Answer:
A. f(n + 1) = (–0.5)f(n)
Step-by-step explanation:
Answer: To simplify an expression means to write an equivalent expression which contains no similar terms. This means that we will rewrite the expression with the fewest terms possible.
Step-by-step explanation: Hope this helps some
Answer:
The perimeter of both figures is equal to 
Step-by-step explanation:
step 1
we know that
The perimeter of a square is equal to

where
b is the side length of the square
we have

substitute

step 2
we know that
The perimeter of a rectangle is equal to

we have


substitute

step 3
Equate both perimeters and solve for x




step 4
Find the perimeter of both
<em>square</em>

<em>rectangle</em>

It is also a quadrilateral
Tan(x) = opp/adj
tan(30°) = 9/n
n x √3/3 = 9
3n x √3 = 27
3√3n = 27
√3n = 9
n = 9/√3