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If blending plant is available for three hours and refining plant is available for two hours, how many tons of each kind of fuel must be manufactured so that plants are completely used?
Average speed on way to airport was 100mph, and average speed returning was 150mph. Determine distance between two airports if total flying time was 5 h.
Working alone, loader A would take two days longer than loader B working alone to remove all dirt. How long for A to do job entirely by itself?
Find how long it will take rocket to reach ground. Determine interval on which height of rocket is greater than 240 ft.
If she averaged six miles per hour riding and three miles per hour walking, how far is it from the home to bicylce shop if total travel was one hour?
In today's world with private companies specializing in delivery of packages (FedEx, UPS, etc.) does government still require to be involved in delivery of mail?
To make the direct hit dad requires to know how fast distance between dog and himself is varying when dog is precisely 900ft from him. Use calculus to find out.
If the red ball is drawn, player wins 3$, if the green ball is drawn, player wins 4$, and if the white ball is drawn player wins nothing. What must carnival operator set bet at if on average he make
Find percent finer than each sieve and plot the grain-size distribution curve. By looking at grain-size distribution curve, do you believe soil is well-graded or not?
By using Gauss-Seidel method, find how much of each of unpopular paints must be added to form one gallone of popular color.
You are working in the foreign country, and to finish the job on time, you require FedEx delivery to arrive, and you require internet to work. Determine probability that you can't finish the job?
Sphere is divided into eight wedges (similar to the section of the orange), Determine surface area and volume of one wedge?
Illustrate that requirement of constant angles yields the trajectory that is in form of the logarithmic spiral, r=a*e^(b*theta), where r is radial distance to prey and theta is azimuthal angle.
The current through starter motor of the car is 210 A. If battery keeps 12 V across motor, what electric energy is delivered to starter in given time 10.0 s?
Two cars arrive at the railway crossing between 7:00 and 7:30 according to the uniform distribution. Crossing is closed between 7:20 and 7:25. Find probability that total waiting time is at least fo
If she sells business, funds will be invested at 8% compounded quarterly. (i) Determine future value if she holds onto business. (ii) What price must she insist on now if she sells business?
Assume sunlight shining vertical on water loses its intensity by the factor of half at 10 ft below water surface. At what depth will intensity be decreased by the factor 1/16 (essentially dark)?
Derive the equation which determines rate of change of concentration in time. Find how long worker should pour in salt to reach desired concentration.
The given table illustrates fast food items which are high in salt. Sketch the box and whisker plot for the data. Label three quartiles.
It is common in educational research when testing novel methods, to give the pretest before teaching new methods and the posttest after instruction.
The television producer wishes to sample viewer preferences of 4 age groups: teenagers from 13 to 18 years old: under 13 years old. Find number of people under 18 years old will be sampled?
The girl running at the constant speed of 1.4m/s in the straight line throw the ball directly upward at 4.7 m/s. How far she will travel before ball drops back into the hand?
Marylin drove the car from amarillo to dallas at the average rate of 55 miles per hour and returned over icy roads averaging only thirty miles per hour.
At most how long can train remain at each station if average speed for trip, comprising stops, is to be at least 36km/hr?
The consultant traveled eight hours to attend the meeting. Return trip took only seven hours as speed was three miles per hour faster. Determine consultant's speed each way?