Patterns can help muliply and divide. For an example say your problem is 6x2 you can do 2+2+2+2+2+2. Or if your problem is 21 divided by 3 you could do 21-3 untill you get to zero and count how many time you had to subtract.
Answer:
The equivalent expression to 3p+ 12 m + 8 are
1. 3p+ 12 m + 8
= 3 × p + 3 × 4× m + 4 ×2
= 3 (p + 4 m) + 8 → Using inverse of distributive property: a × b + a × c= a×(b+c)
2. 3p+ 12 m + 8
=3 × p + 3 × 4×m + 4 ×2
= 3 p + 4 (3 m + 2)→ Using inverse of distributive property: a × b + a × c= a×(b+c)
The expected count of visits is the mean or average visits to each feeder
The expected count of visits to the third feeder is 87.5
<h3>How to determine the expected count of visit?</h3>
The table of values is given as:
Feeder 1 2 3 4
Observed visits 80 90 92 88
In this case, the null hypothesis implies that the visits to each feeder are uniformly distributed
So, the expected count is calculated using:
Expected count =Visits/Feeders
This gives
Expected count = 350/4
Evaluate the quotient
Expected count = 87.50
Hence, the expected count of visits to the third feeder is 87.5
Read more about chi square goodness of fit test at:
brainly.com/question/4543358
Do 9+4 because you need to get m alone. you get 13 plug 13 in for m (13-4=9) and then 9=9
The correct answer for this question is this one: "<span>C. P(C | A) = 0.75, P(C)=0.75 the events are not independent."
</span><span>The statement that can be determined about events A and C from the table is that </span><span>P(C | A) = 0.75, P(C)=0.75 the events are not independent. Hope this helps answer your question.
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