Im bad at this but is it 11xy ? chile anyways
<span>We'll make $10 x and the $20 y.
x + y = 7,200
10x + 20y = 113000
10x + 10y = 72000
10x + 20y = 113000
10y = 41,000
y = 4,100
Substitute y = 4,100
x + y = 7,200
x + 4,100 = 7,200
x = 7,200 - 4,100
x = 3,100
3,100 x $10 tickets
4,100 x $20 tickets</span>
HI there i know this is way later than you needed it but I though i would give you the correct answer which is B x=±√15/3 i also have proof from an old test that my answer is right.
Answer: z = -7
Step-by-step explanation:
Simplify the equation so the Integer is on the right:
8 - 12z = 92
-12z + 8 = 92
Now subtract 8 from both sides:
-12z + 8 - 8 = 92 - 8
-12z = 84
Now divide both sides by 12 to get z by itself:
-12z/-12 = 84/-12
z = -7