3 years ago

Y

Mathematics

1 answer:

Schach [20]3 years ago

5 0

Answer:

step 1:

2,-5

step 2:

7,1

step 3:

6/5

Step-by-step explanation:

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4 hours

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For three visits, the electrician earned $40 × 3 = $120 in "per-visit" charges. For working x hours, he earned 20x in "per-hour" charges. The total of these came to 50x:

120 +20x = 50x

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3 years ago

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Sunny_sXe [5.5K]

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AC ≈ 12.9 cm

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