ccar8Aria7cocathern ccar8Aria7cocathern

08-09-2016
Mathematics

contestada

a plumber charges $55 for every service call, plus $20 for every hour. if you receive a bill for $150, how many hours did the plumber work at your house?

Respuesta :

breashaa breashaa

08-09-2016

subtract 55 from both sides.. divide both sides by 20 and get ... 4.75

Answer Link

Otras preguntas

A statistically significant test result (P ≤ 0.05) means that the test hypothesis is false or should be rejected. A P value greater than 0.05 means that no effe

Production The production function for a company is given by f(x, y) = 100x0.6y0.4 where x is the number of units of labor (at $48 per unit) and y is the number

Given z=(3x+4y) 4 , find 4 ∂x ∂z −3 ∂y ∂z 11. Given z=x 3 +y 5 ,x=2u−3v, and y= ln(2u+3v), find ∂u ∂z

The following relation r is on {1,4,7,10}. Let r be the relation xry iff y=x+3.List all elements in r.The following relation r is on 1,4,7,10. Let r be the rela

SerPSE10 25.C.OP.028. [4165732] Question Details Consider the circuit shown in the figure, where C1 = 4.20 uF and C2 = 2.00 uF. = C C2= 8.00 uF HE C2 What is th

A fitness company is building a 20-story high-rise. Architects building the high-rise know that wome working for the company have weights that are normally dist

For the function, find a form ula for the Riem ann sum obtained by dividing the interval [a,b] into n subintervals and using the right-hand endpointsfor each x

Prove analytically without graphing that for all Real x, the graphs of f(x) = x² + x + 2 and g(x) = x - 2 do not intersect.

A customer service department receives on average 150 calls per day and the number of calls received is Poisson distributed. What is the probability that no gre

Macro Economics focuses on the actions of individuals, within the economy, like households, workers, and businesses