Supplementary angles add up to 180
40+x=180
x=140
There are four scores.
So to find the mean or average, you add all four scores and then divide by 4.
I get 119, then divide by 4, to get 29 and 3/4 or 29.75.
Answer:
4.4
Step-by-step explanation:
hope this helps
Since the problem is 2x^2-5xy-y^3 we first have to plug in what the x and y stands for, once you do that your problem should look like this:
2(-3)^2- 5(-3)(-2)- (-2)^3
Now take the parentheses away and when you do that your signs change.
2x3^2-5x(-3)x(-2)-(-2)^3
do it again with -5x(-3)x(-2)
2x3^2-30-(-2)^3
now do this with (-2)^3
2x3^2-30-(-8)
Now evaluate the power
3^2 becomes 9
2x9-30-(-8)
then change -(-8) to a positive since two negatives make a positive
2x9-30+8
Now multiply the numbers 2x9
18-30+8
Then do 18-30 which equals -12 then add 8
Now you are left with your answer:
<u>-4</u>
Hope this helps! :3
The length of side WX in Quadrilateral WXYZ is 3b units.
<h3>
Coordinate plane</h3>
The distance between two points A(x₁, y₁) and B(x₂, y₂) on the coordinate plane is given by:
Given the coordinates W(b, b), X(4b, b), Y(3b, 0), and Z(0, 0). The length of WX is:
The length of side WX in Quadrilateral WXYZ is 3b units.
Find out more on coordinate plane at: brainly.com/question/26100648
