math
3a+8=15-(9a-9)
world history
I was wondering how to spell Ida Peeiffer I mean like this lady couldn't even find it on the internet how crazy is that.
math
Use Descarte's rule of signs to discuss the possibilities for the roots of the equation. Do not solve the equation -5r^(4)+6r^(3)+9r-15=0
math
Use the rational zero theorem, Descartes rule of signs, and the theorem on bounds as aids in finding all real and imaginary roots to the following equation: 4x^(3)-17x^(2)+16=0
math
solve the equation for all real and imaginary solutions (x-3/2)^2-2(x-3/2)+26=0
math
Find all real solutions: sqrt(x+10)+ sqrt(x-1)=11
chemistry
If the decomposition of 3.785 g iron (III) chloride yields 1.302 g iron and 2.483 g chlorine, how many grams of iron and chlorine are produced when 2.175 g iron (III) chloride decomposes?
Math, I have partial answer..
Find the vertex for f(X)=-x^2+8x+6 I came up with (4,22)but i'm not sure. If so, what is the line of symmetry?
word problem
Thank you, Ms. Sue....I had the right concept but was stuck in the last part... Allie
Math word problem
The hypotenuse of a right triangle is 22 m long. The length of one leg is 10 m less than the other. Find the lengths of the legs. I have so far let one leg be x the other leg will be x-10 x^2 +(x-10)^2=22^2 x^2+x^2-20x+100=484
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