Solve.The formula v = 
can be used to estimate the maximum safe velocity v, in miles per hour, at which a car can travel along a curved road with a radius of curvature r, in feet. To the nearest whole number, find the radius of curvature if the maximum safe velocity is 35 miles per hour.
A. 196 ft
B. 490 ft
C. 3063 ft
D. 1225 ft
Answer: B
Mathematics
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Identify the multiplication model that best fits the problem. Do not solve the problem.How many 3-digit numbers can be formed using the digits 0, 1, 2, 3, 4, 5, 6, if repetitions are not allowed?
A. Cartesian product model B. Measurement model C. Set model D. Array model
Mathematics
Use the product rule to simplify.
A. 2
B. 7
C. 20
D. 6
Mathematics
Solve the problem.The expression 6.45t + 6.9 can be used to predict the average number of e-mail messages, in billions, each day in Country X, t years after 2000. Predict the average daily number of e-mails in Country X in the year 2,006.
A. 12,945.6 billion B. 45.6 billion C. 19.35 billion D. 31.8 billion
Mathematics
Graph the equation by plotting points.y = 
x - 1
A. 
B. 
C. 
D. 
Mathematics