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Mathematics: Post your doubts here!

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21:
b)
Distance = Area of trapezium 1 + Area of trapezium 2 + Area of rectangle
= 150 + 210 + 320 = 680 m

18)
Arc length = perimeter - 2(radius) = (16 + 14.pie) - 2(8) = 14.pie

(x/360) * 2 * pie * 8 = 14pie
16.x.pie/360 = 14.pie
16.x.pie = 360 (14.pie)
x = [360 (14.pie)]/16.pie
x = 315
woah..now thats what we call "like a pro" :D
 
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21:
b)
Distance = Area of trapezium 1 + Area of trapezium 2 + Area of rectangle
= 150 + 210 + 320 = 680 m

18)
Arc length = perimeter - 2(radius) = (16 + 14.pie) - 2(8) = 14.pie

(x/360) * 2 * pie * 8 = 14pie
16.x.pie/360 = 14.pie
16.x.pie = 360 (14.pie)
x = [360 (14.pie)]/16.pie
x = 315
wait....why do i need to find the arc length??
 
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NIM

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okay,
shear factor formula and matrix?
stretch factor formula and matrix?

if you have f(x) = 2-x
and g(x) = 3x+4

will fg(x) = 2-(3x-4)
or will fg(x) = 3(2-x) - 4
???

confused.
fg(x) = 2-(3x-4) correct !!!
 
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have anyone done the math or the business exam yet ??? i dont need questions, just wanna know is it hard or easy ? ^_^
 
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