The required probability is 4/25.
We want to realize the concept of chance to remedy this question.
First we will find the chance that the system on which I play is a wheel of fortune system.
So, required probability quantity of wheel of fortune machines ÷ total range of machines
= 8/10
= 4/5
Now the probability of wheel of fortune winning is 20%.
So, total probability that if I play and win and that machine is a wheel of fortune machine is= (4/5)×(20/100)
= (4/5)×(1/5)
= 4/25
Hence, the required probability is 4/25.
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X+x+1+x+2+x+3=50
4x+6=50/-6
4x=50-6=44
x=44:4=11
⇒The 1st number is 11, the 2nd is 12, the 3rd is 13 and the 4th is 14.
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11+12+13+14=50
If you don't understand something,please ask me.
X = 2.5 would be your answer. Hope this helps!
37+53=90 so 180-90=90
x=90
x= 180-(37+53)
x= 90 ✅
Add the last two equations to eliminate <em>x</em> :
(<em>x</em> - 2<em>y</em> - 3<em>z</em>) + (- <em>x</em> + <em>y</em> + 2<em>z</em>) = 0 + 3
- <em>y</em> - <em>z</em> = 3
<em>y</em> + <em>z</em> = -3
Subtract this from the first equation to eliminate <em>z</em>, then solve for <em>y</em> :
(2<em>y</em> + <em>z</em>) - (<em>y</em> + <em>z</em>) = -8 - (-3)
<em>y</em> = -5
Plug this into the first equation to solve for <em>z</em> :
2(-5) + <em>z</em> = -8
<em>z</em> = 2
Plug both of these into either the second or third equations to solve for <em>x</em> :
<em>x</em> - 2(-5) - 3(2) = 0
<em>x</em> = -4
