Answer:
Jaden would have to save $25 each week for next <u>6 weeks</u> to get the $290 bike.
Step-by-step explanation:
What do we know:
- He has $140 to start with
- He saves $25 each week
- His bike costs $290
What are we solving for;
- We are solving for x (number of weeks it would take Jaden to buy a $290 bike), when y = 290
Equation would be:
So for Jaden to buy a $290 bike, y would have to be replaced with 290, and solve for x;
=> 290 = 25x + 140
=> 290 - 140 = 25x
=> 150 = 25x
=> 150 / 25 = x
=> 6 = x
Therefore, <u>Jaden would have to save $25 each week for next 6 weeks to get the $290 bike.</u>
Hope this help!
Answer:
1.10
Step-by-step explanation:
Given the probability distribution :
x : ___ 0 ___ 1 ___ 2
p(x)__0.15 _0.60 __0.25
The expected value is obtained by:
Σ(X * p(x))
(0 * 0.15) + (1 * 0.60) + (2 * 0.25)
0 + 0.60 + 0.50
= 1.10
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i calculated this problem and it's just 46.656
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