Answer:
206 5/14
Step-by-step explanation:
divid 2891 by 14
Answer:
see explanation
Step-by-step explanation:
A
The perimeter is the sum of the 3 sides, thus summing the 3 sides
1.9x + 6.2y + 2.5x + 8.3w + 1.6w - 5.1y ← combine like terms
= 4.4x + 1.1y + 9.9w ← expression for perimeter
B
Factor out 1.1 from each term, thus
4.4x + 1.1y + 9.9w
= 1.1(4x + y + 9w) ← perimeter in factored form
6/12 is equal to 6 over 12 or .5 or 1/2 when reduced
Class 2 scored better on average
<h3>How to determine which class scored better on average?</h3>
The averages and the standard deviations are given as:
Class 1
Mean score = 7.8
Standard deviation = 1
Class 2
Mean score = 8.1
Standard deviation = 0.2
As a general rule, the smaller the standard deviation; the better the average
Class 2 has a smaller deviation
Hence, class 2 scored better on average
Read more about standard deviation at:
brainly.com/question/28061243
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