3 years ago

A reference sheet given with an exam indicated the following formula for the surface area of a cone.

1 answer:

8 0

Answer:

Using the given formula, the calculated surface area would be in cubic units instead of square units.

Step-by-step explanation:

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leonid [27]

first we need to get rid of the ( ) so that we can see what the question really says

(3x³-5x² - 7+ 4x4) + (9x4 - 10x² - 5x³ + 3)

= 3x³-5x²-7+4x⁴+9x⁴-10x²-5x³+3

now all we need to do is add up the numbers with the same x's

3x³-5x²-7+4x⁴+9x⁴-10x²-5x³+3

= 13x⁴-2x³-15x²-4

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Step-by-step explanation:

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Step-by-step explanation:

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