Solve.3x2 - 45 = 0
A. -,
B. ±15
C. 16
D. 22.5
Answer: A
Mathematics
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Find the quadratic approximation of f at x = 0.f(x) =
A. Q(x) = 1 + 2x
B. Q(x) =
C. Q(x) = 2x
D. Q(x) = 1 +
Mathematics
Solve the problem.A squirrel is moving at a speed of 17 feet per second. At this rate, how long would it take the squirrel to travel one mile? Give your answer in minutes, to the nearest tenth.
A. 0.1 min B. 5.2 min C. 310.6 min D. 5.8 min
Mathematics
Solve the problem.Suppose that the orbit of a particular planet around the sun is an ellipse with equation +
= 1, where x and y are measured in millions of miles. Find the eccentricity of this ellipse. (Round to the nearest thousandth.)
A. 9.653 B. 0.366 C. 0.866 D. 1.155
Mathematics
Find the magnitude of the vector v = -3i + 2j
Mathematics