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The silica content of magma greatly affects its viscosity. Magma with a high silica content has a? Could someone help me with these math problems? I can't figure them out. Solve the linear equation;
x+2y=15
y=-2x+0 9x-12y=-3
-12x+16y=4? If x^2+y^2 = 6, and x+y=3, then what is x^3+y^3? If a+b+c=4, ab+ac+bc=6, and abc=3, what is 1/a + 1/b + 1/c? If 7.46g of CrCl3 are dissolved in enough water to make 385 mL of solution, what is the molarity of the resulting solution?