100 POINTS Which integer is closest to the cube root of 100?
2 answers:
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<h2>Required Answer:</h2>
- There are 20 classrooms in the high school with 30 students in each class. How many students are in the school?
- No. of students
- Total no. of classrooms = 20
- students in each class= 30
- Total no. of students in school= Total no. of classrooms×students in each class
- Total no. of students in school=20×30
- Total no. of students in school=600
best of luck! ^_^
Answer:
According to the passage, we have the next equation:
where "K" is a proportional constant
Leaving at the end with the next equation:
Integrating the equation, we have:
where "C" is a constant
Then, we have the 2 conditions for the problem:
1) t=0 → r=10
Replacing in the equation, we have C = 10
2) t=5 → r=8
Replacing in the equation, we have K = -0.4
Finally, the time which the snowball will be completely melted will be when r = 0. So replacing in the equation
t = 25 minutes