Use a calculator to approximate to three decimal places.

A. 11.805
B. 11
C. 11.777
D. 11.790


Answer: D

Mathematics

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Use rational equations to solve the problems.A jet plane traveling at a constant speed goes 1200 miles with the wind, then turns around and travels for 1000 miles against the wind. If the speed of the wind is 50 mph and the total flight took 4 hours, find the speed of the plane in still air.

A. 435 mph B. 605 mph C. 525 mph D. 550 mph

Mathematics

Solve the problem.Find the equation of the line which contains P(1, 5) and which is perpendicular to the x-axis.

A. x = 1 B. y = 5 C. y = 1  D. x = 5

Mathematics

Add.-  + 

A.
B.
C.
D.

Mathematics

Find the mean for the group of data items. Round to the nearest hundredth, if necessary.22, 22, 58, 76, 69, 22

A. 49.4 B. 44.83 C. 41.17 D. 53.8

Mathematics