If m and n are real numbers, i^2=-1, and (m-n)-4i=7+ni, what is...

let x and y be real numbers. find the area enclosed by the graph of the following equation: abs(2x)+...

Let x and y be real numbers satisfying 4x^2+5y^2=1. Over all such pairs, let the maximum and minimum...

if a, b,c are real numbers and not all equal, prove that the equation (c-a)x^2 -2(a-b)x + (b+c) = 0...

For any real numbers x, y, and z, if z=x+|y| which of the following must always be true?

given real numbers x, a, b with x>= a>= b>= 0, show that sqrt x+b - sqrt x-a >= sqrt x+a - sqrt x-b

S is the set of real numbers that are less than 15 A) 0 < s < 15 B) {s/s < 15} C) {s/s <_ 15}**...

all real numbers less than 1 unit from 4

all real numbers that are less than -3 or greater than or equal to 5 A. x < -3 or x ≥ 5 B. x < 5 o...

Real numbers $x$ and $y$ have an arithmetic mean of $18$ and a geometric mean of $\sqrt{47}$. Find $...

For certain real numbers a and b, the function f satisfies f(x) = ax + b + cx^2 and f(bx + a) = x +...

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