer: A
You might also like to view...
Solve the problem.Find the maximum of R = 4x + 3y on the region of feasible solutions shown in the figure. 
A. R = 26 B. R = 24 C. R = 28 D. R = 21
Suppose n(U) = 100, n(A) = 24, n(B) = 60, and n(A ? B) = 10. Find n(A' ? B').
A. 6 B. 26 C. 100 D. 90 E. none of these
Solve.A baseball player hit a baseball with an initial speed of 160 feet per second at an angle of 40° to the horizontal. The ball was hit at a height of 4 feet off the ground. Find parametric equations that describe the motion of the ball as a function of time. How long is the ball in the air? When is the ball at its maximum height? What is the distance the ball traveled?
A. x = 114.9t and y = -16t2 + 96.45t + 3 5.997 sec, 3.014 sec, 689.055 feet B. x = 114.9t and y = -16t2 + 96.45t + 3 6.059 sec, 3.014 sec, 1171.774 feet C. x = 122.56t and y = -16t2 + 102.88t + 4 12.937 sec, 3.215 sec, 1,585.559 feet D. x = 122.56t and y = -16t2 + 102.88t + 4 6.469 sec, 3.215 sec, 792.841 feet
Write a word name for the number in the sentence.The average amount of rain in Seedwood, Iowa is 14.058 inches per year.
A. Fourteen and fifty-eight tenths B. Fourteen and fifty-eight hundredths C. Fourteen and fifty-eight ten-thousandths D. Fourteen and fifty-eight thousandths