mona360
mona360 mona360
  • 03-09-2018
  • Mathematics
contestada

how do you solve this?

how do you solve this class=

Respuesta :

TheBreeze
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

Otras preguntas

for the function y=3x, what is the output when the input is -4?
Which practice is the best option for desktop security? A. Make a unique user ID and password for each account. B. Change the password of your account daily.
Does anyone know the coordinates points for this?
what kind of nutrients find in oatmeal
ᴍᴀɴɢᴀɴᴇsᴇ ɪᴠ ᴄʜʟᴏʀɪᴅᴇ
describe how the molten material in the mantel causes this movement of the lithospheric plates
Bethany had a beaker with a small amount of baking soda. She added a few drops of pickle juice to the baking soda and observed fizzing and bubbling. Based on he
The woolly mammoth lived during the Ice Age. Why did it become extinct? A) disease B) pollution C) over-hunting D) habitat change
During the editing process, you should check punctuation and fix citations add textual evidence and work on quotes fix organization and sentence structure c
Will give brainliest! In the diagram, which pair of angles are alternate interior angles? 2 and 5 1 and 7 5 and 3 7 and 4