How much was invested in stock if total profit was given
Total of $30,000 is invested in two stocks. At the end of year, one returned 6% and other returned 8% on original investment. How much was invested in stock if total profit was $2160?
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At very bottom of the circle, an extremely sharp knife is rapidly inserted, to cut the string directly beneath the point of support. Determine how far to the right of where the string was cut does the ball hit the floor?
The voltage across an X-ray tube is around 43.0 kV. Assume that that the molybdenum target in the X-ray tube is substituted by a silver target. Find out: (i) The cutoff wavelength of the tube
Compute the positive number coterminal with minus 5 pi over 12. Compute 2 different exact values of t for which Sin(t) = -1/2. Two values of t must not be coterminal.
She requires to determine Q(6) and Q(10). Second model supooses that amount of contaminant reduces exponentially. Determine this exponential model.
By weight, 1st fertilizer is 20% potassium, 30% nitrogen and 50% phosphorus. 2nd fertilizer has percent of 10, 30, and 60 respectively. How much of each should be mixed to get 200lb of fertilizer with percents of 10.5, 32, and 57.5 respectively.
The electric current is passed through solution, and 1.6g of copper is deposited on electrode each hour. Express total mass m on electrode as the function of time t and plot the graph.
The company installs underground cable at the cost of $800 for first 50ft(or up to 50ft) and $5 for every foot thereafter. Write cost C as the function of lenght L of underground cable if L > 50 ft. C = , L > 50.
Determine amount of each alloy required to make 210 kg of the alloy which is 50% lead and 50% zinc. Amount of first alloy needed?
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