HELP ASAP

Mathematics

2 answers:

rusak2 [61]3 years ago

6 0

Answer:

Part A and Part C : Let x represents the number of hours and y represents the earning after x hours,

As per statement,

The earning is $5 for an hour,

Thus, the earning for x hour = 5x

⇒ y = 5x -----(1)

Which is the equation that shows the relationship between the two variables ( x and y ),

Since, earning is dependent on the time,

⇒ y is dependent variable and x is independent variable,

Part B :

From equation (1),

For x = 1, y = 5,

For x = 2, y = 10,

For x = 3, y = 15,

Hence, the possible order pairs that shows the value of the values of the two variables are (1,5), (2, 10) and (3, 15).

beks73 [17]3 years ago

3 0

D=dollars earned
T=time spent painting the fence.

(1,5) (2,10) (3,15)

D=5T

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Sylvie finds the solution to the system of equations by graphing. y = x + 1 and y = x – 1 Which graph shows the solution to Sylv

Furkat [3]

Graphs of y = x+- 1 and of y = x - 1 are shown in the figure below.
The intersection of the two graphs is the solution for the two equations.

Answer:
There is no solution.

Explanation:
It is clear that the two lines are parallel and will never intersect.

Note that the equation for a straight line is of the form
y = mx + b
where
m = slope,
b = y-intercept.

y = x + 1 has slope of m=1.
y = x - 1 has slope of m=1.
The two slopes are equal.
Because parallel lines do not intercept, there is no solution.