Substitute to find the value of the expression.A train must cover a distance of 2520 miles. The velocity, in miles per hour, of the train is 
where t is the time, in hours, to complete the trip. If the train completes the trip in 28 hours, what is its velocity?
A. 0.01 mph
B. 90 mph
C. 85 mph
D. 70,560 mph
Answer: B
Mathematics
You might also like to view...
Use the table to find the instantaneous velocity of y at the specified value of x.x = 1.
A. 8 B. 2 C. 4 D. 6
Mathematics
Determine whether there is a maximum or minimum value for the given function, and find that value.f(x) = x2 + 10x + 15
A. Minimum: -10 B. Maximum: 0 C. Maximum: -10 D. Minimum: -5
Mathematics
The table shows the number of votes received by each candidate in an election along with the amount spent by the candidate on advertising. Use the table to answer the question.
How much was spent on advertising by Tyler Johnson?
A. $66,154 B. $66,514 C. $41,036 D. $72,607
Mathematics
Solve. 5 + 4x = 17
A) 3 B) 9 C) 22 D) 12 E) –3
Mathematics