2 hamburger + 1 milk =5
1 hamburger + 2 milk =5-.25
1 hamburger + 2 milk =4.75
multiply this by -2
-2hamburger + -4 milk =-9.5
add the first equation
-2 hamburger + -4 milk =-9.5
2 hamburger + 1 milk =5
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-3 milk = -4.5
divide by -3
milk = 1.50
Answer: milk $1.50
Answer:
<h2>
x=1.8 cm</h2>
Step-by-step explanation:
(2x)²+(x+3)²=(2x+2.4)²
4x²+x²+6x+9=4x²+9.6x+5.76
5x²+6x+9-4x²-9.6x-5.76=0
x²-3.6x+3.24=0
(x-1.8) ²=0
x-1.8=0 => x=1.8 cm
Answer:
sorry I don't know this answer.......
Answer:
36m
Step-by-step explanation:
If the area of a square is 81 m
A=81m
but we know that A=l² so l=radA
l=9m
p=4l
finally p=4•9=36m