Complete question:
A circle with radius 3 has a sector with a central angle of 1/9 pi radians
what is the area of the sector?
Answer:
The area of the sector =
square units
Step-by-step explanation:
To find the area of the sector of a circle, let's use the formula:

Where, A = area
r = radius = 3
Substituting values in the formula, we have:

The area of the sector =
square units
Answer:
4x^2-81y^2 is NOT a perfect square trinomial, factored. You know this because if you factor this to (2x+9y)(2x-9y) then you will see that the signs between terms in the parenthesis are DIFFERENT.
Step-by-step explanation:
Taking notes as you go through the course will help you retain and process the information much better than getting "help" from a site that is probably badly named.
Answer: 1073741824 because 2x4 is 8 and 8 to the power of 10 is 1073741824
Answer:
48.54
Step-by-step explanation:
You start of with 28.49, you spend (<em>Subtract</em>) 14.95, which gives us 13.54
In the bowling alley you win 35 dollars more, so you <em>add</em>, ( 13.54 + 35.00 = 48.54)