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infoneetusinghoyg22o
10.02.2021 •
Mathematics
Tomas works for a cellphone company. he has a base salary of $350 each month and earns an additional $40 for each cellphone he sells. write a function (linear equation) in slope-intercept form (y = mx + b) that represents tomas' total earnings (y) for one month for selling (x) number of cellphones. Use the linear equation from question 1 to determine Tomas' earnings for a month where he sold 30 cellphones. *
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Ответ:
The function is![y = 40x + 350](/tpl/images/1107/7918/94c7c.png)
When he sold 30 cellphones, he earned $1550.
Step-by-step explanation:
Equation of a line:
The equation of a line has the following format:
In which m is the slope(how much y changes when x changes by 1), and b is the y-intercept, that is, the value of w when x = 0.
Base salary of $350 each month and earns an additional $40 for each cellphone he sells.
If he sells 0 cellphones, he earns $350, so
.
For each cellphone he sells, he earns $40, so![m = 40](/tpl/images/1107/7918/a0e67.png)
The function is:
Tomas' earnings for a month where he sold 30 cellphones.
This is y when
. So
When he sold 30 cellphones, he earned $1550.
Ответ:
The remote interior angles are the two angles not adjacent to a certain exterior angle