The equation gives the position s = f(t) of a body moving on a coordinate line (s in meters, t in seconds).s = 8 + 3 cos tFind the body's speed at time t = ?/3 sec.
A. - 
m/sec
B. - 
m/sec
C. 
m/sec
D. 
m/sec
Answer: C
Mathematics
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The two triangles below are similar. Find the missing lengths.
A. x = 6; y = 12 B. x = 11.25; y = 15.75 C. x = 13.5; y = 18 D. x = 20; y = 28
Mathematics
Multiply in the indicated base.
A. 30035 B. 13535 C. 24035 D. 43035
Mathematics
Graph the function and its inverse on the same Cartesian plane.f(x) = log1/8 x
A. 
B. 
C. 
D. 
Mathematics
How many words are memorized in 15 minutes? (Round answer to the nearest whole number.)
In a certain memory experiment, the rate of memorizing is given by:
where M (t ) is the number of Spanish words memorized in t minutes. The subject has no Spanish words memorized at the beginning of the experiment.
Mathematics