Solve the problem.The rear wheel of a lawn tractor has a 12-inch radius. Find the angle (in radians) through which a wheel rotates in 30 seconds if the tractor is traveling at a speed of 15 miles per hour? Round to the nearest tenth.
A. 105.6 radians
B. 660 radians
C. 37.5 radians
D. 2,376,000 radians
Answer: B
Mathematics
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Find the center and radius of the circle.x2 + 18x + 81 + y2 + 6y + 9 = 64
A. (3, 9), r = 64 B. (-3, -9), r = 8 C. (-9, -3), r = 8 D. (9, 3), r = 64
Mathematics
Solve the problem.In how many ways can the letters in the word PAYMENT be arranged if the letters are taken 4 at a time?
A. 28 B. 840 C. 210 D. 420
Mathematics
Write the equation in logarithmic form.23 = 8
A. log38 = 2 B. log28 = 3 C. log82 = 3 D. log23 = 8
Mathematics
Solve the problem. Round to the nearest cent.A computer is on sale for 20% off. If the discount amount is $313.04, then what is the initial price?
A. $2565.21 B. $3065.21 C. $1065.21 D. $1565.20
Mathematics