There should be 283.9. (rounded to the nearest unit). :) <span />
Yes. All inputs are different.
Answer:
<em>Grades to be scored in 3rd exam = 88</em>
Step-by-step explanation:
Given that average of 3 numbers is 85.
First two numbers are 81 and 86.
To find:
3rd number so that average is 85
Solution:
Let the third number =
Formula for average is:
Here, sum of numbers =
Total count of numbers = 3
<em>Grades to be scored in 3rd exam = 88</em>
Answer:
90
Step-by-step explanation:
A right triangle is a triangle that has a right angle. A right angle is an angle that is 90 degrees.