# Questions on Algebra: Systems of equations that are not linear answered by real tutors!

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 Algebra: Systems of equations that are not linear Solvers Lessons Answers archive Quiz In Depth

 Question 65295: Jim is a fisherman. He varies the depth at which he fishes according to the following function: D(t)= -t^2+10t where t is measured in hours. Estimate the time when he fishes at the greatest depth and tell me that depth. Click here to see answer by josmiceli(9693)
 Question 65295: Jim is a fisherman. He varies the depth at which he fishes according to the following function: D(t)= -t^2+10t where t is measured in hours. Estimate the time when he fishes at the greatest depth and tell me that depth. Click here to see answer by Earlsdon(6287)

 Question 65307: The value of a certain make of car depreciates \$2000 when you drive it off the lot and 10% a year thereafter... Write a function for the value of the car after one year dependent upon the original new price (p) Thanks! Click here to see answer by josmiceli(9693)

 Question 65294: The value of a certain make of car depreciates \$2000 when you drive it off the lot and 10% a year thereafter...Write a function for the value of the car after one year dependent upon the original new price (p). Click here to see answer by stanbon(57377)

 Question 65335: can you help me solve this by factoring or using the square root?? 3x(squared)-48=0 Click here to see answer by stanbon(57377)

 Question 65552: The last time Jim went fishing he only caught 3 fish. The total weight was 64 ounces. The first one was twice as big as the second fish. And the third one was halve as large as the first. How many ounces did each fish weigh? Click here to see answer by 303795(595)

 Question 65551: The greenhouse roof has 1.5 times the surface area of the floor. I want to coat both the roof and floor with a clear-coat plastic sealer. The total square footage for both is 750 sq.ft. What is the square footage of the floor? Click here to see answer by 303795(595)

 Question 64631: The greenhouse I am building for my wife is 6 feet longer than it is wide. I only have enough concrete for 56ft of foundation (the number of feet in the foundation is equal to the perimeter of the building) what are the possible values for the length of the building? Click here to see answer by Earlsdon(6287)

 Question 65616: The bottom on Johns rectangular box is 3 inches longer than it is wide. The diagonal is 15 inches. What is the area of the bottom of the box? Thanks Click here to see answer by ptaylor(2048)

 Question 65617: The greenhouse heats up in the sun according to the formula T=55+2.356 x 10^-2*h^3 Where h is the number of hours the sun hits the building. In December the average number of hours that the sun will hit the greenhouse is 6.72. How warm should we expect the greenhouse to get by the end of an average day in December? Click here to see answer by stanbon(57377)

 Question 65612: I need to factor completly x^8-1 and y^3+125 Click here to see answer by stanbon(57377)

 Question 65611: I need to factor completly a^2-4a+4 and 2x^2y-32y Click here to see answer by stanbon(57377)

 Question 65610: could someone help me solve these equations and write the result in scientific notation.. (3.86x10^15)*(2.15x10^-7) and (3.86x10^15)/(4.15x10^-7) Thanks in advance for your help! Click here to see answer by stanbon(57377)

 Question 65637: Consider the following two equations. 8s + 2t = x t + 4s = -1 If there are an infinite number of real-valued solutions for s and t, what must be the value of x? After solving the problem, the answer i got was 2, however, according to the book the right answer is negative 2. How do u solve this problem? Click here to see answer by Earlsdon(6287)

 Question 65785: I need to simplify and reduce to lowewst terms (4x^3y)/(2x^2y) and 1/x+4 Thanks! Click here to see answer by checkley71(8403)

 Question 65792: Hi! I need to simplify c^2+d --- -- d^3 c^2 ----------------- c^4+d^4 Thanks so much! Click here to see answer by Cintchr(481)

 Question 65846: Solve x^2 + y^2 = 5 x - 3y = 5 Click here to see answer by funmath(2925)

 Question 65795: The greenhouse cools down after the sun sets to the following formula T=85-(n^2-1)/(n+1), where n is the number of hours the sun after the stops hitting the building. In December the average number of hours that the sun does not hit the greenhouse is 16.25. How cool should we expect the greenhouse to get by sunrise of an average day in December? Click here to see answer by ankor@dixie-net.com(15657)

 Question 65865: hello, i need some help to simplify and reduce to lowest terms 1/(x+5y)-5/(x-5y)+3/(x^2-25y^2) Click here to see answer by ankor@dixie-net.com(15657)

 Question 65794: The number of fish that jon catches is dependent upon the lures he uses. He also uses lots of expensive lures. Here in S.C each fisherman can use 2 poles at one time so jon can use two different lures. If L^1 represents the number of fish caught per hour for the first lure on the pole that he holds and if L^2 represents the number of fish caught per hour for the lure on the pole that he puts on the "dummy" holder, then the formula below represents the relation between the two lures used and the total number of lures lost per hour using the 2 poles (C is the rate of lures lost per hour using both poles) If the combined lost rate and the rate for fish on lure 2 are known, write a function for the rate of fish on the first lure (solve the equation for L^1) 1/C=1/L^1+L^2/L^1 Click here to see answer by stanbon(57377)

 Question 66003: Hi! I need some help simplifying and reducing to lowest terms [(x^3+27)/(x+3)]/[(x^2-3x+9)/(x-3)] Thanks for the help in advance Click here to see answer by Cintchr(481)

 Question 66059: multiply using the foil method (2x - 3)(x^2 + 5x - 3) Click here to see answer by algebrapro18(206)