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2008-08-20 Geometry - Word Problem - Pole Vault: Hello Yomi, The segment below her left hand is twice the length of the segment above her left hand. Mathematically, this means that 2/3 of the full 15 feet are below her left hand. 10 feet are below...
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2008-08-19 Basic Math - tape measure: Hi Sandy It's hard for me to answer this question as the markings are different on the ruler depending on whether the units are measured in metric units or imperial units. Please refer to the diagrams...
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2008-08-19 Geometry - Segment Addition Postulate: Hello Julie! The segment addition postulate states that the sum of the parts equals the whole. MP=MN+NP. Plug in the expressions and solve for the variable. MP=MN+NP (15x-35)=(4x+6)+(7x-5) 15x-35=11x+1...
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2008-08-18 Geometry - Complementary Angles: Hi Emilie! Let "an angle" equal (x). Its complement is thus (90-x). Set up the equation and solve for x. 4(90-x)=200 360-4x=200 -4x=-160 x=40 For a quick verification, the complement of 40...
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2008-08-18 Number Theory - Explain" Every number can be written as difference of two squares": Hello Akshay Welcome to my answer service. The difference of two squares is factorisable. x^2 - y^2 = (x+y)(x-y) If the number is odd we choose (x-y) = 1, then x + y is a difference of squares. So...
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