9.0, or 9 IS a rational number.
A rational number is any number that could be expressed as a fraction. For example, the integers p/q as long as q is not equal to zero. 9.0 = 9/1; they are both natural numbers so 9.0 is rational. We can write that 10=101 .
Answer:
76 the pattern goes in 12s every two years
Step-by-step explanation:
64 plus 12 is 76
Answer:
The new mean is 76.2
Step-by-step explanation:
Given
Given
Old mean = 71.3
Every observation is increased by 4.9.
Let the data set has N entries, then
The new mean would be
(71.3 *N + 4.9*N)/N
The new mean = 71.3 + 4.9 = 76.2