Solve the problem.Suppose y = mx + b is a mathematical model for actual time as a function of estimated time, where y represents actual time and x represents estimated time and m and b are constants. If m = 2.2 and b = -3.9, find y when x is 30 min.
A. 21.42 min
B. 69.9 min
C. 62.1 min
D. 38.58 min
Answer: C
Mathematics
You might also like to view...
Write as a decimal.0.93%
A. 0.0103 B. 0.093 C. 0.93 D. 0.0093
Mathematics
Write a numerical expression for the phrase and simplify it.The sum of 7 and -7, decreased by 8
A. [7 + (-7)] + 8; 8 B. [7 - (-7)] - 8; 6 C. [7 + (-8)] + 7; 6 D. [7 + (-7)] - 8; -8
Mathematics
Find the partial fraction decomposition.
A. 
+ 
+ 
B. 
+ 
C. 
+ 
+ 
D. 
+ 
+ 
Mathematics
Decide where the first digit in the quotient would be located. Then without finishing the division, determine which of the three choices is the correct answer.
A. 62 R 558 B. 623 R 558 C. 6230
Mathematics