X+5y=-11 (1)
2x-3y=17 (2)
2(1)-(2)
2x+10y-2x+3y=-22-17
13y=-39
y=-3
Sub y=-3 in (1)
x+5(-3)=-11
x=4
So x+y= -3+4 =1
Answer:
You want 40% of 140 gallons to be methane,
so 60% of 140 gallons is water
methane: 0.4(140) = 56 gallons
water: 0.6(140) = 84 gallons
Step-by-step explanation:
7.38 x 10^9 is the correct answer. Hope this helps
Answer: 16 2/3 divided by 1/6= 100
Answer:
B. Find the area of the triangle PQR.
