Mathematics, 22.08.2021 14:00 puppy4151
Một tam giác có 3 cạnh là a, b,c thỏa (a+b-c)^3+(b+c-a)^3+(c+a-b)^3=a^3+b ^3+c^3 chứng minh tam giác đó là tam giác đều
Answers: 3
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Rhombus adef is inscribed into a triangle abc so that they share angle a and the vertex e lies on the side bc . what is the length of the side of the rhombus if ab=c, and ac=b.
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Bag a contains 3 white marveled and 2 marbles bag b contains 6 white marbles and 3 red marbles a person draws one marbles from each bag find the probability that both marbles are white
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At the beginning of the year, adrian's savings account balance was \$28$28. each week, he deposits another \$15$15 into that account, and he doesn't spend any of his savings. is his savings account balance proportional to the number of weeks since the start of the year?
Answers: 1
Mathematics, 22.06.2019 03:00
Anew obstacle course is home to several new types of challenging obstacles. one such obstacle is traversing a 15-stair staircase. to make it more challenging, the stairs are not uniformly spaced. rather, the vertical space between consecutive stairs for the first 10 stairs is 113 feet and the vertical space for the last 5 stairs is 134 feet. what is the total vertical distance traveled ascending and descending the entire 15-stair staircase?
Answers: 3
Một tam giác có 3 cạnh là a, b,c thỏa (a+b-c)^3+(b+c-a)^3+(c+a-b)^3=a^3+b ^3+c^3
chứng minh tam g...
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