Write the recurring decimal 0.473737373... as a fraction.
1 answer:
Answer:
Step-by-step explanation:
We require 2 equations with the repeating digits after the decimal point.
By subtracting the 2 equations eliminates the repeating digits.
let x = 0.47373737.....
Multiply both sides by 100 and 10000, that is
100x = 47.3737... → (1)
10000x = 4737.3737.... → (2)
Subtract (1) from (2)
9900x = 4690 ( divide both sides by 9900 )
x = =
← in simplest form
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Answer: 64% of the variability in weight can be explained by the relationship with height.
Step-by-step explanation:
- In statistics, Correlation coefficient is denoted by 'r' is a measure of the strength of the relationship between two variables.
- Coefficient of determination,
, is a measure of variability in one variable can be explained variation in the other.
Here, r= 0.80
That means 64% of the variability in weight can be explained by the relationship with height.