Solve the problem.Assume that the profit P made when t units are sold, t > 0, is given by P(t) = t2 - 28t + 180. For what values of t will there be a loss (that is, P < 0)?
A. t = 10 or t = 18
B. 10 < t < 18
C. t > 0
D. 0 < t < 10 or t > 18
Answer: B
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Perform the indicated operation. Simplify the answer when possible.2
+ 5
A. 14
B. 87
C. 7
D. 399
Solve the problem.Mendel found that flower color in certain pea plants obeyed this scheme: Pure red crossed with pure white produces red. When pure red (RR) and pure white (rr) parents are crossed, the resulting Rr combination (one of each gene) produces second generation offspring with red flowers, since red is dominant. Suppose that two of these second generation Rr flowers are crossed. What is the probability that the resulting plant will have red flowers?
A. 0.25 B. 1 C. 0.75 D. 0.5
Convert to a polar equation.x = 5
A. r = 5 B. r cos ? = 5 C. cos ? = 5 D. r sin ? = 5
Find the solution of the equation correct to four decimal places.
ln(
?3) = 2