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
Step-by-step explanation:
let x be total much won
so they team had won 28 matches.
I hope the team has best players : )
Answer:
1
Step-by-step explanation:
JK and KN is perpendicular.
Thus no planes contained them except 1
Which is a rectangle.
I hope this helps you :)
140/1
because anything divided by 1 is itself, and a fraction is just the numberator divided by the denominator.
Download photo-math on ur phone and take a picture of the equation. it should tell u the answer.
