Estimate the sum or difference by first rounding each value to the indicated place value. Then find the actual sum or difference.1989.26 - 803.8
round each to the nearest hundred
A. Estimate: 1200; Actual: 1185.46
B. Estimate: 1000; Actual: 1185.46
C. Estimate: 1000; Actual: 1195.46
D. Estimate: 1200; Actual: 1186.46
Answer: A
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A. natural, rational, real B. real C. irrational, real D. rational, real
Find the angle of least positive measure coterminal with the given angle.652°
A. 292° B. 472° C. 282° D. 326°
Solve the problem.An airline with two types of airplanes, P1 and P2, has contracted with a tour group to provide transportation for a minimum of 400 first class, 750 tourist class, and 1500 economy class passengers. For a certain trip, airplane P1 costs $10,000 to operate and can accommodate 20 first class, 50 tourist class, and 110 economy class passengers. Airplane P2 costs $8500 to operate and can accommodate 18 first class, 30 tourist class, and 44 economy class passengers. How many of each type of airplane should be used in order to minimize the operating cost?
A. 9 P1 planes and 13 P2 planes
B. 7 P1 planes and 11 P2 planes
C.
| 20 P1 planes and 0 P2 planes |
D. 11 P1 planes and 7 P2 planes
Graph the function.Use the graph of log3x to obtain the graph of f(x) = -2 + log3x.
A. 
B. 
C. 
D. 