Answer:
the son is 2
man is 26
+10 yrs
son=12
man=36
Step-by-step explanation:
Let the son's age be x.
Then the father's age is 13x.
In ten years their ages will be (x+10) and (13x+10).
(13x+10)=3(x+10)
13x+10=3x+30
10x=20
x=2
The son is 2 years old.
Answer:
It is a discrete random variable.
Step-by-step explanation:
Counts often when something happens like in fixed numbers of tries.
Hope I helped!:)
For an initial amount deposited P and an annual interest rate r, the total amount T in the account after t years is given by:
For P = $2200, r = 7% and t = 5 years, we have:
Answer:8 and 4. Explanation: Let the 2 numbers be x and y with x > y. ⇒x+y=12→(1)←sum of 2 numbers. ⇒x−y=4→(2)← difference of numbers.
Step-by-step explanation: Let the 2 numbers be x and y with x > y. ⇒x+y=12→(1)←sum of 2 numbers. ⇒x−y=4→(2)← difference of numbers.
