Asystem of equations is shown: 2x + 5y + z = 3 4x + y − z = 5 3x + 2y + 4z = 1 a. represent this system as a linear transformation in three-dimensional space represented by a matrix equation in the form of ll= b. b. what assumption needs to be made to solve the equation in part (a) for x. c. use algebraic methods to solve the system
Julie begins counting backwards from 1000 by 2’s and at the same time tony begins counting forward from 100 by 3’s. if they count at the same rate, what number will they say at the same time?
Emily convinced her mom to buy a giant box of her favorite cereal. her mom doesn't think the box will fit on their shelf. the volume of the box is 1000 cm^3 . the base of the box is 25 cm by 10 cm