3 years ago

Graph the ellipse with equation x^2 /25 + y^2 /4 = 1.

Mathematics

1 answer:

nexus9112 [7]3 years ago

4 0

Center: 0,0
vertex: 5,0
vertex2 (-5,0)

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zysi [14]

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B. 199

Step-by-step explanation:

We are given an Arithmetic sequence : 3, 7, 11, 15, ...

We are supposed to find the 50th term .

So, first consider the formula of nth term in Arithmetic mean:

$a_{n} = a+(n-1)*d$

where

a is first term of sequence

n is term position

d is common difference

$a_{n}$ = the term you are supposed to find

Now,

a = 3 ( first term )

n = 50 th term ( given )

d = 7-3 = 11-7 = 4(common difference

Substitute these value in the formula given above

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⇒ $a_{50} = 3+(49)*4$

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⇒ $a_{50} = 199$

Hence ,The 50th term of given arithmetic sequence is 199

So, OPTION B is correct .

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