A- number of adult tickets
s- number of student tickets
a +s=200 }* - 4,5 ⇒
a*6,5+s*4,5=980
a*6,5 + s*4,5=980
a*( -4,5) - s*4,5= - 200*4,5= -900
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6,5a-4,5a=980-900=80
2a=80
a=80:2
a=40
s=200-40
s=160
Answer:
-768.21
Step-by-step explanation:
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B) obtuse triangle
Hope this helps!
Answer:
9/7 or 1 2/7
Step-by-step explanation:
use the formula rise/run
Answer:
1
Step-by-step explanation:
√4x+1=3
√4x = 3 - 1
√4x = 2
squaring both sides,
(√4x)² = 2²
4x = 4
x = 4/4
x = 1
