Answer:
w = -1/8
Step-by-step explanation:
-1/8 is like taking 1/8 from 7/8 making it 6/8 which = 3/4
Answer:
2a plus 3/4b
Step-by-step explanation:
First distribute the fractions.
Second communitate variable a.
Third communitate variable b.
Finally simplify.
A because the square is in the (10) place and the circle is in the (1) place and 10 is 10 times bigger than 1
Answer:
Probability distribution for x:

Step-by-step explanation:
We can model the number of defective sets in the group of TV sets (variable x) as a binomial variable, with sample size=3 and probability of success p=2/7≈0.2857.
The probability of k defective sets in the group is:

So, we have this probabilty distribution for x:

Your proportion should look something like this

After cross multiplication, you should end up with this equation

After dividing 4 on both sides, you should get that x=9