Solve by any desired method. If there is no real number solution, say so.10x2 + 23x + 6 = -6
A. x = 
, x = 
B. x = - 
, x = - 
C. x = - 
, x = - 
D. x = 
, x = 
Answer: C
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Use the guidelines to evaluate the study. Discuss flaws that you see in the study. A pharmaceutical company wants to test its new medication to lower blood pressure. It randomly selects 1000 people with high blood pressure and randomly assigns each person to one of two groups. The first group receives the medication for a month and also suggestions as to how to improve their diet. The control group receives a placebo medication and no dietary suggestions. At the end of the month each person's blood pressure is again taken. The average change in blood pressure is compared for the two groups.
What will be an ideal response?
The function f is one-to-one. Find its inverse.f(x) = 3x + 5
A. f-1(x) = 
B. f-1(x) = 
+ 5
C. f-1(x) = 
- 5
D. f-1(x) = 
Solve the problem.In a chemistry class, 5 liters of a 4% silver iodide solution must be mixed with a 10% solution to get a 6% solution. How many liters of the 10% solution are needed?
A. 2.5 L B. 5.0 L C. 3.5 L D. 1.5 L
Round to the indicated place.A student has a test average of 74.59. Round this result to the ones place.
A. 74.5 B. 74.6 C. 74 D. 75