Answer:
(-6,0)
Step-by-step explanation:
the y-axis is any (x number, 0)
Answer: 20 pieces, 72 inches of ribbon
Step-by-step explanation: 6/1.5=4 4x5=20 6x12= 72 inches
Answer: 3.75
Step-by-step explanation:
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:
5✓3
0.6
put a zero in 3and put a zero above put a decimal point and 6 because of 30