It is incorrect because the length of the unknown side is the square root of 7,225.
If you use the pythagorean theorem and plug in the values,
a^2 + 132^2 = 157^2
a^2 + 17424 = 24649
-17424 -17424
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a^2 = 7225
If you square root it, the final answer would be 85.
Answer:
f(n)= f(1)+d(n-1)
Step-by-step explanation:
the aerithmetric explict formula is the one above, but im not sure what the question is asking, your difference is 4 btw
Answer:
D. 4X^2+1
Step-by-step explanation:
This is because when you add one after the function it moves it up one unit. When you multiply the first part by four, it causes the function to vertically stretch making it narrower.
There is an area of 180 square ft. Hope this helps (:
Answer:
a_n = 2.2 + 0.6 n
a_50 = 32.2
Step-by-step explanation:
What's the common difference of this series?


Common difference =
.
Expression for the nth term:

n = 50 for the fiftieth term. Therefore
.