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 ( 37+ )
Otras preguntas
Help please on these thanks
Is the following relation a function ?
Explain and evaluate what david hume means by saying that we have no evidence of the self.
"what should be done about the problem of identity theft?" is a poorly phrased central idea for a persuasive speech because it is
The questions who, what, why, when, where, how, and how much were introduced as a way to
WILL CHOOSE BRAINLIEST!!!! Teenage drivers in the 16- to 19-year-old age group are how many times more likely than older drivers to crash? two times more likely
Linda and Colleen both leave the library at the same time, but in opposite direction. If Colleen travels 8mph faster than Linda and after 8 hours they are 176 m
Fermium-253 has a half life of three days. A sample contains 400 g. How long will it take for the sample to decay to 100 g?
The ancient chinese made their instruments from many materials. which of the materials listed below were used to construct ancient chinese instruments
The Waist to Hip Ratio (WHR) is a ratio commonly expressed as a decimal that has been shown to be a good predictor of possible cardiovascular problems in both m