Answer:
360 hours
Step-by-step explanation:
To convert 15 days into hours, we need to find hours in a day. There are 24 hours in a day.
We can take 15 days/1 and multiply it by 24 hours/1 day, and we can cancel out the day units.
Then, we multiply 15 by 24 to get 360 hours.
Hope this helps
Answer:
The range of the random variable is {0, 1, 2}.
Step-by-step explanation:
The bag contains red and blue marbles.
The experiments consists of two draws, with reposition.
The random variable assigns the number of blue marbles to each outcome.
If we have only two draws, we can only get 0, 1 or 2 blue marbles.
The range of the random variable is {0, 1, 2}.
Answer:
D
Step-by-step explanation:
It should be D
Answer:
Present age of john= 24 years
Let Shane's age= x years
Two years ago
John's age = 24-2= 22 years
Shane's age = (x-2) years
Writing in terms of equation,to the above statements
⇒22= 2(x-2)
⇒22= 2 x- 4
⇒22+4 = 2 x
⇒ 2 x= 26
⇒ x= 26÷2
⇒ x =13
Present age of son = 13 years
