Solve the problem.At the beginning of the summer, Jon was 49.9 inches tall. By the end of the summer, he had grown 1.8 inches. What was his height at the end of the summer?
A. 51.8 in.
B. 67.9 in.
C. 50.7 in.
D. 51.7 in.
Answer: D
Mathematics
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Find the curvature of the space curve.r(t) = 4(1 + t)3/2i +4(1 - t)3/2j + 3tk
A. ? = 
B. ? = 
C. ? = 
D. ? = 
Mathematics
Divide. Write the answer in lowest terms and as a whole or mixed number where possible.35 ÷ 
A. 
B. 49
C. 7
D. 25
Mathematics
Solve triangle, if possible. If necessary, round your answers to the nearest tenth.
A. No solution B. A ? 26.9°, B ? 57.0°, C ? 96.1° C. A ? 24.9°, B ? 57.0°, C ? 98.1° D. A ? 28.9°, B ? 55.0°, C ? 96.1°
Mathematics
Given a = 7, b = 10, and c = 11, use the Law of Cosines to solve the triangle for the value of ?. Round your answer to two decimal places.
Figure not drawn to scale
A. 62.96° B. 80.44° C. 78.46° D. 38.57° E. 60.33°
Mathematics