A 2/3 full barrel of sand weighs 449 lbs. When the barrel is 1/2 full of sand, it weighs 348 lbs. When empty, the barrel weighs __lbs.

Find parametric equations for the line tangent to the curve of intersection of the surfaces at the given point. surfaces: xsquared2plus+2yplus+2zequals=1212 yequals=33 point: left parenthesis 1 comma 3 comma five halves right parenthesis

What could explain what happened when the time was equal to 120 minutes

Consider the following equation. 1/2x^3+x-7=-3sqrtx-1 approximate the solution to the equation using three iterations of successive approximation. use the graph below as a starting point. a. b. c. d.