Solve. Use ? ? 3.14 when necessary.A 20-foot ladder is leaning against a house with the base of the ladder 4 feet from the house. How high up the house does the ladder reach? Round to the nearest tenth foot.
A. 19.2 feet
B. 20.4 feet
C. 16 feet
D. 19.6 feet
Answer: D
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Evaluate. The differential is exact.
A. 0 B. -13 C. -12 D. -11
Determine all possible digits to place in the square that make the statement true. If none exist, state this.4,?21 is divisible by 4.
Fill in the blank(s) with the appropriate word(s).
Solve the equation.10 + 7p = 3
A. 1
B. 1
C. 1
D. - 1
Solve.The following graph represents the speed of a truck as a function of time.
a.When does the truck stop accelerating?b. For how long does the truck maintain a constant speed?
A. a. The truck stops accelerating when the speed stops increasing. Thus, the truck stops accelerating after 8 seconds. b. The truck has a constant speed when the graph is horizontal. Thus, the car maintains a constant speed for 24 seconds. B. a. The truck stops accelerating when the speed stops increasing. Thus, the truck stops accelerating after 8 seconds. b. The truck has a constant speed when the graph is horizontal. Thus, the car maintains a constant speed for 12 seconds. C. a. The truck stops accelerating when the speed stops increasing. Thus, the truck stops accelerating after 8 seconds. b. The truck has a constant speed when the graph is horizontal. Thus, the car maintains a constant speed for 8 seconds. D. a. The truck stops accelerating when the speed stops increasing. Thus, the truck stops accelerating after 8 seconds. b. The truck has a constant speed when the graph is horizontal. Thus, the car maintains a constant speed for 16 seconds.