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How do you draw the geometric mean in a right triangle?
draw a perpendicular from the vertex of the right angle to the hypotenuse. the hypotenuse now has 2 parts, the longer is d, the shorter is e. the mean is m ( the perpendicular you just drew) e/m = m/d
A surveyor starts at the southeast corner of a lot and charts the following displacements a equals 700 m n b equals 400 m w c equals 145 m s and d equals 100 m e what is the net displacement?
If we look at the net Northern first, he goes 700 m N and 145 m S so that's 555 N. Then if we look at the westerly direction, he goes 400 m W and 100 m E so that's a net of 300 m W. So those are the N and E net displacements, to find the overall displacement we'd use Pythagorus to work out the direct line. So 555^2 + 300^2 = total displacement^2 308,025 + 90,000 = 398025 total displacement = square root(398,025) = 630.9 m.
How many words can be made using the letters 'S T N D E M O'?
145
What is the meaning PEMDAS?
P is for parenthesis E is for exponent M is for multiplication D is for division A is for addition S is for subtraction...
How can you remember the order of operations?
P-E-M-D-A-S parenthesis's, exponents, multiplication, division, addition, and subtraction
