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DedPeter [7]
3 years ago
14

‼️help please ASAP ‼️

Mathematics
1 answer:
Lana71 [14]3 years ago
3 0
The answer to this question is true. The equation (x-h)^2+(y-k)^2 = r^2 represents a circle with a center at (h,k). Taking (h,k) = (-2,2) and r = 3 results in (x+2)^2 + (y-2)^2 = 9. A negative subtracted by a negative is a positive.
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A concrete pillar has the shape of a cylinder. It has a radius of 4 meters and a height of 7 meters. If concrete costs $94 per c
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Answer:

C = $33,057.92

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Given;

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Substituting the given values;

V = 3.14×4^2 × 7

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The cost of the pillar is C;

C = Volume × cost per volume

C = V × R

C = 351.68 m^3 × $94 per cubic meter

C = $33,057.92

The cost of the pillar is $33,057.92

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