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2 answers:
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Answer:
The equation in the slope-intercept form is y = + -6 ⇒ C
Step-by-step explanation:
The slope-intercept form of the linear equation is
y = m x + b, where
- m is the slope of the line
- b is the y-intercept
∵ The equation is 13x - 3y = 18
→ At first move x from the left side to the right side by subtracting 13x
from both sides
∴ 13x - 13x - 3y = 18 - 13x
∴ - 3y = 18 - 13x
→ Make the coefficient of y equal 1 by dividing both sides by -3
∵
∴ y = -6 - ()
→ Remember (-)(-) = (+)
∴ y = -6 +
→ Switch the two terms of the right side
∴ y = + - 6
∴ The equation in the slope-intercept form is y = + -6
Answer:
A) is the expression to represent total amount of money she earns babysitting for Smith family.
B) she will earn for Smith family for 7 hours
C) It would take for Margie to make
when babysitting for the Smith family
Step-by-step explanation:
Given.
Mr. and Mrs. Smith pay Margie an hour to babysit their son, Shea.
Mr. and Mrs. Jones pay Margie $8 an hour to babysit their children, Sarah, Susan, and Dawn.
Let x be number of hours.
Solving for Part A.
Amount of Money earn from Smith family = Pay per hour Number of hours =
Solving for Part B.
x=7
Margie earns from smith family for 7 hours =
Solving for part C.
Margie earned =
To find number of hours
No of hour Margie has done babysitting for Smith family