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  1. ...think of the sides as 6k, 4k and 3k respectively. These add up to 52 cm . 6k + 4k + 3k = 52 13k = 52 k = 4 The sides are therefore: 6k...

    7 Answers · Science & Mathematics · 15/04/2021

  2. ...4/3(pi)(r^3) + pi*r^2*h  .....(1) Find h when the radius is 3 cm .  Given v= 81π cm3 and r = 3 cm . 81π = (4/3)π(3^3)+π(3^2)h, h = 15...

    1 Answers · Science & Mathematics · 04/04/2021

  3. A: surface area (cm²) D: diameter ( cm ) t: time (min) A = πD² dA/dt = d(πD)² ...

    1 Answers · Science & Mathematics · 24/03/2021

  4. ...2) * pi * (72 + 36) => (1/2) * 108 * pi => 54 * pi That's in square cm

    2 Answers · Science & Mathematics · 14/04/2021

  5. 1. ℓw = 36 ℓ = 36/w 2. The length is inversely proportional to width. As the width reduces, the length increases so that their product is always 36.  Similarly as the width increases , the length reduces so that...

    2 Answers · Science & Mathematics · 05/04/2021

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