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Discover Questions

The difference of distances to (x,y) from (10,0) and (-10,0) is 12. What is the equation of the parabola? To which set of numbers does the number -12 belong? A.natural numbers
B.whole numbers
C.integers
D.irrational numbers? What is the temperature, in Celsius, of the air if the speed is 343 m/s? Find the radius of a pipe with 5" diameter and .05 thickness? A double open ended tube is resonat in its 5th harmonic. the speed of sound is 343 m/s and the frequency is 3000 hz. Length of tube?