Express the sum using summation notation. Use a lower limit of summation, not necessarily 1, and k for the index of summation.2 + 
+ 3 + 
+ . . . + 
A. 
B. 
C. 
D. 
Answer: B
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Subtract.41,615 - 18,585
A. 23,030 B. 24,430 C. 23,430 D. 22,930
An objective function and a system of linear inequalities representing constraints are given. Graph the system of inequalities representing the constraints. Find the value of the objective function at each corner of the graphed region. Use these values to determine the maximum value of the objective function and the values of x and y for which the maximum occurs.Objective Functionz = 9x - 18yConstraints0 ? x ? 5 0 ? y ? 8 4x + 5y ? 30 4x + 3y ? 20
A. Maximum: -78.75; at (1.25, 5) B. Maximum: 0; at (0, 0) C. Maximum: 45; at (5, 0) D. Maximum: -108; at (0, 6)
Solve the application and answer with a complete sentence.36.5% of the students at a certain college are men. If the total number of students at the college is 1400, how many male students are there?
A. There are 909 male students. B. There are 511 male students. C. There are 700 male students. D. There are 889 male students.
Find the angle between vectors v and w. Round the answer to the nearest tenth of a degree.v = -i + 4j, w = 2i - 3j
A. 160.3° B. 63.4° C. 70.3° D. 0.9°