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:
Based off of the calculations I did, I got 32 as the answer.
Step-by-step explanation:
Jason uses 10/6 of the paint for each chair he paints and according to the question, there are 19 chairs.
So we multiply these two numbers to get the amount of paint used after painting all 19 chairs.
10/6 * 19 = 31.666...
Then we add the previous amount Jason used for painting the furniture to the total amount of paint used after painting the 19 chairs.
31.666... + 4/12 = 32.
Thus, Jason used 32 cans of paint in total.
Answer:
The answer is C. 18 ounces
Step-by-step explanation:
You just divide the ounces by the cost and which ever you get lower is the answer
Answer:
-6x +2
Step-by-step explanation:
( x + 3 ) + ( − 7 x − 1 )
Combine like terms
x -7x +3 -1
-6x +2
Answer:
75081
Step-by-step explanation: multiply 80950 by 0.9275
