Algebra 2
2011/0 is not real number
math
The length is x and 70-x. The area is 7x=210
MATHS
Let segments AB and CD have common point E. Then AC<AE+EC and BD<BE+ED. AE+EC+BE+ED=AB+CD
Math OPTIMIZATION
y(12-x-y)=4(12-4-4)=16
Math OPTIMIZATION
The total area A=A(x,y). A=x(12-x)+y(12-x-y)=12x-x^2+12y-xy-y^2 Partial derivatives A'x=12-2x-y A'y=12-x-2y Solve the equations A'x=A'y=0 => a. x=y=4 b. Amax=32+16=48 c. 24+16=40
Math
2(4)=8
College Precalculus
14x/(x^2-121)>=0 14x/((x-11)(x+11))>=0 x>11 or -11<x<=0
College Precalculus
7x+17>0
Math
59+95=154
Math
n+(n+1)=x 2n+1=x 2n=x-1 n is the lesser of two numbers
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