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Andreas93 [3]
3 years ago
15

What is the lateral surface area of a cone with radius 19 cm and slant height 11 cm

Mathematics
1 answer:
photoshop1234 [79]3 years ago
3 0

Here radius = 19 cm

Slant height =11 cm

The condition for radius and slant height as r<l.

Lateral Surface Area = \pi rl

= \pi *19*11

= 656.59 square cm.

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University Theater sold 556 tickets for a play. Tickets cost $22 per adultand $12 per senior citizen. If total receipts were $84
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To find the answer, set up a system of equations.

Let x=adult tickets and y=senior citizen tickets.

x+y=556
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Change the first equation to make it easy to combine with the second equation.

y=556-x

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22x+12(556-x)=8492

Simplify and combine like terms.

22x+6672-12x=8492
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182 adult tickets were sold, so to solve for the number of senior citizen tickets sold, subtract 182 from 556.

556-182=374

374 senior citizen tickets were sold.
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