Answer:
$37.50
Step-by-step explanation:
In this problem, all we need to do is enter the given value into the equation. In this case, carnival tickets = 15. So,
The total cost of 15 carnival tickets is $37.50.
Hope this helps!
7x^2 - 16x - 8 = 0
using the quadratic formula x = [ -(-16)+/- sqrt((-16^2 - 4*7-8] / 2*7
= (16 +/1 sqrt 480) / 14
= 2.71, -0.42 to nearest hundredth
C
If you have a graphing calculator, go to 2nd vars, normalcdf(.
Put 150 for the lower bound and 99999999 for the upper bound. You want to know the probability of all the values over 150. Put 131.8 for the mean and 29.12 for the standard deviation. Click paste.
Your answer will be .266