(a)
= 400
(b)
(c) Only the positive solution makes sense because you cannot have a negative side length.
(d) Since one side of the painting is 20 inches, all four sides together will be 20*4 = 80 inches
Answer:
40 degrees
Step-by-step explanation:
The sum of the angles is 180.
A 100 degree angle cannot be a base angle because then
the sum of the base angles would be 200 degrees.
The 100 must be the vertex angle.
Equation:
x + x + 100 = 180
2x = 80
x = 40 degrees.
Each of the base angles is 40 degrees.
The answer to -6(x+3)=6 is x= -4
Answer:
for 
Step-by-step explanation:
Given
-- First Term
--- half common difference
Required
Find the recursive rule
First, we calculate the common difference
Multiply through by 2
The second term of the sequence is:
The third term is:
So, we have:
Substitute f(1) for 3
Express 1 as 2 - 1
Substitute n for 2
Similarly:
Substitute f(2) for 11
Express 2 as 3 - 1
Substitute n for 3
Hence, the recursive is:
for
The speed of the water in the 3 feet radius is 25 feet per second.
