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kondaur [170]
3 years ago
5

A plumber charges a $55 house call fee and an additional $42 an hour. He fixes the pipes in your building and charges $265. Solv

e the following equation to determine h, the number of hours the plumber worked.
Mathematics
1 answer:
Elina [12.6K]3 years ago
4 0

Answer:

Step-by-step explanation:

You haven't given the equation, but I can make one up.

Cost = 55 + 42*h

So let the cost = 265 dollars

265 = 55 + 42h             Subtract 55 from both sides

210 = 42h                      Divide both sides by 42

210/42 = 42h/42

h = 5

He worked 5 hours.

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Evaluate bcl, given a = 5, b=-3, and c= -2.
KATRIN_1 [288]

Answer:

bcl is the same as b•c•l

therefore, -3•-2•5

=30

5 0
3 years ago
The aquarium has 6 fewer yellow fish than green fish. 40 percent of the fish are yellow. How many green fish are in the aquarium
Brilliant_brown [7]
Y = number of yellow fish
G = number of green fish

Y = G - 6
Y = 0.40 * (Y+G)

G - 6 = 0.4*(G-6+G)
G - 6 = 0.4*(2G-6)
G - 6 = 0.8G -2.4
0.2G = 3.6
G = 3.6/0.2=18


There are 18 green fish.
7 0
3 years ago
Can someone please help me with this
Murljashka [212]
The answer is:  [C]:  "  2/3, 6/9, 8/12 " .
____________________________________________
4 0
4 years ago
Read 2 more answers
180 = −9d + 9 d = I need to find what d is
omeli [17]

Answer:

-19

Step-by-step explanation:

3 0
3 years ago
Read 2 more answers
Every hour is 65 miles so how long does it take the car to travel 26 miles at this speed?
mr_godi [17]

Answer:

.4 hours or 24 minutes

Step-by-step explanation:

We can use proprtions to solve this problem.  Put distance over time

65 miles      26 miles

------------- = -----------

1 hour          x hours

Using cross products

65x = 26

Divide by 65

65x/65 = 26/65

x = .4 hours

or we can change to minutes

.4 hours * 60 minutes/ 1 hour = 24 minutes

4 0
3 years ago
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