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pav-90 [236]
4 years ago
7

Jackson’s car was making a rumbling noise for two weeks. He decided to take it to the mechanic to get it checked out. To diagnos

e the problem, the mechanic tells Jackson that he charges a flat fee of $60 and $35 for each hour he spends trying to identify the problem.
Write a linear equation in ​y = mx+b​ form to represent the cost of getting Jackson’s car diagnosed.



A.
y = 35x + 60

B.
y = 60x + 35

C.
y = 95x
Mathematics
2 answers:
lutik1710 [3]4 years ago
5 0

Answer:

The correct answer is A

Step-by-step explanation:

Y=The total cost including the flat fee

m=35 (cost per hour)

x= the unidentified hours it will take him

b= the on time flat fee that is added to the total

Final equation: y=35x+60

Fofino [41]4 years ago
4 0

Answer:

A

Step-by-step explanation:

The correct answer is A because 60 dollars is the flat rate and it is not being multiplied consistently.

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serg [7]

Answer:

Option a) is correct  that is -49.

Step-by-step explanation:

We have been given  the  two functions in which one of them is dividend and the other one is divisor

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3 0
3 years ago
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in her kayak bunny can travel 70 miles downstream with the current in 5 hours. the return trip against the current takes 7 hours
Alinara [238K]

9514 1404 393

Answer:

  • kayak: 12 mph
  • current: 2 mph

Step-by-step explanation:

Bunny's rate downstream is ...

  (70 mi)/(5 h) = 14 mi/h = k + c

Bunny's rate upstream is ...

  (70 mi)/(7 h) = 10 mi/h = k -c

The kayak speed is the average of these:

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Then the current speed is ...

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The still-water speed of the kayak is 12 mi/h; the speed of the current is 2 mi/h.

_____

<em>Additional comment</em>

World-class kayak paddlers will not maintain a speed more than 8 mi/h for that distance and/or time (140 miles in 12 hours). Bunny is exceptional.

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3 years ago
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