Use the following notations: r = radius of a circle, v = linear velocity, ? = angular velocity. Find the missing quantity. Round to the nearest tenth if necessary.r = 16 cm, ? = 45 rad/sec, v = ?

A. 675 cm/sec
B. 720 cm/sec
C. 675 rad/sec
D. 720 rad/sec


Answer: B

Mathematics

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Use the two given functions to write y as a function of x.y = -6t + 8, t = 2x - 5

A. y = -12x + 2 B. y = -12x + 38 C. y = -12x + 3 D. y = -6x + 38

Mathematics

Use the information given in the table to solve the problem.The table gives the Consumer Price Index for selected years.What is the percent change (to the nearest tenth of a percent) in prices from 1960 to 1975?

A. 127.1 % B. 130.1 % C. 135.9 % D. 125.9 %

Mathematics

Solve the problem.There are 2.027 × 104 miles of highways, roads, and streets in a certain state.Write the number as a decimal number.

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Mathematics