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belka [17]
2 years ago
5

How do I solve this please help no links

Mathematics
1 answer:
Hitman42 [59]2 years ago
4 0

9514 1404 393

Answer:

  $735

Step-by-step explanation:

We assume the cover needs to cover the pool only, not any extra area around the pool.

The cost is given per square foot, so to find the total cost, we need to know how many square feet the cover must cover. The cost will be found by multiplying the cost per square foot by the number of square feet.*

The dimensions of the pool are given as 35 ft by 70 ft. The pool area is the product of these dimensions.

  A = LW

  A = (70 ft)(35 ft) = 2450 ft²

Then the cost is ...

  C = ($0.30/ft²)(2450 ft²) = $735

The cost to buy a pool cover is $735.

__

* This is the same rule you use for any purchase. The total cost is the cost per item multiplied by the number of items. Here, each "item" is 1 square foot of pool cover.

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Answer:

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Step-by-step explanation:

The volume of a rectangular prism (cuboid) can be figured from its dimensions, or from the base area and height:

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  V = Bh . . . . . . . volume is the product of base area and height

__

Hopefully, you recognize that these are basically the same formula, since the base area is the product of length and width.

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__

The volumes from greatest to least are ...

  D B E C A

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