Answer:

Step-by-step explanation:
Given a basket, the probability of a ball to end there is
(because there are m baskets).
Then, the probability of a ball to end in other basket is
.
Finally, the probability of the basket to remain empty after n throws is

This last is because, given n independets events with probability p, the probability for all of them to happen is
. In this case 
Answer:
Valume of cylinder : πr² × h = π × 5² × 15 = 375π ≈ 1177.5 cm³
Answer:
180
Step-by-step explanation:
A=1/2*b*h
A= 1/2*8*25
180
Answer:
$2500
Step-by-step explanation:
Given that,
The lost percentage = 9%
Amount she had = $22,750
We need to find Mrs. Fisher's original investment.
As she had lost 9%, it means she will remain with 91% of her investment. Let the original investment is x.
So,

So, her original investment is equal to $25000.
Answer:
x=5,y=-2
Step-by-step explanation: