3/8/2021
Algebra 2 (1A) S2
Warm-up Question
A used book store also started selling used...
Mathematics, 08.03.2021 16:40 gamallopatty
3/8/2021
Algebra 2 (1A) S2
Warm-up Question
A used book store also started selling used CDs and videos. In the
first week, the store sold a combination of 40 CDs and videos. They
charged $4 per CD and $6 per video and the total sales were $180.
Determine the total number of CDs and videos sold.
Answers: 3
Mathematics, 22.06.2019 02:30
An engineer is going to redesign an ejection seat for an airplane. the seat was designed for pilots weighing between 120 lb and 161 lb. the new population of pilots has normally distributed weights with a mean of 125 lb and a standard deviation of 28.1 lb. a)if a pilot is randomly selected, find the probability that his weight is between 120 lb and 161 lb.the probability is approximately? b. if 36 different pilots are randomly selected, find the probability that their mean weight is between 120 lb and 161 lb. the probability is approximately? c. when redesigning the ejection seat, which probability is more relevant? . part (b) because the seat performance for a single pilot is more important. b. part (b) because the seat performance for a sample of pilots is more important. c. part (a) because the seat performance for a sample of pilots is more important. d. part (a) because the seat performance for a single pilot is more important.
Answers: 3
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Evaluate f(x) when x= -9. f(x)= 16x® + 2 6 12 if 9 < x < 13 no solution 488 12
Answers: 1
Mathematics, 22.06.2019 06:30
1. write a quadratic function, in standard form, that fits the set of points. solve it as a system of three equations (-4, 9), (0, -7), and (1, -1)
Answers: 2
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