5/25 or 1/5
Can u mark me brainliest
228-12.50*2=x*10
228-25=10x
203=10x
Divide both sides by 10 and it is:
20.3=x
The price of each ticket is $20.30
Hope this helps :)
Answer:
y=30, x=10
Step-by-step explanation:
Recall that
d/dx sech(x) = - sech(x) tanh(x)
d/dx tan⁻¹(x) = 1/(1 + x²)
Then by the chain rule,
dy/dx = - sech(x) tanh(x) / (1 + x²)
