mona360
mona360
03-09-2018
Mathematics
contestada
how do you solve this?
Respuesta :
TheBreeze
TheBreeze
03-09-2018
a) C = 40 + 30t
b) 280 = 40 + 30t
30t = 240
t = 8
The plumber worked 8 hours
Answer Link
churchkeys88
churchkeys88
03-09-2018
C is equal to (30 x t) + 40
C = 30t + 40
we are given that C = 240
280=30t + 40
solve for t
t = 8 hrs
Answer Link
VER TODAS LAS RESPUESTAS ( 39+ )
Otras preguntas
A pump is used to empty a 5200 L wading pool. The water exits the 3.0-cm-diameter hose at a speed of 2.2 m/s .How long will it take to empty the pool? Express y
The bandwidth of the medium is measured as ____. bits per second (bps) amps per second (bps) characters per second (cps) words per second (bps)
he magnetic flux through a loop of wire decreases from 1.7 Wb to 0.3 Wb in a time of 0.4 s. What was the average value of the induced emf, in units of volts?
as a linear cost function. Find the cost function. Assume that the situation can be expressed Fixed cost is $100 20 items cost 500 to produce. The linear cost f
How can the PCR process help in maintaining the identity of the killer
This question is "Create expressions with parentheses". Need help!!
What does heat cause atoms to do?
My Notes OAsk Your Tea The radioactive isotope of lead, Pb-209, decays at a rate proportional to the amount present at time t and has a half-life of 3.3 hours.
What impact did the napoleonic wars have on popular culture.
The height of your father is 70 inches. What is his height to the nearest centimeter, if there are 2.54 centimeters in an inch?
