I believe that it's (1,3)
(tip: with these problems, try to use desmos.com)
Answer:
x=9.23
Step-by-step explanation:
Zy=x
Yx=11
Tan40=x/11
11tan40=x
11x0.8391
x=9.23
Answer:
4
Step-by-step explanation:
w = 4 units
Answer:
95.44%
Step-by-step explanation:
Mean rate (μ) = 160 euros
Standard deviation (σ) = 8 euros
For any given rate, X, the z-score is:

For X = 144 euros:

For X= 176 euros

In a standard distribution, a z-score of -2 corresponds to the 2.28th percentile, while a z-score of 2 corresponds to the 97.72th percentile.
Therefore, the percentage of hotels with rates between 144 and 176 euros is:

Well that is a <span>сраный</span> question...whats the rate...whoever wrote this is a dumbcyka