1 year ago

Help me again, Last question!

Mathematics

1 answer:

storchak [24]1 year ago

3 0

Answer:

Step-by-step explanation:

Area of a parallelogram = base times height.

The base is 14 and the height is 3, you just have to rotate the figure.

A = 14 * 3 = 42 square feet

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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}
\\\\\\
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3 years ago

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Andre45 [30]

Answer:

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Step-by-step explanation:

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Semmy [17]

Answer:She can buy 5 goldfish.

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Ludmilka [50]

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2 years ago

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adell [148]

Answer: x=-4

Step-by-step explanation:

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