Get college assignment help at uniessay writers I need to solve the following system of differential equations analytically (i.e. showing all the steps). dP1/dt = – 1/(A1*B1)[-(C1(P1-D) – E(P2-P1)….(1) dP2/dt = – 1/(A2*B2)[-(C2(P2-D) E(P2-P1)….(2) where P1 = pressure 1 P2 = pressure 2 A1,A2,B1,B2,C1,C2,D,E are constants. to solve for P1 and P2
A trough is 9 meters long, 1.5 meters wide, and 2 meters deep. The vertical cross-section of the trough parallel to an end is shaped like an isoceles triangle (with height 2 meters, and base, on top, of length 1.5 meters). The trough is full of water (density 1000kgm3 ). Find the amount of work in joules required to empty the trough by pumping the water over the top. (Note: Use g=98ms2 as the acceleration due to gravity.)
The edge of a cube was found to be 40 cm with a possible error of 0.3 cm. Use differentials to estimate the maximum possible error in the calculated volume of the cube.
the minute hand of a clock is 1.2 centimeters long. How far does the tip of the minute hand travel in 40 minutes?
an apple orchard has an average yield of 36 bushels of apples per truee if tree density is 22 trees per acre. For each unit increase in tree density, the yield decreases by 2 bushels per tree. how many trees per acre should be planted to maximize the yield
A trough is 4 meters long, 2.5 meters wide, and 1 meters deep. The vertical cross-section of the trough parallel to an end is shaped like an isoceles triangle (with height 1 meters, and base, on top, of length 2.5 meters). The trough is full of water (density 1000kgm3 ). Find the amount of work in joules required to empty the trough by pumping the water over the top. (Note: Use g=98ms2 as the acceleration due to gravity.)
A poster is to have an area of 220 in2 with 2 inch margins at the bottom and sides and a 3 inch margin at the top. What dimensions will give the largest printed area? (Give your answers correct to one decimal place.) 1Your answer is incorrect. in (width)
The owner of a store displays a large jar of nickles and dimes and offers the value of the coins to the person who guesses how many dimes there are. If there are 1,130 coins, and they are worth $100, how many dimes are there?
A population is modeled by the differential equation dP/dt=2P(1-P/100)For what values of T is the population decreasing? (a) 50<P100 (c)P>50 (D)0<P<50 (e)0<P<100
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Get college assignment help at uniessay writers A rectangle is inscribed in a circle of radius 2. Let P=(x,y) be the point in quadrant 1 that is a vertex of the rectangle and is on the circle. (To see a picture of the quadrant, click on the following link and fast forward to 3:51) For what value of X is the area the largest? For what value of X is the perimeter largest? Please show work.
use generation functions to solve the recurrence relation ak = 4 ak-1 – 4 ak-2 k^2 with initial conditions a0 =2 and a1=5.
A poster is to have an area of 230 in^2 with 3 inch margins at the bottom and sides and a 7 inch margin at the top. What dimensions will give the largest printed area?
One boat travelling 15 mph goes 47 miles downstream in the same amount of time that another boat going 20 mph goes 40 miles upstream. How fast is the current in mph?
What is the strategy? Provide your own example of an equation that requires that you apply all 4 parts of the strategy. Solve your equation and identify the property that you are applying with each step. Try to challenge yourself with your example choice (in other words, try not to make it too simple).
You go to the doctor and he gives you 17 milligrams of radioactive dye. After 16 minutes, 7.75 milligrams of dye remain in your system. To leave the doctor’s office, you must pass through a radiation detector without sounding the alarm. If the detector will sound the alarm if more than 2 milligrams of the dye are in your system, how long will your visit to the doctor take, assuming you were given the dye as soon as you arrived?
Which would produce a larger balance: an annual interest rate of 8.05% compunded annually, or an annual interest rate of 8% compunded continously? Show your work and explain using “effective yield”? Im confused on what goes where in the formulas plz help
Find the number of weak compositions of 25 into 5 odd parts
National Business Machines manufactures x model A fax machines and y model B fax machines. Each model A cost $110 to make, and each model B costs $140. The profits are $30 for each model A and $39 for each model B fax machine. If the total number of fax machines demanded per month does not exceed 3100 and the company has earmarked not more than $374,000/month for manufacturing costs, how many units of each model should National make each month in order to maximize its monthly profits P?
An airplane covrs a distance of 1600 miles in 4 hours when it flies with the wind and 5 1/3 hours when it flies against the wind. What is the speed of the plane in still air?
A merchant has coffee worth $20 a pound that she wishes to mix with 60 pounds of coffee worth $80 a pound to get a mixture that can be sold for $40 a pound. How many pounds of the $20 coffee should be used
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