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sertanlavr [38]
3 years ago
14

A plumber charges a flat rate of $50 and $25 an hour for the work. The plumber received $150 for his services. How many hours di

d the plumber work?
Mathematics
2 answers:
snow_tiger [21]3 years ago
6 0
I think the plumber worked for 2 hours in total because 50+25=75 then 75 multiplied by 2 is $150
Dahasolnce [82]3 years ago
5 0
The plumber worked 4 hours total 
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The percentage, P, of U.S. voters who use punch cards or lever machines in national elections can be modeled by the formula: P =
Ne4ueva [31]

Answer:

From 2004 onwards, fewer than 38.1% of U.S. voters use punch cards or lever machines

Step-by-step explanation:

The percentage of U.S. voters who use punch cards or lever machines in national elections, in x years after 1994, is given by the following equation:

P(x) = -2.5x + 63.1

In which years will fewer than 38.1% of U.S. voters use punch cards or lever machines?

In x years after 1994 onwards.

x is found when P(x) = 38.1.

So

P(x) = -2.5x + 63.1

38.1 = -2.5x + 63.1

2.5x = 25

x = \frac{25}{2.5}

x = 10

From 2004 onwards, fewer than 38.1% of U.S. voters use punch cards or lever machines

7 0
3 years ago
If 150 bars equals 350 hars, and 200 gars equals 25 hars, how many bars is 112.5 hars
lilavasa [31]

Answer:

48.214 bars

Step-by-step explanation:

112.5 hars * (150 bars / 350 hars) = 48.214 bars

6 0
1 year ago
What are the roots of the equation? 2x2+x=6 Select each correct answer.
Georgia [21]

Answer:

x = 2

Step-by-step explanation:

2x2=4

4+2=6

6=6

There hope that is what you are looking for

3 0
3 years ago
There are 100 bolts and 2 wingnuts in each bookcase kit. What is the unit rate in bolts per wingnut?
gayaneshka [121]
Since they are asking for the unit rate in bolts per wing nut, you can think of it as bolts per ONE wing nut. 

To figure that out, you can divide 100 bolts by 2 wing nuts to get 50 bolts per wing nut. 
3 0
3 years ago
Read 2 more answers
IF YOU ANSWER FIRST ILL GIVE BRAINLYEST
pickupchik [31]

Answer:

I might be wrong but i looked it over, and I think the answer can be  B

Step-by-step explanation:

I dont know for sure but i think it might be.

3 0
3 years ago
Read 2 more answers
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