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Tpy6a [65]
3 years ago
6

You have fifty feet of fencing to use to create a new pen for your dog. Describe three differently-shaped pens you could create.

Make sure to include the possible dimensions of the pen.
Mathematics
1 answer:
anastassius [24]3 years ago
4 0

Answer:

rectangle, square, circle

Step-by-step explanation:

Rectangle: length: 10 feet, Width: 50/10=5 feet

Square: length: 50/4=12.5 feet

Circle: 2pi(r)=50, radius=25/pi

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Step-by-step explanation:

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\frac{1}{2}+8

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ExtremeBDS [4]

Answer:

C) 6 feet

Step-by-step explanation:

The diagram is shown in the attachment.

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4 years ago
Find all solutions to the equation.<br><br> cos^2x + 2 cos x + 1 = 0
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\bf cos^2(x)+2cos(x)+1=0\implies \stackrel{\textit{let's notice, this is simply }ax^2+bx+c=0}{[cos(x)]^2+2cos(x)+1=0} \\[2em] [cos(x)+1][cos(x)+1]=0 \\\\[-0.35em] ~\dotfill\\\\ cos(x)+1=0\implies cos(x)=-1\implies x=cos^{-1}(-1)\implies \stackrel{\textit{for the range }[0,2\pi ]}{x=\pi } \\\\[-0.35em] \rule{34em}{0.25pt}\\\\ ~\hfill \stackrel{\textit{all solutions}}{x=\pi +2\pi n~~,~~ n \in \mathbb{Z}}~\hfill

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