Answer:
7.2
Step-by-step explanation:
Apply Law of Cosines, given that b is 13.5, c is 8.9, and Angle a is 29.





Using it's formula, considering the results, it is found that the accuracy of the test is of 0.95 = 95%.
<h3>What is the accuracy of a test?</h3>
It is given by the <u>number of correct results divided by the number of tests</u>.
In this problem, there were 80 tests, of which 80 - 2 - 2 = 76 had correct results, hence the accuracy is given by:
A = 76/80 = 0.95 = 95%.
More can be learned about the accuracy of a test at brainly.com/question/3128152
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Answer:
r= 5
Step-by-step explanation:
10, 24, and 38.
A composite number is the opposite of a prime number: it can be dived by numbers other than 1 and itself.
Answer:
it depend on the question but if it is asking if they have the same answer then it is true
Step-by-step explanation: