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harina [27]
3 years ago
7

surface area of prisms. please help with the work shown because i can't figure out how to solve these :(

Mathematics
1 answer:
8090 [49]3 years ago
3 0

here: :)

I did the work, and basically i solved for the area of the faces and then multiplied that by two to get the total surface area of the faces. Then I added in the areas of the sides connecting the two faces:

just as a referral: the formulas to find the faces are as follows:

rectangle: length times width

circle: pi x r^2

trapezoid: h(base1 + base2)

and triangle: (b x h)/2

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Step-by-step explanation:

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aleksklad [387]

Answer:

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Step-by-step explanation:

<u><em>Step(i):</em></u>-

Given the polynomial  

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 put x =-1

               f(-1) = (-1 )³- 7(-1) - 6 = -1+7-6=0

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By using synthetic division

                   x³    x²      x      constant

     x=-1  ↓   1      0      -7        -6

             <u>↓   0     -1      1          6</u>

            <u>       1       -1      -6       0     </u>

<u />

<em>The polynomial    x² - x - 6 </em>

<u><em>Step(ii):-</em></u>

The factors ( x+1)(x² - x - 6 ) = 0

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<u><em>Final answer:-</em></u>

The factors of given polynomial    x =-1 , -2 and x =3

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