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)

- anonymous

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- anonymous

@kenziemac1029

- 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

hqw about pt b

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## More answers

- anonymous

how

- mathstudent55

For part B.
If Tiya makes $7 per hour, how much will Tiya make for working 2 hours?

- anonymous

so the answer is?????

- anonymous

i didnt understand it

- mathstudent55

I asked you a question. Can you answer it?

- mathstudent55

If Tiya earns $7 per hour, how much does Tiya earn for working for 2 hours?

- anonymous

14 dollars for 2 hours

- mathstudent55

Correct.
That gives you one ordered pair: (2, 14)

- anonymous

ok so part b is

- mathstudent55

If Tiya works for 1 hour, hoe much does Tiya earn?

- mathstudent55

This is part B, but we need 3 ordered pairs.

- anonymous

7 dollars

- mathstudent55

Second ordered pair (1, 7)

- mathstudent55

If Tiya works for 5 hours, how much does Tiya earn?

- anonymous

35

- mathstudent55

Excellent.
Third ordered pair:
(5, 35)

- mathstudent55

The answer to part B is simply:
(2, 14)
(1, 7)
(5, 35)

- mathstudent55

Each ordered pair is made up of (h, s), where h = number of hours worked, and s = salary earned.

- anonymous

so now what is pt a and c

- mathstudent55

Read way above what Part A is. It even mentions Part A.

- mathstudent55

Part A is choosing the variables. It's way above.

- anonymous

- anonymous

ok thx so now its just c

- 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

yes

- mathstudent55

Here is the question:
When Tiya works for h hours, how much does Tiya earn?
Follow the pattern above.

- anonymous

what is h hours?

- 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

for 5 hours she earns 35 for 6 she earns 42

- 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

for 7 she earns 49

- anonymous

for 8 she earns 56

- 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

This means the answer to Part C. is
s = 7h

- anonymous

so what is c

- anonymous

ok thx

- anonymous

thats it just s = 7h

- 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

Yes.
Part C. is simply:
s = 7h

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