Which of the following can be used to find the experimental probability when spinning a spinner?
?
A. ?Many repetitions of spinning.
B. ?Collecting data on spin results.
C. ?Finding the percent of times that arrow lands on specific colors.
D. ?Using a computer random number generator to simulate spins.
E. ?All of the above.
Answer: E
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We locate the position of a car driving on an east-west highway as distance east. If the car is driving east at a speed of 65 miles per hour, what can be said about velocity?
A. Velocity is 65 miles per hour. B. Velocity is -65 miles per hour. C. Velocity is 0 miles per hour. D. None of the above.
Solve the problem using matrices.An application of Kirchoff's Rules to the circuit shown results in the following system of equations:
Find the currents I1, I2, and I3.
A. I1 = 4.5, I2 = 3.5, and I3 = 1 B. I1 = 2.5, I2 = 1.5, and I3 = 1 C. I1 = 3.5, I2 = 2.5, and I3 = 1 D. I1 = 5.5, I2 = 4.5, and I3 = 1
Solve the equation by first clearing it of fractions or decimals.0.08t + 0.06(10 - t) = 1.2
A. t = 12 B. t = 30 C. t = -30 D. t = -18
When buying gasoline, you notice that 16 gallons of gasoline is approximately the same amount of gasoline as 51 liters. Use this information to find a linear model that relates liters y to gallons x. Then use the model to find the numbers of liters in 25 gallons and 45 gallons. (Round your answer to one decimal place.) ?
A. Model: y = 
x; 7.8 L, 14.1 L
B. Model: y = 
x; 79.7 L, 14.1 L
C. Model: y = 
x; 7.8 L, 143.4 L
D. Model: y = 
x; 79.7 L, 143.4 L
E. Model: y = 
x; 79.7 L, 143.4 L