Answer:
The number of students who have a test score in the interval 71-80 is <u>13</u>.
Step-by-step explanation:
Given:
The frequency chart which show the cumulative numbers of students test scores.
Now, to find the number of students who score in the interval 71-80, we will look in the frequency chart. In the chart score range of 65-80 the cumulative number of students are 13. As the 71 to 80 comes in between the score range 65-80 and there are 13 students who scored in this range.
Therefore, the number of students who have a test score in the interval 71-80 is 13.
Answer:
37.68
Step-by-step explanation:
The formula to be used is 1\3πr^2h
so going by the question π=3.14,r=2,h= 9
when u substitute each value into the formula u get you answer to be 37.68
3 tons is 6000 lbs each box is 60 pounds therefore 6000 divided by 60 is 100 so 100 boxes
