Formula for volume of sphere V = 4/3 (Pi) r^3, where Pi ~ 3.14 and r is the radius = 7.
Therefore V = 4/3 * 3.14 * 7^3
= 4/3 * 3.14 * 343
= 4/3 * 1077.02
= 1,436.02667 cubic units
She ran 21 inches. Thats your answer. sorry if im wrong
Answer: Ric will get $4.50 back in change
Step-by-step explanation: $1.25 each cover times 4 covers is $5. 2/5 of 1.25 is .50. add $5 and $.50 is $5.50. if he pays with a ten, subtract, and he will get $4.50. hope this helpedd❤️
Answer:
P(X > 5) = 0.1164 to 4 d.p.
The parameters are defined in the explanation.
Step-by-step explanation:
This is a binomial distribution problem
Binomial distribution function is represented by
P(X = x) = ⁿCₓ pˣ qⁿ⁻ˣ
n = total number of sample spaces = number of potential hires = 10
x = Number of successes required = number of potential hires that have prior call centre experience = more than half; that is, x > 5
p = probability of success = probability that any potential hire will have experience = (11/30) = 0.367
q = probability of failure = probability that any potential hire will NOT have experience = 1 - p = 1 - 0.367 = 0.633
P(X > 5) = P(X=6) + P(X=7) + P(X=8) + P(X=9) + P(X=10)
Inserting the parameters and computing the probabilities for each of those values of X,
P(X > 5) = 0.11641775484 = 0.1164 to 4 d.p.
Hope this Helps!!!
Answer:
Plane's speed is 150 miles/hour
Step-by-step explanation:
Let the plane's airspeed be x
Speed of wind is 30 miles/hour
When a plane flew with the wind , Speed = (x+30)
So, the speed plain with wind on going = (x+30)
Since we are given that on returning plane fly against the wind .
So,When a plane flew against the wind , Speed = (x-30)
So, the speed plain against wind on returning = (x-30)
Distance = 720 miles .

So, time on going 
Time on returning 
Now we are given that the total time for the whole trip (going + returning) = 10 hours.
So, 



![1440x=10(x^2 -[30]^2)](https://tex.z-dn.net/?f=1440x%3D10%28x%5E2%20-%5B30%5D%5E2%29)






So, the plane's speed is 150 miles/hour