Answer:
Option D
Step-by-step explanation:
we have
Simplify
we know that
In a difference of square
Remember that
therefore
On her first three 5-point math quizzes, Ami’s scores were 4,3, and 5. She will take 3 more quizzes this semester. What three scores would give her an average that is a whole number? A repeating decimal?
Answer: The three scores 2, 5, and 5 would give her an average that is a whole number.
The three scores 5, 5, and 3 would give her an average that is a repeating decimal
A researcher calculates the expected value for the number of girls in three births. He gets a result of 1.5. He then rounds the result to 2, saying that it is not possible to get 1.5 girls when three babies are born. Is this reasoning correct? Explain.
Answer:
540
Step-by-step explanation:
I am confirming that the answer is 540. :)
The answer is true...