the area of a concrete rectangular pathway is 350 squaredmeter and it's perimeter 90m.use w to represent the width?​

Sagot :

Answer:

Lengths either 35 or 10

Step-by-step explanation:

Area of rectangle = 350 m

[tex]l \times b = 350 \: m {}^{2} [/tex]

Perimeter of rectangle = 90 m

[tex]l + b = 45 \\ \\ l + \frac{350}{1} = 45 \\ \\ l {}^{2} - 45l + 350 = 0 \\ \\ l = 35 \: or \: 10[/tex]

Lengths either 35 or 10

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