L = 4w
2L + 2W ≤ 130 cm
I would use the substitution method for this one.
Answer = 2(4w) + 2w ≤ 130 cm
Y - y₁ = m (x-x₁)
y - (-5) = 0 (x-2)
y + 5 = 0
y = -5
Answer:
given - circumference of the coin = 122 inches.
- to calculate - radius of the coin.
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![\fbox\pink{Solution -}](https://tex.z-dn.net/?f=%5Cfbox%5Cpink%7BSolution%20-%7D)
![circumference = 2\pi \: r \\ \\ r = \frac{circumference}{2\pi} \\ \\r = \frac{\cancel{122}}{\cancel2 \times \frac{22}{7} } \\ \\ r = \frac{61}{ \frac{22}{7} } \\ \\ r = 61 \times \frac{7}{22} \\ \\ r = \frac{427}{22} \\ \\ r = 19.41 \: inches \: (approx.)](https://tex.z-dn.net/?f=circumference%20%3D%202%5Cpi%20%5C%3A%20r%20%20%5C%5C%20%5C%5C%20r%20%3D%20%20%5Cfrac%7Bcircumference%7D%7B2%5Cpi%7D%20%20%5C%5C%20%20%5C%5Cr%20%3D%20%20%5Cfrac%7B%5Ccancel%7B122%7D%7D%7B%5Ccancel2%20%5Ctimes%20%20%5Cfrac%7B22%7D%7B7%7D%20%7D%20%20%20%5C%5C%20%20%5C%5C%20r%20%3D%20%20%5Cfrac%7B61%7D%7B%20%5Cfrac%7B22%7D%7B7%7D%20%7D%20%20%5C%5C%20%20%5C%5C%20r%20%3D%2061%20%5Ctimes%20%20%5Cfrac%7B7%7D%7B22%7D%20%20%5C%5C%20%20%5C%5C%20r%20%20%3D%20%20%5Cfrac%7B427%7D%7B22%7D%20%20%20%5C%5C%20%20%5C%5C%20r%20%3D%2019.41%20%5C%3A%20inches%20%5C%3A%20%28approx.%29)
hope helpful :D
I confused ! I don't get what your trying to say please explain better !