9514 1404 393
Answer:
4 : 7
Step-by-step explanation:
The area ratio is the square of the side length ratio. So, the side length ratio is the square root of the area ratio.
side length ratio = √16 : √49 = 4 : 7
Answer:
z-score = 1.667
Step-by-step explanation:
The provided information are:
Population mean = 50
Population standard deviation = 6
Score (X) = 60
The formula to calculate the <em>z</em>-score is:
The z- score can be calculated as:
Hence, the z-score is 1.667.
Answer: last option.
Step-by-step explanation:
According to the Product of powers property, you have:
As you can see, when you can add the exponents when you have powers with equal base.
Then, and do not have the same base, therefore, the exponents can't be added.
Therefore, Eli is incorrect, because he added the exponents even though the bases are not the same.