Answer:
1.75,0.625
Step-by-step explanation:
Given that a couple plans to have children until they get a girl, but they agree that they will not have more than three children even if all are boys.
a) The couples can have
X I girl I boy, II girl I,II boys, III girl I,II,III boys
Pr. 0.5 0.25 0.125 0.125
b) Expected no of children
=
c)Expected number of boys
= 
To find the average speed in miles per hour, you can find the number of miles Khalil traveled per minute and then multiply that by 60 to convert it to hours.
54 miles/45 minutes = 1.2 miles per minute
1.2 x 60 = 72 miles per hour.
Khalil traveled at an average speed of 72 miles per hour.
We need to write the expression <span>3(x + y) = 2y - x in a verbal sentence. We do as follows:
Three times the sum of x and y is equal to two times y minus x.
or
The sum of x and y multiplied by three is equal to the difference of two y and x.
or
Three quantity x plus y is equal to the product of two and y minus x.
or
Three multiplied by the sum of x and y is equal to two times y minus x.
Either of the statements I have written above would be correct and would mean the same equation.</span>
Answer:
10*10*10
Step-by-step explanation:
10^3 equals 10*10*10
