Answer:
3937.5 or 3938 after round-off
Step-by-step explanation:
11 minutes 15 seconds = 11.25 minutes
5 members of the family shower 7 times a week for 11.25 minutes
=total of 393.75 minutes
393.75 times the amount of water used which is 10 litres becomes 3937.5
I hope this helps
Given:
One shower lasts 11 mins. 15 secs. = 11.25 mins.
Total members = 5
Consumption rate = 10L/min.
Total amount consumed in a week = 10 x 11.25 x 5 X 7
= 11.25 x 350
= 3937.5 L
Hope this helps!
6 Total lemons
1 1/2 lemons per 1 liter of lemonade
1 1/2 times 4
= 6 total lemons
d=-5
-4d-37=7d +18
move the terms to its correct side
-4d-7d=18+37
calculate the like terms together.
-11d=55
divide both sides by -11. both of the negavtive (-11) will cancel out and become d on the left and on the right 55 will be divided by -11 = -5. the 5 is negative because there's a negative -11 if there were a postive 11 it will be 5 instead of D=-5
A. E(x) = 1/n×n(n+1)/2
B. E(x²) = 1/n
The n candidates for a job have been ranked 1,2,3....n. Let x be the rank of a randomly selected candidate. Therefore, the PMF of X is given as
P(x) = {1/n, x = 1,2...n}
Therefore,
Expectation of X
E(x) = summation {xP(×)}
= summation {X×1/n}
= 1/n summation{x}
= 1/n×n(n+1)/2
= n+1/2
Thus, E(x) = 1/n×n(n+1)/2
Value of E(x²)
E(x²) = summation {x²P(×)}
= summation{x²×1/n}
= 1/n
8 -<u> 8</u>, 16, 24, 32, 40, 48
4 - 4, <u>8</u>, 12, 16,
So the LCM of 8 and 4 are C) 8
8 - 8, 16, <u>24</u>, 32, 40, 48
6 - 6, 12, 18,<u> 24</u>, 30
So the LCM of 8 and 6 are A) 24
8 - 8, 16, 24, 32, <u>40</u>, 48
10 - 10, 20, 30, <u>40</u>, 50
The LCM of 8 and 10 are B) 40
Hope this Helps!!
