Find the angle between the given vectors to the nearest tenth of a degree.a = 5i + 4j, b = -9i + 4j
A. 165.3°
B. 125.9°
C. 117.4°
D. 118.4°
Answer: C
Mathematics
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A. Not linear B. Linear
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Solve.
k ? 4
A. k ? 1 B. k ? 4 C. k ? 6 D. k ? 6
Mathematics
Solve the problem.The value of a particular investment follows a pattern of exponential growth. You invested money in a money market account. The value of your investment t years after your initial investment is given by the exponential growth model A = 4100e0.068t. When will the account be worth $6166?
A. 8 years after the initial investment B. 6 years after the initial investment C. 5 years after the initial investment D. 7 years after the initial investment
Mathematics