Mathematics For Machine Technology
Mathematics For Machine Technology
8th Edition
ISBN: 9781337798310
Author: Peterson, John.
Publisher: Cengage Learning,
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Question

1.If A=32.18892±0.785643 and B=14.70206±0.37126, find 2A−B−B.2.The average radius of the earth is 6371.315±0.437 km. Find the surface area of the earth in km2, assuming it is a perfect sphere. Use scientific notation for the public answer.3.X=4.7027±0.0829 Find eX∕2.4.X=2.8010±0.0618. Find ln⁡(X).5.X=23.49182±0.02716 degrees. Find cos⁡(X). Be careful. Math functions expect angles in radians, not degrees.6.The surface area of a cylinder is (π∕2)D2+πDH, where D is the diameter and H is the height. If D=18.34±0.12 mm and H=25.41±0.14 mm, find the area in mm2, including its uncertainty.7.Using the values of A and B from problem 1, find AB∕(A+B).

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