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vaieri [72.5K]
3 years ago
13

The area of a rectangle is 4242 square inches. The length is 77 inches. What is the perimeter of the rectangle?

Mathematics
1 answer:
Mekhanik [1.2K]3 years ago
6 0

Answer:

The perimeter of the rectangle is 264.18

Step-by-step explanation:

To get the perimeter, first you have to figure out the width of the rectangle. 4242 divided by 77 is 55.09. Since the formula of finding the perimeter of a rectangle is 2 (l+w), 77*2=154 and 55.09*2=110.18. So 154+110.18=264.18. Hope this helps.

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<u>Step-by-step explanation:</u>

Here we have , a road follows the shape of a parabola f(x)=3x2– 24x + 39. A road that follows the function g(x) = 3x – 15 must cross the stream at point A and then again at point B. Bridges must be built at those points.We need to find Identify the coordinates where the bridges must be built. Let's find out:

Basically we need to find values of x for which f(x) = g(x) :

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⇒ 3x^2- 27x + 54  =0

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⇒ x^2- 6x-3x + 18  =0

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Therefore , the coordinates where the bridges must be built is (3,-6) and (6,3) .

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