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Levart [38]
4 years ago
6

Machine part A must always be four inches smaller in diameter than machine part B's diameter. If machine part A's diameter is 16

inches and machine part B's diameter is x inches, which of the following can be used to solve for x?
A. 16=4X
B. 16=X - 4
C. 16=X+4
D. 16=X/4
     Please help me with this thank you.
Mathematics
1 answer:
leva [86]4 years ago
3 0
B. 16 = x - 4. this relation is true!
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Step-by-step explanation:

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5 0
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Read 2 more answers
Please help I don’t really understand how to go about it.
Airida [17]
\bf \textit{sum of an arithmetic sequence}
\\\\
S_n=\cfrac{n(a_1+a_n)}{2}\qquad 
\begin{cases}
n=n^{th}\ term\\
a_1=\textit{first term's value}\\
----------\\
S_n=795\\
a_1=102\\
a_n=57
\end{cases}
\\\\\\
795=\cfrac{n(102+57)}{2}\implies 1590=159n
\\\\\\
\cfrac{1590}{159}=n\implies 10=n\\\\
-------------------------------

so the nth term is really the 10th term, and we know that's 57, thus

\bf n^{th}\textit{ term of an arithmetic sequence}
\\\\
a_n=a_1+(n-1)d\qquad 
\begin{cases}
n=n^{th}\ term\\
a_1=\textit{first term's value}\\
d=\textit{common difference}\\
----------\\
n=10\\
a_{10}=57\\
a_1=102
\end{cases}
\\\\\\
57=102+(10-1)d\implies 57=102+9d\implies -45=9d
\\\\\\
\cfrac{-45}{9}=d\implies -5=d

so, that's the common difference... .so you'd surely know what the 3rd term is, notice the first one is 102.
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omeli [17]

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Step-by-step explanation:

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Now rewrite them from smallest to largest

2*2*3*3*5

6 0
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