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 ( 35+ )
Otras preguntas
when y varies directly with x, if y = 9 and x = 8 find y when x = 16
What is the relationship between the frequency and the pitch of a sound? A.As the frequency of a sound increases, the pitch decreases. B.As the frequency of a
Write the equation of the line passing through the given pair of points. (-9, 7) and (-9, -1)
What is the atomic mass of dinitrogen trioxide (atomic mass of oxygen=15.999 u; atomic mass of nitrogen = 14.007 u)?
Early __________ mimicked the patterns and colors of quillwork.
Which is bigger 1/4” or 7/16”?
the length of a rectangle is 2 feet longer than the width. the perimeter is 24 feet. find the dimensions of the rectangle.
Need help with this Spanish hw
Q8.what happened to the mixture?
A system to maintain homeostasis must have at least four parts that function together. name these abd bruefly explain what each one does
