Answer:
Step-by-step explanation:
in the equation given these are the values:
a=1 b= -5 c= -7
if we plug this in the quadratic formula 
this is simplified to
hope this helped
Answer:
3 2/3
Step-by-step explanation:
System of equations to be solved simultaneously
Yo sup??
P(A|B)=P(A∩B)/P(B)
P(A∩B)=probability of finding a girl and is sophomore
P(B)=probability of finding a sophomore
P(A|B)=9/10
Hope this helps.
Answer:
-0.69444 or about -0.69 or as a fraction it would be -25/36
Step-by-step explanation:
You can change 2 11/12 to and improper fraction, 35/12. You can also change -4 1/5 to an improper fraction, -21/5. Then you need to flip -21/5 to -5/21. You can work it out to get an improper fraction, to then follow and get -25/36 or -0.69.
