Suppose ABC is a right triangle with C = 90°.
?
If a = 6 and b = 8, find c.
?
A. c = 9
B. c = 18
C. c = 10
D. c = 15
E. c = 6
Answer: C
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Identify the type of surface represented by the given equation.
- 
= 
A.
| Ellipsoid |
B. Parabolic cylinder
C. Paraboloid
D. Hyperbolic paraboloid
+ 
+ 
A. 
B. 
C. 
D. 
Using the exponential key of a calculator to find an approximation to the nearest thousandth.162.2
A. 445.722 B. 301,136.15 C. 35.2 D. 256
Solve the problem.Suppose that the speed of a car, measured in miles per hour (mph), is monitored for some short period of time after the driver applies the brakes. The following table and graph relate the speed of the car to the amount of time, measured in seconds (sec), elapsed from the moment that the brakes are applied. What is happening to the speed of the car during this time frame? In which of the time intervals does the speed change the most?
A. With increasing elapsed time, the speed increases. The speed changes most during the time interval from 12 seconds to 15 seconds. B. With increasing elapsed time, the speed decreases. The speed changes most during the time interval from 12 seconds to 15 seconds. C. With increasing elapsed time, the speed decreases. The speed changes most during the time interval from 3 seconds to 6 seconds. D. With increasing elapsed time, the speed increases. The speed changes most during the time interval from 3 seconds to 6 seconds.