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Oduvanchick [21]
3 years ago
6

9x^3 + 45x^2 - 4x -20 ; x+5 synthetic division

Mathematics
1 answer:
almond37 [142]3 years ago
3 0
                    9x² + 0x - 4
x + 5|9x³ + 45x² - 4x - 20
         <u>9x³ + 45x²               </u>
                           -4x - 20
                           <u>-4x - 20</u>
                                     0
The answer is equal to 9x² - 4.
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The lateral area of a right cylinder which has a base diameter of 12 cm and a height of 8 cm is?
garik1379 [7]

Answer:

A = 301.59\ cm^2 or A=96\pi\ cm^2

Step-by-step explanation:

The lateral area of a cylinder is calculated by the following formula

A = 2\pi r * h.

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In this case we know that the diameter d of the cylinder is

d=2r\\\\r=\frac{d}{2}\\\\r=\frac{12}{2}\\\\r=6\ cm

h=8\ cm

Therefore the lateral area is:

A = 2\pi*6 * 8.

A = 96\pi

A = 301.59\ cm^2

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3 years ago
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Answer:

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Step-by-step explanation:

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inn [45]

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Step-by-step explanation:

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