Solve the problem.If friction is ignored, the time t (in seconds) required for a block to slide down an inclined plane is given by the formula t = 
where a is the length (in feet) of the base and g ? 32 feet per second per second is the acceleration of gravity. How long does it take a block to slide down an inclined plane with base a = 10 when 
If necessary, round the answer to the nearest tenth of a second.
A. 2 sec
B. 0.3 sec
C. 1 sec
D. 1.2 sec
Answer: D
Mathematics
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Approximate the value using a calculator. Express answer rounded to three decimal places.e3.28
A. 15.154 B. 8.916 C. 25.252 D. 26.576
Mathematics
A geometric sequence is given. Find the common ratio and write out the first four terms.
A. an = 2 
n-1
r = 
; 2, 
, 
, 
, ...
B. an = 2 
n-1
r = 
; 2, 1, 
, 
, ...
C. an = 
(2)n-1
r = 
; 2, 4, 8, 16, ...
D. an = 2 ? (2)n-1
r = 2; 2, 4, 8, 16, ...
Mathematics
Five liters of a 10% sugar solution are mixed with pure water to get a 5% solution.
Mathematics
Condense the expression to the logarithm of a single quantity.
?
?
A. 
B. 
C. 
D. 
E. 
Mathematics