The links of the sides of a triangle are given determine if the triangle is a right triangle if it is identify the hypotenuse
1 answer:
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Answer:
77.2%
Step-by-step explanation:
The average formula is:
Let's first find the sum of all the numbers (remember sum means to add):
(2)(85) + (4)(78) + (3)(66) + 92 = ?
170 + 312 + 198 + 92 = 772
There are marks for 10 students so that is what goes at the bottom (10 students, 10 test scores)
Plug both things into the equation:
Therefore, the average mark on the test was 77.2%
<em>Hope this helps!!</em>
<em>- Kay :)</em>