The velocity function of a car is given by v(t) = -3t^2 + 18t + 9 m/s. Find the acceleration of the car three seconds before it comes to a stop. A. a = -6.46 m/s² B. a = -2.76 m/s² C. a = -0.46 m/s² D. a = 2.76 m/s²
The standard deviation of the population is (Round to two decimal places as needed.) Identify all samples of size 3 with the correct accompanying means below. • A. 94,96,90 × = 93.33 L B. 94,94,94 × = 94 • D. 96,90,94 x = 93.33 • E. 90,96,96 ×= 94 • G. 90,90,94 x = 91.33 • Н. 96,90,90 × = 92 • J. 90,94,96 x=93.33 • K. 94,90,96 × = 93.33 • M. 96,90,96 x= 94 • N. 90,90,90 x= 90 • P. 96,96,90 x=94 • Q. 96,94,96 x= 95.33 • S. 94,96,96 x = 95.33 • T. 96,94,90 ×= 93.33 • V. 96,96,94 x=95.33 L W. 96,94,94 x= 94.67 • Y. 90,94,90 x=91.33 OZ. 90,90,96 x= 92
A combination lock uses 4 numbers, each of which can be 0 to 32. If there are no restrictions on the numbers, how many possible combinations are available?
Segment RS is reflected over the line y = and then translated by (x +3, y + 4). The resulting segment R" S" has coordinates R" (-1,4) and S" (-3,-2). What are the coordinates of the segment RS? R= S =
14.4.3 Quiz: Stretching and Compressing Functions Question 2 of 10 Suppose f(x) = x². What is the graph of g(x)=f(x)?
Point Q is a point on the side BC of a parallelogram ABCD. point M is on AQ so that 2AM=3QM. Ratio Area of DMQ : Area of ABCD is equal to:
A telephone exchange operator assumes that 8% of the phone calls are wrong numbers. If the operator is correct, what is the probability that the proportion of wrong numbers in a sample of 494 phone calls would differ from the population proportion by more than 3%? Round your answer to four decimal places.
In the first week of July, a record 1,040 people went to the local swimming pool. In the second week, 110 fewer people went to the pool than in the first week. In the third week, 145 more people went to the pool than in the second week. In the fourth week, 139 fewer people went to the pool than in the third week. What is the percent decrease in the number of people who went to the pool over these four weeks?
18. How does the product change when one of the factors in a multiplication problem is doubled? Give two examples to support your conclusion.
Find the amount of money you will have after 20 years if you invest $25,000 at a rate of 12% if interest is compounded a. Quarterly b. Continuously
