Solve the problem.While traveling at a constant speed in a car, the centrifugal acceleration passengers feel while the car is turning is inversely proportional to the radius of the turn. If the passengers feel an acceleration of 12 feet per second per second when the radius of the turn is 40 feet, find the acceleration the passengers feel when the radius of the turn is 120 feet.
A. 6 feet per second per second
B. 5 feet per second per second
C. 4 feet per second per second
D. 7 feet per second per second
Answer: C
Mathematics
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The given pattern continues. Write down the nth term of the sequence suggested by the pattern.1, 4, 7, 10, 13, ...
A. an = 1(3)n-1 B. an = 2n - 3 C. an = n + 3 D. an = 3n - 2
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Find the eccentricity of the ellipse or hyperbola.x2 - y2 = 49
A. 0
B. 1
C. 
D. 
Mathematics
Write the sentence as an equation. Use x to represent "a number."Twelve subtracted from a number is equal to 13.
A. 12 + x = 13 B. x - 12 = 13 C. 12 - x = 13 D. 13 - 12 = x
Mathematics
Calculate.189.7 × 
+ 6.03 ÷ 
A. 311.56 B. 83.92 C. 86.99 D. 305.67
Mathematics