Divide.3.15 ÷ 0.09
A. 24
B. 35
C. 36
D. 3.5
Answer: B
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Write the given number in scientific notation.0.00000037705 Give the answer to five significant digits.
A. 3.7705 × 10-6 B. 3.7705 × 106 C. 3.7705 × 10-7 D. 3.7705 × 107
Solve the problem.In one study the maximum heart rates of conditioned athletes were examined. A group of athletes was exercised to exhaustion. Let x represent an athlete's heart rate five seconds after stopping exercise and y represent an athlete's heart rate ten seconds after stopping exercise. It was found that the maximum heart rate H for these athletes satisfied the following two equations. H = 0.491 x + 0.468 y + 11.2 H = -0.981 x + 1.872y + 26.4If an athlete had a maximum heart rate of H = 158, determine the value of y graphically to the tenths place.
A. y = 152.1 B. y = 151.4 C. y = 151.8 D. y = 147.7
Use the discriminant to determine if the equation can be solved by factoring. If the equation can be solved by factoring, then factor it.7k2 = 3k - 2
A. Cannot be solved by factoring B. (k + 1)(k - 3) = 0 C. (k + 2)(k - 7) = 0 D. (k - 1.4)2 = 0
Find the probability of the following card hands from a 52-card deck. In poker, aces are either high or low. A bridge hand is made up of 13 cards.In bridge, exactly 3 kings and exactly 3 queens
A. 0.00097 B. 0.00024 C. 0.00337 D. 0.00018