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
Answer:
109545
Step-by-step explanation:
<em>Formula</em>
multiply the time value by 3600
Hope this helps
plz mark brainlest
Answer:
0
Step-by-step explanation:
Because it has the beginning point
How much glue sticks were there in total ?
4x-55 would be what’s ced
Bec 4x-5