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Find the sum of two vectors if one has a direction of 65° and a magnitude of 10, and the other has a direction of 35° and a magnitude of 15.
A. magnitude of 24.2 at direction of 46.9°
B. magnitude of 5 at direction of 30°
C. magnitude of 24.2 at direction of 100°
D. magnitude of 25 at direction of 100°
Answer: A
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Find an approximate value for the integral, using the trapezoidal rule with n intervals. Round the answer to the nearest tenth if necessary.
, n = 4
A. 294 B. 28.8 C. 216.2 D. 230
Divide the following numbers:
16a2b 18x4y3z2 a. ÄÄÄÄÄ c. ÄÄÄÄÄÄÄÄ 4ab 3xy2z 14ab-2 144abc2 b. ÄÄÄÄÄÄ d. ÄÄÄÄÄÄÄ 7a2b-2 6a2bc
Find the unknown value in the percent proportion 
Round to the nearest tenth, if necessary.whole = 110, percent = 20
A. part = 11 B. part = 18.2 C. part = 22 D. part = 55
Solve the problem.Find the arithmetic mean for the collection of numbers.10, 7, 1, 5, 7
A. 6 B. 31 C. 7 D. 7.5