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schepotkina [342]
3 years ago
6

4+9+14+19+...+494 What is the arithmetic sequence answer

Mathematics
1 answer:
Volgvan3 years ago
4 0

Answer:

Step-by-step explanation:

4+9+14+...+494

d=9-4=5

\[a_{n}=a_{1}+(n-1)d\]494=4+(n-1)5\\490=(n-1)5\\n-1=98\\n=98+1=99\\S_{n}=\frac{99}{2} (4+494)\\=99*\frac{498}{2} \\=99*249\\=24,651

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Write g(f(x)) as an expression in terms of x
yawa3891 [41]

An expression is defined as a set of numbers, variables, and mathematical operations. The value of g(f(x)) is (x²-10x+13) / (x²-10+29).

<h3>What is an Expression?</h3>

In mathematics, an expression is defined as a set of numbers, variables, and mathematical operations formed according to rules dependent on the context.

The complete questions is,

Write g(f(x)) as an expression in terms of x

f(x) = x-5

g(x) = \dfrac{x^2-12}{x^2+4}

The value of g(f(x)) as an expression in terms of x can be written as,

g(f(x)) = \dfrac{(x-5)^2-12}{(x-5)^2+4}\\\\\\g(f(x)) = \dfrac{x^2+25-10x-12}{x^2+25-10x+4}\\\\\\g(f(x)) = \dfrac{x^2-10x+13}{x^2-10+29}

Hence, the value of g(f(x)) is (x²-10x+13) / (x²-10+29).

Learn more about Expression:

brainly.com/question/13947055

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2 years ago
Which algebraic expression is a polynomial with a degree of 2?
Maslowich

Answer:

B and D

Step-by-step explanation:

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I hope this helps you



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