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Elenna [48]
2 years ago
12

A farmer wants to increase the area of his rectangular pen but keep the pen a rectangular shape. He decides to add 2 1/2 feet of

fencing to the width of the pen, but the length will remain 9 1/4 feet. The new area will be 108 3/4 square feet.
Which equation can be used to determine the original width, w, of the pen?


9 1/4(w+2 1/2)=108 3/4

9 1/4w+2 1/2=108 3/4

2 1/2(w+9 1/4)=108 3/4

2 1/2w+9 1/4=108 3/4
Mathematics
2 answers:
sesenic [268]2 years ago
8 0

Answer:

91/4(w+21/2)=108 3/4

Step-by-step explanation:

docker41 [41]2 years ago
5 0
91/4(w+21/2)=108 3/4
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\large\begin{array}{l} \textsf{Substitute}\\\\ \mathsf{2x-1=u\quad\Rightarrow\quad 2\,dx=du}\\\\\\ \textsf{so (i) becomes}\\\\ =\mathsf{\displaystyle\frac{1}{2}\int\!3^u\,du}\\\\ =\mathsf{\dfrac{1}{2}\cdot \dfrac{1}{\ell n\,3}\,3^u+C}\\\\ =\mathsf{\dfrac{1}{2\,\ell n\,3}\,3^{2x-1}+C} \end{array}


\large\begin{array}{l} \boxed{\begin{array}{c}\mathsf{\displaystyle\int\!3^{2x-1}\,dx=\frac{1}{2\,\ell n\,3}\,3^{2x-1}+C} \end{array}}\qquad\checkmark \end{array}


<span>If you're having problems understanding this answer, try seeing it through your browser: brainly.com/question/2154165


\large\textsf{I hope it helps. :-)}
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Tags: <em>integrate indefinite integral substitution exponential base logarithm log ln composite integral calculus

</em>
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Step-by-step explanation:

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skelet666 [1.2K]

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Step-by-step explanation:

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