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Arada [10]
3 years ago
9

Can someone please help me with number 30?

Mathematics
1 answer:
kenny6666 [7]3 years ago
5 0
This is an application of the pythagorean theorem. 
c^2 = h^2 + b^2
c = 190
b = 102.5
h = ???

190^2 = h^2 + 102.5^2
16100 = h^2 + 10506.25
36100 - 10506.25 = h^2
25593.75 = h^2
sqrt(25593.75) = h
159.98 = h
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What are the explicit equation and domain for an arithmetic sequence with a first term of 7 and a second term of 3?
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<span>I am detailing it to show you how to calculate an explicite equation

Arithmetic Progression First term 7 , second 3 hence d=3-7 = - 4</span>


n=Term rank  ==>║    1     2     3     4     5     6     7......n
Value         ====>║    7     3    -1    -5    -9   -13   -17.......

a(n) (sub Notation║    a₁   a₂    a₃    a₄    a₅    a₆    a₇.....a(n)


Term 1 = a₁ = 7........................7-4(0)
Term 2 = a₂ = 3........................7-4(1)
Term 3 = a₃ = -1.......................7-4(2)
Term 4 = a₄ = -5.......................7-4(3)
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Term n =  a(n) ============7-4(n-1)
So A. an = 7 − 4(n − 1); all integers where n ≥ 1
5 0
4 years ago
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