kieante01
kieante01
03-06-2017
Mathematics
contestada
PLZZZZ NEED HELP!!!!!
Respuesta :
jamiexx
jamiexx
04-06-2017
use simultaneous equations
a + c =6 (1)
45a + 15c = 150 (2)
from (1)
c = 6-a (3)
sub 3 into (2)
so the answer is 45a + 15(6-a) = 150, so is B
Answer Link
VER TODAS LAS RESPUESTAS ( 55+ )
Otras preguntas
What is overload? Explain whether overload is good or bad
Congress passed the Securities Exchange Act of 1934, which created the Securities Exchange Commission. This legislation, which created an independent regulator
Find the sample size, n, needed to estimate the percentage of adults who have consulted fortune tellers. Use a 0.02 margin of error, use a confidence level of 9
Rhonda is currently in the 12 percent tax bracket. She reports a $400 tax deduction. How will this deduction affect her tax liability?
It is observed that a certain bacteria culture has a relative growth rate of 15% per hour, but in the presence of an antibiotic the relative growth rate is redu
Ray baked a cake. The total mass of the cake was equal to the total mass of the ingredients. This is an example of what?
The therapist says, "Give me shoe" while pointing to the shoe. This best describes which stimulus prompt?
If the 20-mm-diameter rod is made of A-36 steel and the stiffness of the spring is k = 55 MN/m , determine the displacement of end A when the 60-kN force is app
A large crane used at a construction site has a 253 foot reel of cable. A 3-foot section of cable weighs 2 pounds. What is the weight of the cable on the reel?
Do some research online to determine what seafood in your state might not be safe to eat and explain what problems are common in your region that arise from eat
