<span>D. One hundred random students from the sixth grade is the best choice given!
</span><span>
Reasons why the other answers and not good choices.
A. The first 100 students from an alphabetical list of the entire school, is incorrect because his only concern is the 6th graders, by including everyone he would negatively skew the data.
B. The first 100 students from an alphabetical list of sixth graders, is incorrect because its unfair to those with names starting later in the alphabet.
C. One hundred random students from the entire school </span>is is better but still incorrect because his only concern is the 6th graders, <span>by including everyone he would again negatively skew the data.</span>
Length of AB=Length of A'B' because they are corresponding sides.
Answer: 2m + 2m
Step-by-step explanation: m + m is 2m and the same for the other two m's which is why m + m + m + m is 2m + 2m
Answer:
Emanuel made huis mistake in first step and step 1 is incorrect.
Step-by-step explanation:
The given expression is
(\frac{3}{5})(\frac{4}{9})(-\frac{1}{2})(
5
3
)(
9
4
)(−
2
1
)
It can be written as
\frac{3}{5})(\frac{4}{9})(\frac{-1}{2}
5
3
)(
9
4
)(
2
−1
Step 1: (\frac{(3)(4)(-1)}{(5)(9)(2)})(
(5)(9)(2)
(3)(4)(−1)
)
Emanuel used negative sign with both numbers 1 and 2. Therefore the first step of Emanuel is incorrect.
Step 2: \frac{-12}{90}
90
−12
Step 3: \frac{-2}{15}
15
−2
Therefore Emanuel made huis mistake in first step and step 1 is incorrect
Step-by-step explanation:
all the steps are given below
