a 78 is considered a b
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d2/(d - c) + c2/(c - d) = d2/(d - c) - c2/(d - c) = (d2 - c2)/(d - c) = (d + c)(d - c)/(d - c) = d + c
(c - d)(c + d)
You can't.If f: D --> C where D is the domain of the function f and C is its codomain and D = Ø, then there are no d Є D. Therefore there are no c Є C : f(d) = c. Thus there are no ordered pairs (d, c) to graph.
The formula for finding the circumference of a circle is C = Pi*D where Pi is 3.1416 and D is the diameter. C = pi * D C = 3.1416 * 50 C = 157.08
If the dimension given is the diameter, use the formula C = Pi x D where Pi is 3.1416 and D is the diameter: C = Pi x D C = 3.1416 x 7 C = 21.9912