# 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 15912: I need help solving this problem. The length of a rectangular sign is 3 feet longer than the width. If the sign has space for 40 square feet of advertising, find its length and width. Click here to see answer by pwac(253)

 Question 15911: I need help solving this problem. Great white sharks have triangular teeth with a height that is 1 centimeter longer than the base. If the area of one tooth is 15 square centimeters, find its base and height. Remember that the area of a triangle is one-half its base times its height. Click here to see answer by pwac(253)

 Question 16117: Given: x h(x) 1 2 2 3 3 6 4 11 5 18 What I have figured out: Square x and then subtract progressive odd numbers and the answer is h(x). Examples: 1 squared = 1 subtract -1 = 2 2 squared = 4 subtract 1 = 3 3 squared = 9 subtract 3 = 6 4 squared = 16 subtract 5 = 11 5 squared = 25 subtract 7 = 18 I dont' know how to write the equation. Click here to see answer by longjonsilver(2297)

 Question 16280: The sum of two numbers is 15. Three times one of the numbers is 11 less than five times the other. Find the numbers. Click here to see answer by iryneigh(1)

 Question 18534: When entering this equation into the calc. under polysimult (solvesyseq-TI83), do I just substitute zero's in the blanks to get the answer? Thanx! :) 3x+2y(blank)= -2 (blank) 2y-3z =1 x-2y+2z = 4 Click here to see answer by Alwayscheerful(414)

 Question 18771: 1. 3-4q=10q+10 2. 3k-5=7k-21 3. 5t-9=3t+7 4. 8s+9=7s+6 its solving questions on each side of the problem Click here to see answer by piglet162431(90)

 Question 19446: Solve the system by the addition method. Determine whether the equation is independent, dependent, or inconsistent. -3x+2y=8 3x+2y=8 Click here to see answer by xcentaur(357)

 Question 19754: ms. lynch has 21 coins in nickle and dimes.Their total value is \$1.65.How many of each coin does she have Click here to see answer by Paul(988)
 Question 19754: ms. lynch has 21 coins in nickle and dimes.Their total value is \$1.65.How many of each coin does she have Click here to see answer by mmm4444bot(95)

 Question 19967: m + In Lewis Carroll's Through The Looking Glass, Tweedledum says to Tweedledee, "The sum of your weight and twice mine is 361 pounds." Then Tweedledee says to Tweedledum, "Contrariwise, the sum of your weight and twice mine is 362 pounds." Find the weight of Tweedledum and Tweedledee. Click here to see answer by glabow(165)

 Question 19995: It takes a passenger train 2 hours less time than it takes a freight train to make a trip from Central City to Clear Creek. The passenger train averages 96 km/h while the freight train averages 64 km/h. How far is it from Central City to Clear Creek? Click here to see answer by Paul(988)

 Question 19996: It takes a small jet plane 4 hours less time than it takes a propeller-driven plane to travel from Glen Rock to Oakville. The jet plane averages 637 km/h while the propeller plane averages 273 km/h. How far is it from Glen Rock to Oakville? Click here to see answer by Paul(988)

 Question 19986: A family purchased 7 tickets for a train ride. The total cost was \$27. If adult tickets were \$5, and children's tickets were \$3, find the number of each type of ticket purchased. Click here to see answer by Paul(988)

 Question 19965: Jermaine was in charge of buying milk for a class picnic for 32 students. Milk is sold in half-gallon cartons and gallon cartons at a neighborhood grocery store. The half-gallon costs \$1.46 and the gallon carton costs \$2.39. When he got to the store, there was not much milk left. Jermaine bought all 21 cartons they had and paid a total of \$41.82. How many cartons of each size did he buy? Click here to see answer by Paul(988)

 Question 19998: It took 3 hours to row a boat 18 km against the current. The return trip with the current took 1.5 hours. Find the speed of the rowboat in still water. Click here to see answer by Paul(988)

 Question 21018: in class we're learning about system of equations and i don't really understand it so what is the coordinate for x-4y=15 and 2x+5y=4. could you explain it? Click here to see answer by mmm4444bot(95)

 Question 20001: A student walks and jogs to college each day. The student averages 5 km/h walking and 9 km/h jogging. The distance from home to college is 8 km, and the student makes the trip in 1 hour. How far does the student jog? Click here to see answer by suresh(20)

 Question 21794: I am a parent with 9th grde algebra problems with my son. We are both lost and I need help. The worksheet says Equations and rational numbers.I cannot identify where to begin here is an example problem, 3a+1 =2 the 3a+1 has a line under it like a fraction over 5. Some of the others are like this, 1/4h+1/2=1 or 3/5x+1/2=4 1/10 Click here to see answer by queenofit(120)

 Question 22027: For the following function, find the vertex and the maximun or min value: h(x)=-2x^2+6x-3 so far I have done is -2(x^2-3x)-3 I'm not sure if I am suppose to find the perfect square or what. Thanks for your help. Click here to see answer by venugopalramana(3286)

 Question 22177: I think its called Simplifying algebraic expressions?? I understand the concepts of like terms and all. However with these I find myself not knowing what to do please help me! Problem one for example. Simplify xsquared minus 4x minus 12 problem2 Solve for X x squared plus three x minus ten equals 0 please helpppppppp!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! my finall exam I have to take over i norder to pass the course that i have already taken 3 times. Click here to see answer by elima(1433)

 Question 22242: Tanisha has 70 coins, all quarters and dimes. There are 30 more quarters than dimes, Find the number of each coin. Click here to see answer by Paul(988)