Answer:
0.5
Step-by-step explanation:
If you add 0.5 to -0.5, it will equal 0.
Answer:
Add up the area of all the sides
Step-by-step explanation:
Surface area is the shell of a 3d shape, not the volume so you add the outside of the shape.
Hope this helps! :)
Answer:
Part 1) 
Part 2) 
Step-by-step explanation:
Part 1) Find the area
we know that
The area of the shape is equal to the area of a quarter of circle minus the area of an isosceles right triangle
so

we have that the base and the height of triangle is equal to the radius of the circle

substitute


simplify
Factor 36

Part 2) Find the perimeter
The perimeter of the figure is equal to the circumference of a quarter of circle plus the hypotenuse of the right triangle
<em>The circumference of a quarter of circle is equal to</em>

substitute the given values


The hypotenuse of right triangle is equal to (applying the Pythagorean Theorem)


simplify

Find the perimeter

simplify
Factor 6

Answer:
5x-13= 12
Step-by-step explanation:
5x-13 = 12
+13 +13
------------------------
5x= 25
x=5
Answer:
Decreasing
Step-by-step explanation:
If I started at the y point and follow the graph line. Then you will see that I will be going down the graph.
Hope this helped