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2 years ago

Find the surface area of the following figure below. Use 3.14 for pi

Mathematics

1 answer:

Studentka2010 [4]2 years ago

7 0

Surface area of cylinder = 2 x pi x r x h + 2 x pi x r*2

So 2 x pi x 4 x 11 + 2 x pi x 4*2 = 376.99

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Two sets of equatic expressions are shown below in various forms:

Jet001 [13]

Line 1 only should be the answer!

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3 years ago

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Expand 2(x-1) <br> Expand 3(2x+3)<br> Expand 7(x+5) <br> Expand 5(2x-y)

Agata [3.3K]

Those are the answers
2x-2
6x+9
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2 years ago

If sin 21 = cos (5x+9) what is the value of x

n200080 [17]

sin x = cos 54 = sin (90-54) = sin 46

Hence x = 46 deg

Same technique. Sin 21 = cos (5x+9) = sin (90-5x-9)

81-5x = 21

Or 5x = 60

Or x = 12 deg

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3 years ago

Plz help i will give brainly to the person who actually gets it right

Nikolay [14]

Answer:

90x^2+134x+48

Step-by-step explanation:

To get the area of a classroom you just multiply the length times the width

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3 years ago

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X+y+z; use x=4, y=3, z=6

lubasha [3.4K]

Answer:

Step-by-step explanation:

x+y+z;

Let x=4, y=3, z=6

4+3+6

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3 years ago

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