=
use the cross method solve the equation.
9P+90=8P-56
9P-8P=-56-90
P=-146
Hope this helps.
Answer:
31/4
Step-by-step explanation:
Leave the 7 alone for now.
0.75 is equal to 75/100
so now simplfy 75/100=3/4
now add the 7 back in
its
7 and 3/4
That can be your final answer or you can make it improper by multiplying 4 * 7 + 3
that gives you 31 and add the 4 back which is 31/4
You divide it by tens and ones so that it can give you the anwser
The probability of event A and B to both occur is denoted as P(A ∩ B) = P(A) P(B|A). It is the probability that Event A occurs times the probability that Event B occurs, given that Event A has occurred.
So, to find the probability that you will be assigned a poem by Shakespeare and by Tennyson, let Event A = the event that a Shakespeare poem will be assigned to you; and let Event B = the event that the second poem that will be assigned to you will be by Tennyson.
At first, there are a total of 13 poems that would be randomly assigned in your class. There are 4 poems by Shakespeare, thus P(A) is 4/13.
After the first selection, there would be 13 poems left. Therefore, P(B|A) = 2/12
Based on the rule of multiplication,
P(A ∩ B) = P(A) P(B|A)P(A ∩ B) = 4/13 * 2/12
P(A ∩ B) = 8/156
P(A ∩ B) = 2/39
The probability that you will be assigned a poem by Shakespeare, then a poem by Tennyson is 2/39 or 5.13%.
