Use the given conditions to write an equation for the line in point-slope form and general form.
1 answer:
Answer:
y=-5x+28 general form
slope point :y-(-7)=-5(x-7)
Step-by-step explanation:
definition :perpendicular slopes are negative reciprocals of each other
x-5y-2=0
y=1/5 x-2/5
slope of the perpendicular line =1/m=-1/(1/5)=-5
slope point :y-(-7)=-5(x-7)
find b :
y=-5x+b
-7=-5(7)+b
b=-7+35=28
y=-5x+28
y=1/5 x-2/5
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Answer:
The closest amount paid is $23
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Step-by-step explanation:
Given
Amount = 10% of Marked down price
Required
Determine the amount paid
First, we calculate the marked down price P2:
Substitute values for Price and Mark down
Express percentage as decimal
Remove bracket
The payable amount is 10% off the marked down price,
This is calculated as:
Substitute $25.6 for P2
Express percentage as decimal
<em>The closest amount paid is $23</em>