Mathematics, 11.02.2022 01:50 webbjalia04
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The distribution of the amount of money spent by students on textbooks in a semester is approximately normal in shape with a mean of 442 and a standard deviation of 21.
According to the standard deviation rule, approximately 68% of the students spent between $ and $ on textbooks in a semester.
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For the quadratic function [tex]y=(x+4)^2-1[/tex] , do the following: a) rewrite the function in the standard form, b) rewrite the function in intercept form, c) find the vertex, d) find the y-intercept, e) find the x-intercepts.
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One cell phone plan charges $20 per month plus $0.15 per minute used. a second cell phone plan charges $35 per month plus $0.10 per minute used. write and solve an equation to find the number of minutes you must talk to have the same cost for both calling plans.
Answers: 2
PLEASE HELP ASAP. BRAINLIEST
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