If the sequence f is defined as

then

As you can see above, the difference between two consecutive terms gives us a constant.
So f is actually an arithmetic progression (AP), and it has (– 8) as its common difference:

• If f(1) = 100, then
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Answer:
x=3
Step-by-step explanation:
x-6=-3
x=3
Answer:
C 40 inches
Step-by-step explanation:
You can use the pythagorean theorem to solve for the second leg. When you plug in 42 for a and 58 for c, you get 42^2 + b^2 = 58^2, then you can isolate b, which should be 40 inches.
Answer:
11 units
Step-by-step explanation:
Let's do it this way:
Length = l
width = w
initial equation for area is l * w
We know that l = w+5
substitute.
w+5 * w = 36
solve.
6w = 36
w=6
The width is 6 units.
6+5 = 11
length = 11 units
Answer:
10 square2
36 + 64 = 100. In other words, 6² + 8² = 10²