Solve the problem.A machinist has flat metal plate that is 8.108 cm thick. He laminates the metal plate with four more layers that are 3.980 cm, 1.513 cm, 3.107 cm, and 4.489 cm thick. He then grinds off 1.508 cm from the top of the plate, then 4.511 cm more, and finally another 1.726 cm. Find the new thickness of the plate.
A. 14.960 cm
B. 13.452 cm
C. 2.764 cm
D. 25.490 cm
Answer: B
Mathematics
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Solve the problem.If a fair coin is tossed twice, the probability that both tosses will come up heads is
A. 
.
B. 
.
C. 
.
D. 
.
E. none of these
Mathematics
Convert the angle from degree measure to radian measure. Round to the nearest hundredth of a radian when appropriate.450°
A. - 
B. - 
C. 
D. 5?
Mathematics
Solve.6x2/5 + 15x1/5 + 9 = 0
A. - 1, - 
B. 1, 
C. 3, 2
D. - 1, - 
Mathematics
Solve the problem.A boat on a river goes 77 miles downstream in 2 hours and 45 minutes. The return trip takes 3 hours and 30 minutes. If the boat's speed is the same in each direction, find the speed of the boat and the speed of the current.
What will be an ideal response?
Mathematics