Math
Can anyone help me with this? The marginal cost for items in dollars is given by C''(x) = 2x + 30. If the cost of producing 2 items is $220, determine the cost function. What is the cost function? C(x)= _________________
physics
In trying to lift a heavy stone into a moving truck, a worker utilizes rope, a rug, and two long planks of wood. Identify the forces at work in making it too hard for the worker to just lift the stone on his back. HELP!!
Math
Thank you both!!
Math
So the questions was-->Factor the following algebraic equation and describe the process by which it is done: x²+ 3x – 10 = ? I solved the questions correctly but my teacher said I need to show it algebraically not arithmetically. & she said that I need to show how...
math
Steve, thanks for the formulas but I already came up with them, my teacher just wanted me to show the process in which to find the area.
math
can someone help me in finding the process in finding the area for a triangle, trapezoid, circle and rectangle
Phase Changes
The heat of fusion of water is 335 J/g, the heat of vaporization of water is 2.26 kJ/g, the specifc heat of ice is 2.05 J/deg/g, the specific heat of steam is 2.08 J/deg/g and the specific heat of liquid water is 4.184 J/deg/g. How much heat would be needed to convert 10.73 g ...
Math
I have a question that i've worked through but can't seem to figure out how to converge it to kg. A trail mix contains a 4: 7 ratio of raisins to peanuts. How many kilograms of raisins are there if there are four kilograms of peanuts in the mix? 4/7 X x/4 CROSS MULTIPL...
Math
give a one-sentence definition fora polynomial equation
Phase Changes
The heat of vaporization of water is 2.26 kJ/g. How much heat is needed to change 3.74 g of water to steam?
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