Solve the problem. Round your answer to the nearest tenth, if necessary.A jet plane traveling at a constant speed goes 1200 mi with the wind, then turns around and travels for 1000 mi against the wind. If the speed of the wind is a constant 50 mph, and the total flight took 4 hours, find the speed of the plane.
A. 550 mph
B. 525 mph
C. 435 mph
D. 605 mph
Answer: A
Mathematics
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A. 16 B. 12 C. 30 D. 40
Mathematics
Find all values that make the expression undefined.
A. 6, -6 B. 5, -3 C. 0 D. -5, -3
Mathematics
Solve the system of equations using Gaussian elimination or Gauss-Jordan elimination.-4x - 4y - 4z = -4-12x - 11y - 10z = -9-8x - 7y - 6z = -5
A. (-2, 6, 0) B. (-2, 3, 0) C. (z - 2, -2z + 3, z) D. No solution
Mathematics
Convert the given number to scientific notation.0.0000000381018
A. 3.81018 × 10-9 B. 3.81018 × 10-8 C. 3.81018 × 108 D. 3.81018 × 10-7
Mathematics