anonymous
  • anonymous
Tiya earns $7 an hour mowing her neighbor's lawn. Part A: Create two variables and determine which is dependent and which is independent for this situation. (4 points) Part B: List three ordered pairs to show the values of the two variables. (3 points) Part C: Write an equation to represent the relationship between the two variables. (3 points)
Mathematics
  • Stacey Warren - Expert brainly.com
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jamiebookeater
  • jamiebookeater
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anonymous
  • anonymous
@kenziemac1029
mathstudent55
  • mathstudent55
Part A. Let h = number of hours (independent) You can come up with any number of hours. Let s = the salary (dependent) Depending on the number of hours, the salary if calculated.
anonymous
  • anonymous
hqw about pt b

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anonymous
  • anonymous
how
mathstudent55
  • mathstudent55
For part B. If Tiya makes $7 per hour, how much will Tiya make for working 2 hours?
anonymous
  • anonymous
so the answer is?????
anonymous
  • anonymous
i didnt understand it
mathstudent55
  • mathstudent55
I asked you a question. Can you answer it?
mathstudent55
  • mathstudent55
If Tiya earns $7 per hour, how much does Tiya earn for working for 2 hours?
anonymous
  • anonymous
14 dollars for 2 hours
mathstudent55
  • mathstudent55
Correct. That gives you one ordered pair: (2, 14)
anonymous
  • anonymous
ok so part b is
mathstudent55
  • mathstudent55
If Tiya works for 1 hour, hoe much does Tiya earn?
mathstudent55
  • mathstudent55
This is part B, but we need 3 ordered pairs.
anonymous
  • anonymous
7 dollars
mathstudent55
  • mathstudent55
Second ordered pair (1, 7)
mathstudent55
  • mathstudent55
If Tiya works for 5 hours, how much does Tiya earn?
anonymous
  • anonymous
35
mathstudent55
  • mathstudent55
Excellent. Third ordered pair: (5, 35)
mathstudent55
  • mathstudent55
The answer to part B is simply: (2, 14) (1, 7) (5, 35)
mathstudent55
  • mathstudent55
Each ordered pair is made up of (h, s), where h = number of hours worked, and s = salary earned.
anonymous
  • anonymous
so now what is pt a and c
mathstudent55
  • mathstudent55
Read way above what Part A is. It even mentions Part A.
mathstudent55
  • mathstudent55
Part A is choosing the variables. It's way above.
anonymous
  • anonymous
Part A. Let h = number of hours (independent) You can come up with any number of hours. Let s = the salary (dependent) Depending on the number of hours, the salary if calculated.
anonymous
  • anonymous
ok thx so now its just c
mathstudent55
  • mathstudent55
Now let's do part C. For working 1 hour, Tiya earns 7 * 1 For working 2 hours, Tiya earns 7 * 2 For working 3 hours, Tiya earns 7 * 3 For working 4 hours, Tiya earns 7 * 4 You get it so far?
anonymous
  • anonymous
yes
mathstudent55
  • mathstudent55
Here is the question: When Tiya works for h hours, how much does Tiya earn? Follow the pattern above.
anonymous
  • anonymous
what is h hours?
mathstudent55
  • mathstudent55
The pattern is the hourly salary, $7, times the number of hours. Now the number of hours is h. What is the hourly salary times h?
anonymous
  • anonymous
for 5 hours she earns 35 for 6 she earns 42
mathstudent55
  • mathstudent55
h is the variable we chose above to represent the number of hours Tiya worked. For working 1 hour, Tiya earns 7 * 1 For working 2 hours, Tiya earns 7 * 2 For working 3 hours, Tiya earns 7 * 3 For working 4 hours, Tiya earns 7 * 4 etc. For working h hours, Tiya earns _______
anonymous
  • anonymous
for 7 she earns 49
anonymous
  • anonymous
for 8 she earns 56
mathstudent55
  • mathstudent55
Yes you are correct, but you can't name every different number of hours she works, so we need a general expression to show how much she earns. We use the variable h to represent the number of hours. We have seen that when you multiply 7 by the number of hours, you have what she earned. If she works h hours, she earns 7 times h. 7 times h = 7 * h = 7h
mathstudent55
  • mathstudent55
This means the answer to Part C. is s = 7h
anonymous
  • anonymous
so what is c
anonymous
  • anonymous
ok thx
anonymous
  • anonymous
thats it just s = 7h
mathstudent55
  • mathstudent55
Remember from part A. s = salary and h = number of hours Tiya worked. s = 7h means that the amount of money Tiya earns is always 7 times the number of hours she works.
mathstudent55
  • mathstudent55
Yes. Part C. is simply: s = 7h

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