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 ( 32+ )
Otras preguntas
How is your guys day? :D
The graph shown can be used to convert between kilometres and miles. 80 70 a) Convert 42 miles to kilometres. 60 67.5 kilometres 50 b) Convert 35 kilometres to
Which has a higher resistance, a 25 W lightbulb or a 50 W bulb?
Which of the following shows the correct conversion of 2:35p.m to military time? A) 14:35 B) 12:35 C) 02:35 D) 23:35
Calculate the product and enter it below. -13-(-3) Answer here
How did the South Carolina Black codes define “persons of color” in the Black Codes?
A cleaning solution is 20% ammonia. Graph the relationship between the number of ounces of ammonia, y, and the number of ounces of cleaner, z. To graph the line
What should you do when you become frustrated while trying to talk to a person with alzheimer's disease? argue with the person. raise your voice to the person.
which fraction is equivalent to 2/6?
Divide ₹200 in the ratio 2:3
