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Zinaida [17]
3 years ago
11

The length of the rectangle is 4 feet more than double the width. the perimeter of the rectangle is 80 feet. what is the length

of the rectangle?
Mathematics
1 answer:
Neko [114]3 years ago
5 0
L=4+2w
p=80
2l+2w=80
l=28
w=12
12(2)+4=28
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PLEASE HELP IMMEDIATELY!!!
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Answer:

x = -33

Step-by-step explanation:

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How long would it take for a car to travel 200 km if it has an average speed of 55 km/hr?
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We would like to estimate the proportion of UF students who owns a scooter to within 1% of the truth, with 95% confidence. We do
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2 years ago
Need explaining ASAP I’m in year 4
ZanzabumX [31]

Answer:

first one is 30  5  40

                  35 25  15

                  10  45 20

second one is   5  26  11

                         20 14  8

                          17   2 23

third one is  9 16 11

                   14 1210

                   13  8 15

and forth one is  20  70  60

                           90  50   10

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Step-by-step explanation:

which ever direction you know 2 of 3 numbers, you add them and subtract the sum its supposed to add up to.  rough explanation

3 0
3 years ago
4tan^2 x-8tanx+3=0 on interval [0,2pi]
Vadim26 [7]
\bf 4tan^2(x)+8tan(x)+3=0\qquad [0,2\pi ]
\\\\\\
\textit{since it's just a quadratic, we'll just factor it}
\\\\\\\
[2tan(x)+1][2tan(x)+3]=0\implies 
\begin{cases}
2tan(x)+1=0\\
\qquad tan(x)=-\frac{1}{2}\\
\qquad \measuredangle x=tan^{-1}\left( -\frac{1}{2} \right)\\
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2tan(x)+3=0\\
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\end{cases}
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