Answer:
3 family members can visit the park if the total cost of the trip was $291
Step-by-step explanation:
if 3 family members can go, that means that it will cost them $210 just for the tickets and $15 for the parking ticket and $66 for the food for exactly 3 people and all of it at the end will cost $291.
You just have to write it down (7.7.7.7.7.7.7=49)
Answer:
XY= 50
Step-by-step explanation:
Do the equation 6x-26/2=2x+8
This becomes 6x-26=4x+16 once you multiply the 2 on both sides
Solve to get x=21.
Plug that into 2x+8
2(21) +8
42+8
50
Answer:
0.2005
Step-by-step explanation:
Mean, m = 65000
Standard deviation, σ= 7000
Sample size, n = 25
Let X = random variable of salary
Recall:
Z = (μ - x) /(σ/√n)
P(62500 ≤ x ≤ 64000) =?
Pr((65000 - 62500)/7000/√25 ≤ z ≤ (65000 - 64000) / 7000/√25)
P(2500 / 1400 ≤ z ≤ 1000/1400)
P = (1.79 ≤ z ≤ 0.714)
Using the normal distribution table or a Z probability calculator
0.4633 - 0.2624
= 0.2009