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What is the expression of a perimeter of a rectangle if a rectangle has a width of n and a length of 2n?
The perimeter of any rectangle is twice the sum of the length and the width of the rectangle; in the present instance, 2(n + 2n) = 6n.
What is the molecular geometry of NO2?
The molecular geometry of NO2 is linear. N(triple bond)N(single bond)O
How do you make a pythagorean triple?
Use Euclid's formula. Take any two integers m and n that are coprime and let m > n (if not, just swap them around). Then a = m2 - n2 b = 2mn and c = m2 + n2 form a primitive Pythogorean triple. And since (a, b, c) is a Pythagorean triple then so is (k*a, k*b, k*c) for any integer k, except that the latter is not primitive.
A constant push of 250 N is needed to slide a crate that weighs 400 N along a 2 meter long ramp If the ramp raises the crate 1 meter what is the ramp's efficiency?
80%
What numbers of tiles can make 5 rectangles?
Prime numbers raised to the 4th power can make five different rectangles. They can make the following sizes: 1 height by n4 width n height by n3 width n2 height by n2 width n3 height by n width n4 height by 1 width 24 = 16; rectangles would be 1 x 16, 2 x 8, 4 x 4, 8 x 2, and 16 x 1 34 = 81; rectangles would be 1 x 81, 3 x 27, 9 x 9, 27 x 3, and 81 x 1
