Answer:
3(5+y)=2
Step-by-step explanation:
I think this is how it is written. I am guessing, not an expert here. :)
The answer to your question is y+2=1/4(x-0)
Answer: 3/2
Step-by-step explanation:
12/8=3/2
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
#SPJ1
Answer:
22
Step-by-step explanation:
40 - 34 = 6
28 - 6 = 22
I'm not sure if there's any dividing or multiplying involved in this but I did my best..