9514 1404 393
Answer:
Step-by-step explanation:
The coefficients of y are opposites. Adding opposites results in a sum of 0. The y-term will be eliminated by adding the equations.
The result of that addition is ...
(5x +6y) +(5x -6y) = (32) +(8)
10x = 40
Turn 88% to a decimal.
88%= .88
25*.88= 22
Grace got 22 correct answers.
I hope this helps!
~cupcake
Answer:
$30
Step-by-step explanation:
She paid $24.72 for the 2 packages of chicken because $12.36×2=$24.72.
She paid $0.99 for the broccoli because $1.98×1/2=$0.99.
She paid $3.49 for the milk because one gallon of milk costs $3.49.
$24.72+$0.99+$3.49=$29.20.
$29.20+$0.80=$30.00.
She used $30.00 to pay for the items.
X+y=8
2x²-y=-5 add them up so that to eliminate y
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2x²+x+oy=3 ===> 2x²+x=3
