Mean is the average. to find mean, you add all the numbers and divide it by how many numbers there are.
68 + 75 + 85 + 80 + 75 + 82 = 465
There are 6 numbers. That means you have to divide 465 by 6 to get the mean.
Divide:
465 / 6 = 77.5
The answer is D. 77.5
Hope this helped☺☺
Answer:
A
Step-by-step explanation:
The formula for flipping smth over the x axis is(x,y)→(x,−y)
just flip the symbol on the second #
your points are:
(-4,-2)→(-4,2)
(0,-4)→(0,4)
(-4,-5)→(-4,5)
Once you graph it, youll see that the shapes are congruent, just flipped, therefore the answer is A
Answer:
53.3
Step-by-step explanation:
34^2=1156
41^2=1681
1156+1681=2837
Square root of 2837 is 53.26 which rounded to the nearest tenth is 53.3