Answer:
The Answer is that Orchestra seats were $15 and Balcony seats were $9.
Step-by-step explanation:
400(x+6) + 250x = 8250
400x + 2400 + 250x = 8250
650x + 2400 = 8250
650x = 5850
x = 9
Proof:
400(15) + 250(9) = 8250
6000 + 2250 = $8,250
(1) -(5y - 2)= -5y+2
(2) -5 (3n + 1)= -15n - 5
(3) too long to do
.1 Simplify: 5n(2n3+n2+8)+n(4-n).
Solution:
5n(2n3+n2+8)+n(4-n).
= 5n × 2n3 + 5n × n2 + 5n × 8 + n × 4 - n × n.
= 10n4 + 5n3 + 40n + 4n – n2.
= 10n4 + 5n3 + 44n – n2.
= 10n4 + 5n3 – n2 + 44n.
Answer: 10n4 + 5n3 – n2 + 44n
Answer:
121
Step-by-step explanation:
Given data as per the question
Standard deviation =
= 840
Margin of error = E = 150
Confidence level = c = 95%
For 95% confidence, z = 1.96
based on the above information, the minimum number of clients surveyed by the travel agent is
![n = (\frac{z\times \sigma}{E})^2](https://tex.z-dn.net/?f=n%20%3D%20%28%5Cfrac%7Bz%5Ctimes%20%5Csigma%7D%7BE%7D%29%5E2)
![= (\frac{1.96\times 840}{150})^2](https://tex.z-dn.net/?f=%3D%20%20%28%5Cfrac%7B1.96%5Ctimes%20840%7D%7B150%7D%29%5E2)
= 120.47
= 121
hence, the 121 number of clients to be surveyed
Therefore we applied the above formula to determine the minimum number of clients