X+ 2y=5
X=5-2y
2x+4y=3
2(5-2y)+4y=3
10-4y+4y=3
10=3
5x+2y=3
5(5-2y) +2y=3
25-10y+2y=3
-8y=-22
Y=-22/-8
Y=2.75
6x+12y=30
6(5-2y)+12y=30
30-12y+12y=30
30=30
3x+4y=8
3(5-2y)+4y=8
15-6y+4y=8
-2y=8-15
-2y=-7
Y= -7/-2
Y= 3.5
The answer is 151 adult tickets. All you have to do is divide 2416 by 16 and you get 151
Answer:
The first one: 19/15a
second one: b²-4ac = D
Step-by-step explanation:
for first one: take LCM and solve
for second one: you square the expression on both sides then b²= D + 4ac, then when you take 4ac to the left hand side, it becomes b²-4ac= D
Answer + Step-by-step explanation:
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15⁶ × 15³ = 15⁶⁺³ = 15⁹
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<u>Recall</u> : If a ≠0 ⇒ a⁰ = 1
Then
Since 6⁸ ≠ 0 ⇒ (6⁸)⁰ = 1
