The relationship between the postage rate and the weight of a letter can be defined
Mathematics, 24.02.2021 19:10, poliver
15
1.25
The relationship between the postage rate and the weight of a letter can be defined
by a piecewise function.
The graph shows the 2018 postage rates for using regular service to mail a letter.
1
postage (dollars)
0.75
05
0.25
os 1 1.5 2 253 25
weight (ounces)
Kiran and Mai wrote some rules to represent the postage function, but each of them made some errors.
Kiran
Mai
K(w)
0.50, 0
0.71, 13w < 2
0.92, 2
1.13, 3 < W<3.5
M(w) =
0.50, 0 < W< 1
0.71, 1
0.92, 2
1.13, 3
Identify the error in each person's work and write a corrected set of rules.
Answers: 3
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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
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Answers: 2
15
1.25
The relationship between the postage rate and the weight of a letter can be defined
The relationship between the postage rate and the weight of a letter can be defined
Mathematics, 17.03.2020 22:20
Mathematics, 17.03.2020 22:20