The sum of n whole numbers is S. If each number is multiplied by 10 and then decreased by 10, what is the sum of the new numbers in terms of n and S?

Ten times the square of a non-zero number is eqaul to ninety times the number

Use circumcenter theorem to solve for the given values

The value of x in this system of equations is 1. 3x + y = 9 y = –4x + 10 substitute the value of y in the first equation: combine like terms: apply the subtraction property of equality: apply the division property of equality: 3x + (–4x + 10) = 9 –x + 10 = 9 –x = –1 x = 1 what is the value of y?