As part of a statistics project, a 6th grade teacher brings to class a container with 300 red marbles and 500 white marbles which are thoroughly mixed. To figure out how many marbles in the container are red without actually counting them all, a student randomly draws 40 marbles from the container. Of the 40 marbles drawn, 16 are red.The N-value for this population is
A. 40.
B. 16.
C. 800.
D. 300.
E. none of these
Answer: C
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The doctor orders 200 mg of fluconazole orally to a patient. The stock solution is labeled 40 mg/mL. How much of this medication should be given to the patient?
A. 40 mL B. 8 g C. 10 mL D. 5 mL
Complete the square. Then write the trinomial square in factored form.x2 + 8x
A. x2 + 8x + 16; 
2
B. x2 + 8x; 
2
C. x2 + 8x + 64; 
2
D. x2 + 8x + 16; 
2
Solve the problem.Let g(x) = x2 - 6x - 10. Find x such that (x, 6) is on the graph of f(x).
A. x = -8 or 2 B. no solution C. x = 8 D. x = -2 or 8
Solve the problem.Two hikers on opposite sides of a canyon each stand precisely 525 meters above the canyon floor. They each sight a landmark on the canyon floor on a line directly between them. The angles of depression from each hiker to the landmark meter are 37° and 21°. How far apart are the hikers? Round your answer to the nearest whole meter.
A. 1064 m
B. 2065 m
C. 2064 m
D.
| 2063 m |