Solve the problem.A machinist has flat metal plate that is 6.614 cm thick. He laminates the metal plate with four more layers that are 3.792 cm, 2.069 cm, 3.873 cm, and 4.148 cm thick. He then grinds off 2.856 cm from the top of the plate, then 1.118 cm more, and finally another 7.050 cm. Find the new thickness of the plate.
A. 3.756 cm
B. 12.328 cm
C. 17.420 cm
D. 9.472 cm
Answer: D
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, AB = 12, AD = 18, and m
= 56°. To the nearest square unit, find the area of 
.
What will be an ideal response?
Solve the problem.Two wheels are rotating in such a way that the rotation of the smaller wheel causes the larger wheel to rotate. The radius of the smaller wheel is 
and the radius of the larger wheel is 
Through how many degrees will the larger wheel rotate if the smaller one rotates 
A. 61.12° B. 63.22° C. 62.22° D. 61.22°
Use a calculator (in radian mode) to evaluate the given expression.tan-1 0.5774
A. 0.6515 B. 0.5236 C. 30.0021 D. 1.9097
Find the area and perimeter of the rectangle.The length is 4 less than three times the width W. Express the area and perimeter in terms of the width W.
A. A = W(3W - 4), P = 8W - 4 B. A = W(3W - 4), P = 6W - 8 C. A = W(3W + 4), P = 8W + 8 D. A = W(3W - 4), P = 8W - 8