Solve the problem.The distance from home plate to dead center field in a certain baseball stadium is 400 feet. A baseball diamond is a square with a distance from home plate to first base of 90 feet. How far is it from first base to dead center field?
A. 468 ft
B. 325.2 ft
C. 377.7 ft
D. 342.3 ft
Answer: D
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Solve the problem.A small frictionless cart, attached to the wall by a spring, is pulled 10 cm back from its rest position and released at time t = 0 to roll back and forth for 4 sec. Its position at time t is 
. What is the cart's maximum speed? When is the cart moving that fast? What is the magnitude of of the acceleration then?
A. 10? ? 31.42 cm/sec; t = 0.5 sec, 1.5 sec, 2.5 sec, 3.5 sec; acceleration is 0 cm/sec2 B. ? ? 3.14 cm/sec; t = 0.5 sec, 1.5 sec, 2.5 sec, 3.5 sec; acceleration is 0 cm/sec2 C. 10? ? 31.42 cm/sec; t = 0.5 sec, 2.5 sec; acceleration is 1 cm/sec2 D. 10? ? 31.42 cm/sec; t = 0 sec, 1 sec, 2 sec, 3 sec; acceleration is 0 cm/sec2
Solve the problem.Karen and Ivan traveled at 115 kilometers/hour for 4.7 hours. Their total trip will be 630 miles long. How many miles do they still need to travel? (Round your answer to the nearest whole mile, if necessary.)
A. 559 mi B. 90 mi C. 295 mi D. 474 mi
Solve the problem.A die is weighted so that an even-numbered face is three times as likely to occur as an odd-numbered face. What probability should be assigned to each face?
What will be an ideal response?
Using a calculator, evaluate the expression. Round the answer to four decimal places.cot(-arcsin ?)
A. -0.0009 B. -1094.771 C. 0 D. undefined