Answer:
31.2
Step-by-step explanation:
Because you only round up if the number next to the 1st decimal place is greater than 5, you just drop the 4 and keep 31.2.
Based on the random sample of beach lengths taken, the probability of a randomly selected beach having a length of 12 miles is C. 0.
<h3>What is the probability that a beach is 12 miles in length?</h3>
Beach length is considered a continuous variable which takes a numerically positive form because it can have any one of infinite possible values.
As a result, there is no possibility that a beach chosen at random will have a given length of 12 miles which means that the probability is 0.
In conclusion, the probability that a selected beach has a length of 12 miles is 0.
Find out more on continuous variables at brainly.com/question/27761372
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Answer:
2
Step-by-step explanation:
Using the rule of radicals
× 
⇔ 
, then
= 
= 
×
= 2
I think it might be 43° because since the line is going through the middle, it would be 180-47-90=43 (the 90 came from the right angle)
hope this helps! :)
Answer: Choice D
(a-e)/f
=======================================
Explanation:
Points D and B are at locations (e,f) and (a,0) respectively.
Find the slope of line DB to get
m = (y2-y1)/(x2-x1)
m = (0-f)/(a-e)
m = -f/(a-e)
This is the slope of line DB. We want the perpendicular slope to this line. So we'll flip the fraction to get -(a-e)/f and then flip the sign from negative to positive. That leads to the final answer (a-e)/f.
Another example would be an original slope of -2/5 has a perpendicular slope of 5/2. Notice how the two slopes -2/5 and 5/2 multiply to -1. This is true of any pair of perpendicular lines where neither line is vertical.
