3 years ago

The ____ in an arithmetic sequence can be found by subtracting the first term from the second term

Mathematics

1 answer:

olya-2409 [2.1K]3 years ago

7 0

The [common difference, d, ] in an arithmetic sequence can be found by subtracting the first term from the second term

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The price of an item yesterday was $130. Today, the price fell to $39. Find the percentage decrease.

valentinak56 [21]

Well, the decrease was 130 - 39, that is 91

so... if 130 is the 100%, what is 91 of that in percentage?
well $\bf \begin{array}{ccllll}
amount&\%\\
\textendash\textendash\textendash\textendash\textendash\textendash&\textendash\textendash\textendash\textendash\textendash\textendash\\
130&100\\
91&x
\end{array}\implies \cfrac{130}{91}=\cfrac{100}{x}$

solve for "x"

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Step-by-step explanation:

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8090 [49]

Hi!

2.06m + 6.13 = 17.78

First subtract 6.13 from both sides
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MrRissso [65]

Answer:

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Step-by-step explanation:

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