If u have 40 dollars which is 8 times more money than Jefferson has how much money does Jefferson have

Mathematics

1 answer:

3241004551 [841]3 years ago

3 0

Write it as an equation, letting the amount Jefferson has equal x:

40 = 8x

Solve for x by dividing both sides by 8:

X = 40/8

X = 5

Jefferson has $5

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Find the first 4 terms of the Arithmetic sequence. f(n) = f(n-1) + 5 f(1) = -2

nexus9112 [7]

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the next term or f(n), will have a value of
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so.. you're looking for the 4th term, that means f(4)
to get 4th term then, that will be the 3rd term plus 5,
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now... f(1) = -2, simply means, the term 1, or f(1), or first term, is -2

now to find a term value in an arithmetic sequence $\bf f(n)=f(1)+(n-1)d\\\\
\begin{cases}
n=n^{th}\ term\to &4\\
f(1)=\textit{first term}\to &-2\\
d=
\begin{array}{llll}
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\textit{added to get the next term}
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\end{cases}\\\\
-----------------------------\\\\
thus
\\\\
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and I'm sure you know what f(1) is, so, just plug it in, to get f(4), or 4th term

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4 years ago

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MrRissso [65]

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Answer:

Step-by-step explanation:

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