to determine a student's grade, a teacher throws out the lowest grade obtained on 5 tests, averages the remaining grades, and ro
2 answers:
Answer:
Betty will get 85 grade.
Step-by-step explanation:
Betty scored 75,90,88,72, and 86 on her tests.
As given the teacher throws out the lowest grade, we will not consider 72.
Now the teacher averages the remaining grades, and round up to the nearest integer.
So, taking the average we get;
= 84.75
Rounding this to nearest integer, we get 85.
Hence, Betty will get 85 grade.
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Answer:
4
Step-by-step explanation:
The additive inverse is the value that must be added to the number to give zero.
- 4 + 4
= 0
↑ additive inverse