I figured it out, the answer is X = -52/5
2( twice) (p-10) difference of p and 10
2( p-10)
2p-20
Answer:
191
Step-by-step explanation:
the rule is +4 so 11+45*4=191 (45 is the number not including the first one)
191 is the answer
Answer:

Step-by-step explanation:
Given


--- angle in between
Required
The area of the plate
Since
is between
and 
The area is:




Answer:




And then replacing we have this for the expected value:

And after do the math we got:

And then the expected value for this game is -0.79998 a negative result means NOT a win.
Step-by-step explanation:
For this case we can define the random variable X as the amount that we can win. We can find the expected value with the following formula:

And we have the following probabilities and possible values given:




And then replacing we have this for the expected value:

And after do the math we got:

And then the expected value for this game is -0.79998 a negative result means NOT a win.