Discover Questions

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)? If 7.46g of CrCl3 are dissolved in enough water to make 385 mL of solution, what is the molarity of the resulting solution? Describe how and where new crust material is made. Describe how and where old crust is destroyed.?