Answer:
irrational
Step-by-step explanation:
It cant be square rooted perfectly.
Answer:
2 and 3.
Step-by-step explanation:
Four to the second power is 16.
Four to the third power is 64.
30 lies between 16 and 64, thus the exponent must lie between 2 and 3.
Answer: The average age is 7.1 years.
This problem is an example of when we need to take a weighted average. We simply can't just find the average of 5 and 8, because there are different children of each each.
To start, lets multiply the total number of children by their individual ages.
6 x 5 = 30 years
14 x 8 = 112 years
There are 142 years among the 20 years, so divide 142 by 20. This gives us an average age of 7.1 years.
Answer:
x = -15
Step-by-step explanation:
In fractional equations we cross multiply the expressions:
In cross multiplying the denominator of the first fraction is multiplied with the numerator of the second fraction and vice versa:
-2x = 30 divide both sides by -2
x = -15
Answer:
5 and 1/4
Step-by-step explanation:
5 and 1/4
