Mathematics, 08.04.2022 09:00 dounutalien
A graph has time (hours) on the x-axis and Total costs (dollars) on the y-axis. Points are at (4, 52), (5, 60), (6, 68) and (7, 76).
The graph shows the charges of an instructor. The instructor charges an initial fee and then an hourly rate of $8.00 an hour for private lessons. Determine the instructor’s initial charge from the graph.
$
Answers: 2
Mathematics, 21.06.2019 16:50
Rockwell hardness of pins of a certain type is known to have a mean value of 50 and a standard deviation of 1.1. (round your answers to four decimal places.) (a) if the distribution is normal, what is the probability that the sample mean hardness for a random sample of 8 pins is at least 51?
Answers: 3
Mathematics, 22.06.2019 07:00
The diagram shows how an image is produced by a plane mirror. which letter shows where the image will be produced?
Answers: 1
A graph has time (hours) on the x-axis and Total costs (dollars) on the y-axis. Points are at (4, 52...
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