Tasha and Sarah sold bags of cookies.

Mathematics

2 answers:

olya-2409 [2.1K]2 years ago

8 0

Answer:

72 cookies

Step-by-step explanation:

So 1, you multiply Tasha's 4 bags by 8 cookies (4×8), which equals 32. Then, you multiply Sarah's 5 bags by 8 cookies (5×8), which equals 40. And finally, you add 32 and 40 (32+40) which equals 72 cookies.

Sergio [31]2 years ago

5 0

8x9= 72 bags of cookies all together.

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Step-by-step explanation: I hope this makes sense.

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A rectangular garden has a perimeter of 172 feet. The length of the garden is 24 feet more than the width. What are the dimensio

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Given width is 24 less than length.
W=L-24
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Step-by-step explanation:

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Read 2 more answers

What is the sum of a 12-term arithmetic sequence where the last term is 13 and the common difference is -10?

Y_Kistochka [10]

$\bf n^{th}\textit{ term of an arithmetic sequence}\\\\
a_n=a_1+(n-1)d\qquad 
\begin{cases}
n=n^{th}\ term\\
a_1=\textit{first term's value}\\
d=\textit{common difference}\\
----------\\
n=12\\
d=-10\\
a_{12}=13
\end{cases}
\\\\\\
a_{12}=a_1+(12-1)d\implies 13=a_1+(12-1)(-10)
\\\\\\
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$\bf \\\\
-------------------------------\\\\
\textit{sum of a finite arithmetic sequence}\\\\
S_n=\cfrac{n}{2}(a_1+a_n)\qquad 
\begin{cases}
n=n^{th}\ term\\
a_1=\textit{first term's value}\\
a_n=\textit{value of the }n^{th}\ term\\
------------\\
n=12\\
a_1=123\\
a_{12}=13
\end{cases}
\\\\\\
S_{12}=\cfrac{12}{2}(a_1+a_{12})\implies S_{12}=\cfrac{12}{2}(123+13)$

and surely you know how much that is.

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