Mathematics, 13.02.2020 21:21 jessieeverett432
If drama babysits for 2 hours she earn $14 if she baby sit 4 hours she earns $28 write the equation that describes the relationship between the amount of money that drama earns b and the number of hours that she babysits a
Answer from: gabbyallen9703
b = 7a
Step-by-step explanation:
Let b represent the amount of money that she earns in babysitting.
Let a represent the number of hours that she babysits.
Assuming b is plotted on the y axis and a is plotted on the horizontal axis of a graph, the equation of the line can be modelled in the slope intercept form. It is expressed as
y = mx + c
c = intercept
m = slope = (y2 - y1)/(x2 - x1)
m = (28 - 14)/(4 - 2) = 14/2 = 7
To determine the intercept, c, we would substitute m = 7, y = 28 and
x = 4 into equation y = mx + c. It becomes
28 = 7 × 4 + c
c = 28 - 28 = 0
The equation that describes the relationship would be
b = 7a
Answer from: Quest
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Answer from: Quest
It is 6% because if you subtract 69-58=6 so 6% is the answer to your question.
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