Answer: negative 9 square root of 11
explanation:
5√11 - 12√11 - 2√11
collect like terms by calculating the sum or difference of their coefficients:
(5-12-2) √11
(5-12-2) = (5-14) = -9
so, -9√11
Answer: Median = 3
Explanation:
Sort the numbers to get {1,2,3,5,6}. The middle most number is 3, so that's the median.
Let, the number be "a"
Now, according to the question,





So, the number is 72
Answer: A
Step-by-step explanation:
The average height of a variety a is greater but varies less than a variety b
Answer:
The minor arc PR is 42 degrees
Step-by-step explanation:
The picture of the question in the attached figure
we know that
The inscribed angle is half that of the arc comprising
so

we have

substitute


Remember that the minor arc in a circle is less than 180 degrees
therefore
The minor arc PR is 42 degrees