Solve the problem. Round your answer to the nearest tenth, when appropriate.The position of an object moving in a straight line is given by s(t) = t2 - 8t, where s is in feet and t is the time in seconds the object has been in motion. How long will it take the object to move 
?
A. 9.5 sec
B. 15.0 sec
C. 8.4 sec
D. 9.3 sec
Answer: A
Mathematics
You might also like to view...
Solve the equation for solutions in the interval [0, 2?).tan 2x - tan x = 0
A. {0}
B. 
C. {0, ?}
D. 
Mathematics
Solve the problem.Alan's yard is rectangular and measures 17.7 meters by 19.6 meters. Maria's yard is rectangular and measures 37.9 meters by 41.8 meters. How much greater is the area of Maria's yard than the area of Alan's yard?
A. 1931.14 m2 B. 1237.30 m2 C. 12,373.0 m2 D. 42.4 m2
Mathematics
Write the vector v in the form ai + bj, given its magnitude 
and the angle ? it makes with the positive x-axis.
= 6, ? = 90°
A. v = 6i B. v = 6i - 6j) C. v = 6i + 6j D. v = 6j
Mathematics
Simplify the expression by combining like terms, if possible.
s - 
t - 
s + 
t
A. 
s - 
t + 
B. - 
s - 
t
C. 
s - 
t - 
D. 
s - 
t
Mathematics