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 ( 61+ )
Otras preguntas
What was the first strategy the Japanese used with their new industrial strength?
what is equivalent to 9(2−x)
Angelica is buying a dress that regularly costs $86. However, the dress is on sale for 25% off the regular price. A sales tax of 4% will be added to the final p
Hola me pueden ayudar por favor es de matemáticas 4×(-5)= 2×(-9)=-1×(-2)=-3×(-2)=6×(-7)=4×(-9)=-6×(-2)=-10×(-5)=
Thirty-two dogs are at a doggie daycare. They are separated by size into 4 equal groups. Each group is evenly split among 2 employees. Which equation can be use
How does the process of cytokinesis differ from the process of mitosis?
this is a d u m b question how did games start becoming good and when did the first game come out???????
Approximately what percentage of the national budget is spent on defense? A. 5 percent B. 20 percent C. 45 percent D. 60 percent
Which of these inferences about non-Jewish Germans is best supported the text? O A. Most other Germans were unaware that there were attacks on Jews taking plac
Aunt Polly asked Tom to paint the entire fence, but he painted only 8 yards and then ran away to play. Sid had to finish the job for Tom. Sid started at noon, a