Solve the problem.Brian was training to run a marathon. During the three-day period before the race he decided that he would train for a total of 12 hours. If he trained for 2
hours on the first day and 3
hours on the second day, how many hours would he need to train on the third day?
A. 6 hr
B. 6 hr
C. 5 hr
D. 5 hr
Answer: C
Mathematics
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Decide if the given number is a solution to the given equation. =
; -
A. Yes B. No
Mathematics
Use your calculator to find a decimal approximation.( + 2)4
A. 798.994975 B. 801.574275 C. 812.998375 D. 788.994975
Mathematics
Graph the curve.
9x² + 4y² – 36x + 8y + 4 = 0
Mathematics
A heat probe is attached to the heat exchanger of a heating system. The temperature T (in degrees Celsius) is recorded t seconds after the furnace is started. A model for the data recorded for the first two minutes is given by . Find
.
?
A. 1,561° B. 1,481° C. 59° D. 80° E. 25°
Mathematics