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The silica content of magma greatly affects its viscosity. Magma with a high silica content has a? Make a conjecture about the next item in the sequence.1, -4, 9, -16,? 7^(x+1) + 7^x + 7^(x-1) = 399, what is x? A constant current of 1A flow in circuit over period of 5s.total charge flowing through circuit over this duration will be.
Expert plz and? Verify that M(u,v)=A +u(B-A) +v(C -A) ( A,B,C vectors) is a parametric representation of surface of the triangle A(1,0,0) B(0,-1,2) C(0,2,1)?