Mathematics, 19.05.2020 21:04 makenziehook8
Two rival dry cleaners both advertise their prices. Store A's prices are modeled by the expression 20x - 9, where x is the number of items brought in. Store B's prices are modeled by the expression 5(4x+9), where x is the number of items brought in. When do the two stores charge the same rate?
Answers: 3
Mathematics, 21.06.2019 13:30
One expression below in undefined, and the other expression has a well defined value. which expression is undefined and explain why it has no value. which expression is defined? what is the value of that expression and how do you know? what is a different expression using a trig inverse function that is also undefined?
Answers: 1
Mathematics, 21.06.2019 19:30
Needmax recorded the heights of 500 male humans. he found that the heights were normally distributed around a mean of 177 centimeters. which statements about max’s data must be true? a) the median of max’s data is 250 b) more than half of the data points max recorded were 177 centimeters. c) a data point chosen at random is as likely to be above the mean as it is to be below the mean. d) every height within three standard deviations of the mean is equally likely to be chosen if a data point is selected at random.
Answers: 2
Mathematics, 22.06.2019 00:30
Grace is standing 18 feet from a lighthouse and kelly is standing 10 feet from grace. the angle that grace looks up to see the top of the lighthouse is 45°. the angle that kelly looks up to see the top of the lighthouse is y°. find the height, h, of the lighthouse. find the angle, rounded to the nearest tenth of a degree, in which kelly looks up to the top of the lighthouse. to the nearest tenth of a degree, find the value of x° . in two or more sentences, explain your calculations
Answers: 1
Two rival dry cleaners both advertise their prices. Store A's prices are modeled by the expression 2...
Chemistry, 25.08.2021 19:10
Mathematics, 25.08.2021 19:10
Mathematics, 25.08.2021 19:10
Mathematics, 25.08.2021 19:10
Mathematics, 25.08.2021 19:10
Mathematics, 25.08.2021 19:10
Mathematics, 25.08.2021 19:10
Mathematics, 25.08.2021 19:10