3 years ago

A plumber charges $50 to make a house call. He also charges $25 per hour for labor. If the bill from the plumber is $162.50.

Mathematics

1 answer:

blsea [12.9K]3 years ago

3 0

4.5 hrs because 162.50-50 = 112.50
112.50/25= 4.5

You might be interested in

How will the graph of g(x) = 8x-1 differ from the graph of f(x) = 8x ?

exis [7]

The graph of y =8x goes through the origin (0,0) the graph of Y = 8x-1 is displaced on the negative y -axis and goes through the point (0, -1)

3 0

3 years ago

Read 2 more answers

Plz help i need the answer

astra-53 [7]

Part A:
Area of a circle is pi*radius^2
a=3.14*1^2
a=3.14

Part B:
Area of a rectangle is length*width
a=5*7
a=35

Part C:
Area of the shaded part would be the area of the rectangle - the area of the circle
a=35-3.14
a=31.86

5 0

3 years ago

Read 2 more answers

About 12% of individuals write with their left hands. If a class of 130 students meets in a classroom with 130 individual desks,

Lynna [10]

Answer:

0.1019

Step-by-step explanation:

Probability, p=12%=0.12

Sample size, n=130 students

Those writing with left=14 students

Using the formula for binomial distribution

P(X≤x)= $\left[\begin{array}{}n\\x\end{array}\right]p^{x}(1-p)^{n-x}$

Substituting 0.12 for p, 130 for n, 14 for x we obtain

P(X≤x)= $\left[\begin{array}{}130\\14\end{array}\right]0.12^{14}(1-0.12)^{130-14}$

P(X≤x)= $130C14*0.12^{14}(0.88)^{116}$

P(X≤x)=0.1019

3 0

3 years ago

-5x+y=-4 in function form

DaniilM [7]

In standard form it would be y= 5x - 4

6 0

3 years ago

I need help with geometry

VLD [36.1K]

Answer:

180-71

=109

the last one

5 0

3 years ago