HELP ME 20 POINTS IF YOU PUT THE WRONG ANSWER YOUR GETTING REPORTED AND ACUTELY PUT THE ANSWER
2 answers:
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Answer:
Step-by-step explanation:
Factor out of
Answer with Step-by-step explanation:
We are given that
20%
When we change percent into fraction we will divide the percent by 100
We have to find the line which shows the correct placement of given numbers.
Lcm(3,5)=15
Answer:
The mean of the combined group is 76.67 ≈ 77
Step-by-step explanation:
- The sum of the grades in Tom's group is 20×70 = 1400
- The sum of grades in Alice's group is 10×90=900
- The sum of gradees in the combined group is =1400+900=2300
- Then the mean grade of the combined group is
where
- 2300 is the sum of the all grades in the combined group
- 30 is the total number of people in the group