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28 September, 19:34

1. Concrete can be purchased by the cubic yard. How much will it cost to pour a slab 11 feet by 11 feet by 3 inches for a patio if the concrete costs $63.00 per cubic yard?

$211.75

$70.58

$317.63

$1,905.75

2. The volume of a cylinder is 980 in. 3 The height of the cylinder is 20 in. What is the radius of the cylinder?

7 in

49 in

327 in

18 in

+5
Answers (1)
  1. 28 September, 19:44
    0
    1. The answer is $317.63. Divide the volume by the cost of each concrete per yard.

    2. The answer is 7 in. Use the formula for the volume of cylinder V = pi*r^2*h for solving the radius.
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