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Tresset [83]
3 years ago
6

Painter A charges $70 to start a job and $80 per hour he/she is there. Painter B charges $100 per hour. Write an inequality that

would determine how many hours would the job take for Painter A to be less expensive and solve.
Mathematics
1 answer:
Debora [2.8K]3 years ago
8 0

Let the number of hours be x.

70 + 80x < 100x

20x > 70

x > 3.5

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Answer:

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2 years ago
What 2 numbers equal to 8 when multiplied and 6 when added
expeople1 [14]
2 nuumbers multiply to 8 an addd to 6
factor 8 and add teh factor pairs
1,8
2,4


8+1=9
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numbers are 2 and 4

if you were to solve it the
xy=8
x+y=6

y=6-x
x(6-x)=8
6x-x^2=0
0=x^2-6x+8
facotr
0=(x-2)(x-4)
set each to zero
x-2=0
x=2

x-4=0
x=4

x=2 or 4 and since they are interchangable, the numbes are 2 and 4

4 0
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