Mathematics, 13.02.2022 08:20 brycehelmke60811
3 Two mobile phone companies have different tariffs for text messages:
Phone company X charges $20 per month for unlimited texts. .
Phone company Y charges $5 per month and $0.05 per text. .
a) For each company, write a formula that gives the total monthly charge
($C) for someone who sends n texts.
b) Draw a graph of C against n for both companies on the same axes,
showing the monthly charges for up to 500 texts.
c) From your graph estimate the number of texts at which both companies
would have the same monthly charge.
Answers: 3
Mathematics, 21.06.2019 16:30, unicornpoop54
Arandom sample of 150 high school students were asked whether they have a job. the results are shown in the table. have a job do not have a job male 48 35 female 41 26 select a ord or phrase from the drop-down menus to correctly complete the statements describing the association.
Answers: 1
Mathematics, 21.06.2019 17:30, nayellisoto15
Lance lived in portugal and brazil for a total of 14 months to learn portuguese. he learned an average of 130 new words per month when he lived in portugal, and an average of 150 new words per month when he lived in brazil. in total he learned 1920 new words. write a system of equations to represent the situation. use x to represent portugal, and y to represent brazil
Answers: 1
Mathematics, 21.06.2019 18:00, joshuahagerman1404
In triangle △abc, ∠abc=90°, bh is an altitude. find the missing lengths. ah=4 and hc=1, find bh.
Answers: 3
3 Two mobile phone companies have different tariffs for text messages:
Phone company X charges $20...
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