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Author: Tinku Tara

the-base-of-an-object-is-in-the-form-of-a-circle-with-radius-1-suppose-that-all-section-of-the-object-are-perpendicular-to-a-diameter-of-a-square-determine-the-volume-of-the-object-

Question Number 153918 by joki last updated on 12/Sep/21 $$\mathrm{the}\:\mathrm{base}\:\mathrm{of}\:\mathrm{an}\:\mathrm{object}\:\mathrm{is}\:\mathrm{in}\:\mathrm{the}\:\mathrm{form}\:\mathrm{of}\:\mathrm{a}\:\mathrm{circle}\:\mathrm{with} \\ $$$$\mathrm{radius}\:\mathrm{1}.\:\mathrm{suppose}\:\mathrm{that}\:\mathrm{all}\:\mathrm{section}\:\mathrm{of}\:\mathrm{the}\:\mathrm{object}\:\mathrm{are} \\ $$$$\mathrm{perpendicular}\:\mathrm{to}\:\mathrm{a}\:\mathrm{diameter}\:\mathrm{of}\:\mathrm{a}\:\mathrm{square}.\:\mathrm{determine} \\ $$$$\mathrm{the}\:\mathrm{volume}\:\mathrm{of}\:\mathrm{the}\:\mathrm{object}? \\ $$ Answered by talminator2856791 last updated on 12/Sep/21…

find-the-equation-of-a-parabola-with-focus-3-3-and-directrix-y-0-

Question Number 88378 by Rio Michael last updated on 10/Apr/20 $$\:\mathrm{find}\:\mathrm{the}\:\mathrm{equation}\:\mathrm{of}\:\mathrm{a}\:\mathrm{parabola}\:\mathrm{with}\:\mathrm{focus}\:\left(\mathrm{3},\mathrm{3}\right) \\ $$$$\mathrm{and}\:\mathrm{directrix}\:\:{y}\:=\:\mathrm{0} \\ $$ Commented by john santu last updated on 10/Apr/20 $${o}\:{yes}.\:{should}\:{be}\:{a}\:{vertex}\: \\…

There-are-four-boxes-each-of-them-contains-exactly-the-same-numbers-1-2-3-n-Four-different-numbers-are-drawn-from-the-boxes-and-multiplicated-with-each-other-to-get-a-product-What-s-the-sum-of

Question Number 88372 by mr W last updated on 10/Apr/20 $${There}\:{are}\:{four}\:{boxes},\:{each}\:{of}\:{them} \\ $$$${contains}\:{exactly}\:{the}\:{same}\:{numbers}: \\ $$$$\mathrm{1},\mathrm{2},\mathrm{3},…,{n}. \\ $$$${Four}\:{different}\:{numbers}\:{are}\:{drawn} \\ $$$${from}\:{the}\:{boxes}\:{and}\:{multiplicated} \\ $$$${with}\:{each}\:{other}\:{to}\:{get}\:{a}\:{product}. \\ $$$${What}'{s}\:{the}\:{sum}\:{of}\:{all}\:{products}? \\ $$$$\underset{{a}\neq{b}\neq{c}\neq{d}}…

Question-153905

Question Number 153905 by liberty last updated on 12/Sep/21 Commented by MJS_new last updated on 12/Sep/21 $$\mathrm{3}^{\mathrm{3}} \left(\frac{\mathrm{1}}{\mathrm{2}×\mathrm{5}}+\frac{\mathrm{1}}{\left(\mathrm{2}+\mathrm{3}\right)\left(\mathrm{5}+\mathrm{3}\right)}+\frac{\mathrm{1}}{\left(\mathrm{2}+\mathrm{2}×\mathrm{3}\right)\left(\mathrm{5}+\mathrm{2}×\mathrm{3}\right)}+…+\frac{\mathrm{1}}{\left(\mathrm{2}+\mathrm{11}×\mathrm{3}\right)\left(\mathrm{5}+\mathrm{11}×\mathrm{3}\right)}\right) \\ $$ Answered by MJS_new last updated…