A because polygons have a closed pane
Answer:
36.666 (The six keeps going)
Step-by-step explanation:
In this question you'll be trying to find out what x is.
(x-8), this is from the amount of years ago and 2(56-x) is from subtracting 8 with 64 and the 2 came from the fact that Jeremy is twice the age.
(x-8)=2(56-x)
x-8=102-2x
Now we want to have x by itself so we'll add 2x on both sides to remove the -2x from the right side.
3x-8=102 (Add up on both sides)
3x=110 (Divide by 3)
x=36.666
Answer:
you must understand the formal
and then take a step to solve the question you are giving for example when you are given to fine √81.first you must understand what they are you to do
Yep! That's exactly what it means, 3 times whatever the value of x is.
Answer:
0.069793787 Approximately = 0.07
Step-by-step explanation:
From this question we have total number of keys to be 12,out of these 12, we know that only one key can open the office.
The probability that this 1 key can open the office is 1/12 = 0.083
Going further we have to apply the geometric distribution.
From the question the door opens after the 3rd time. So 2 trials have failed to open this door.
P(X=3) = (1-0.083)²(0.083)
= 0.840889x0.083
= 0.069793787
Approximately
0.07