Solve the problem.A local television station sends out questionnaires to determine if viewers would rather see a documentary, an interview show, or reruns of a game show. There were 500 responses with the following results:150 were interested in an interview show and a documentary, but not reruns.20 were interested in an interview show and reruns but not a documentary70 were interested in reruns but not an interview show.120 were interested in an interview show but not a documentary.50 were interested in a documentary and reruns.30 were interested in an interview show and reruns.40 were interested in none of the three.How many are interested in exactly one kind of show?
A. 250
B. 230
C. 240
D. 220
Answer: C
You might also like to view...
Solve the problem by integration.The force F (in N) applied by a stamping machine in making a certain computer part is 
where x is the distance (in cm) through which the force acts. Find the work done by the force from 
to 
A. 16.2515 N? cm B. 0.0313 N? cm C. 0.1126 N? cm D. 0.0052 N? cm
Determine where the given function is concave up and where it is concave down. f(x) = 2x3 + 12x2 + 18x
A. Concave down on 
, concave up on 
B. Concave up on 
, concave down on 
C. Concave down on (-?, -3.5), concave up on ( -3.5, ?)
D. Concave up on ( -?, -3.5), concave down on ( -3.5, ?)
Write the sentence as a mathematical statement.Thirteen is not equal to twenty-eight.
A. 13 = 28 B. 13 ? 28 C. 13 ? 28 D. 13 ? 28
Solve the problem.Subtract (5a5 - 3a4) from the sum of (7a5 - 3a4) and 
A. 5a9 B. 10a5 - 5a4 C. 10a10 - 5a8 D. 5a18