4 years ago

among all the rectangles whose perimeters are 100 ft, find the dimensions of the one with maximum area

1 answer:

7 0

A rectangle can also a square, which means they can have four equal sides and it would still be a rectangle, so you can take 100, divide it by 4 and each side will equal 25 ft. and when you try to find the area it will be 625 ft^2 and that is the biggest area possible because if you try any other combination, the area becomes less and less.

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For the dinner special at a restaurant , the customer must choose a salad, an entree, a side dish, and a dessert... How many din

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All you need to do is multiply the different types of each choice.

For salad, there are three different items. For entree, there are four different items. For side dish, there are three different items. for dessert, there are three different items.

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$3 \times 4 \times 3 \times 3 = 108$