Answer:
240
Step-by-step explanation:
lets start by "taking it apart." We can just see this a very weird shape. So, we look at each rectangle/square and find the area of that.
We have 120 from the big rectangle.
We have 72 from the longer rectangle.
We have 24 from each of the sqaures.
We add them together:
120+72+24+24=240
your answer should be 240
Answer:
250 seconds
Step-by-step explanation:
(0.12/1 = 30/x)
0.12x = 30
x = 250
Using the interpretation of the confidence interval, the correct option is:
We are 95% confident that those who studied had a higher passing rate than those who did not study.
<h3>What is the interpretation of a x% confidence interval?</h3>
It means that we are x% confident that the population parameter(mean/proportion/standard deviation) is between a and b.
The confidence interval of the difference is:
(0.005, 0.125).
Since the entire interval is positive, the correct option is:
We are 95% confident that those who studied had a higher passing rate than those who did not study.
More can be learned about confidence intervals at brainly.com/question/25890103
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Answer:
because we have the same denominator, it will be 4/5
Step-by-step explanation:
For this one I usually put the functions over one another like if it was an addition problem
