4 years ago

20×0.25 decimal operations multiplication

Mathematics

2 answers:

slavikrds [6]4 years ago

5 0

Answer:

the answer is 5

Step-by-step explanation:

asambeis [7]4 years ago

4 0

Answer:it would be 5

Step-by-step explanation:

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noname [10]

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Step-by-step explanation:

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3 years ago

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Ugo [173]

Answer:

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Step-by-step explanation:

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8 0

3 years ago

An arithmetic sequence with a thrid term of 8 and constant difference of 5

olga nikolaevna [1]

$\bf n^{th}\textit{ term of an arithmetic sequence}\\\\
a_n=a_1+(n-1)d\qquad 
\begin{cases}
n=n^{th}\ term\\
a_1=\textit{first term's value}\\
d=\textit{common difference}\\
----------\\
d=5\\
a_3=8\\
n=3
\end{cases}
\\\\\\
a_3=a_1+(3-1)5\implies 8=a_1+(2)5\implies 8=a_1+10
\\\\\\
\boxed{-2=a_1}
\\\\\\
a_n=-2+(n-1)5$