Answer:
x = -7/2
Step-by-step explanation:
( x + 9 ) - ( x -2 )=
2x +7 =
2x = -7
x = -7/2
Answer:
See explanation
Step-by-step explanation:
Volume of cone - volume of cylinder
[1/3π(6)²(14)] - [π(4)²(3)]
168π - 48π = 120π
Answer:
1.5/2.5 = 3.5/5.83recuring
Step-by-step explanation:
Answer: Positive (but not sure)
Step-by-step explanation: Are there answers to the questions is so i could help more but if correct hope i helped :)
Answer:
0.6804
Step-by-step explanation:
Given that Margie is practicing for an upcoming tennis tournament. Her first serve is good 20 out of 30 times on average.
Since each trial is independent and there are two outcomes, X no of good serves is binomial with n=6 and p =2/3
Required probability
= Prob that atleast four of 6 times good serve
=
=
Formula used:
P(X=r) =