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 = 8 when 
If necessary, round the answer to the nearest tenth of a second.
A. 1.1 sec
B. 1 sec
C. 1.2 sec
D. 0.3 sec
Answer: B
Mathematics
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Find the slope and the y-intercept of the line.6x + 7y = 47
A. m = 
, 
B. m = - 
, 
C. m = 
, 
D. m = - 
, 
Mathematics
If side c = 13 and side b = 5, what is side a?
What will be an ideal response?
Mathematics
Give the exact value.tan 60°
A. 2
B. 
C. 
D. 
Mathematics
A cell site is a site where electronic communications equipment is placed in a cellular network for the use of mobile phones. The numbers of cell sites from 1985 through 2008 can be modeled by 
where t represents the year, with 
corresponding to 1985. Use the model to find the numbers of cell sites in the year 2007 .
? A. 211,071 B. 209,071 C. 208,071 D. 207,071 E. 210,071
Mathematics