Answer: -406
Step-by-step explanation:
We have the following expression:
In addition we know:
and
If we substitute this in the expresion, we will have:
Answer:
1. First box, the missing fraction = 1/10
2. For the 2nd box
a. The missing fraction = 3/10
b. Percentage = 30%
3. For 7/10
Percentage = 70%
Step-by-step explanation:
From the question given above, the following data were obtained:
The strip is divided into 10 equal parts.
1. For the first box:
The missing fraction = 1/10
2. For the 2nd box
a. The missing fraction = 3/10
b. Percentage = 3/10 × 100 = 30%
3. For 7/10
Percentage = 7/10 × 100 = 70%
Answer:
Afternoon class has more students.
Step-by-step explanation:
Let m be the number of students in the morning class and n be the number of students in the afternoon class.
The average score for the students in the morning class was 80, then the sum of their scores is
The average score for the students in the afternoon class was 86, then the sum of their scores is
The sum of the scores of both classes is
and the average score is
The average (arithmetic mean) score for the two classes combined was 84, then
This means n is greater, so afternoon class has more students.
Answer:
less than
Step-by-step explanation: