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Maths Puzzle
Numerical Ability
Please solve each system by graphing. Please help me solve the following problem.
1. y = 2/3x
x = y + 3
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book Other Question
Find the radius of a sphere with surface area 160in squared. use the formula A=4(pi)(r)squared where A is the surface area and r is the radius of the sphere.
Okay I need major help on this question. I need to apply the quadratic formula to this equation bx^2-cx+a^2=0 my problem is i don't know how to apply the formula with two square ro