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

Tutors Answer Your Questions about Systems-of-equations (FREE)

Question 439278: IN A PEN OF GOATS AND CHICKENS, THERE ARE 40 HEADS AND 130 FEET. HOW MANY GOATS AND CHICKENS ARE IN THE PEN??
Click here to see answer by MathLover1(6649)

Question 439278: IN A PEN OF GOATS AND CHICKENS, THERE ARE 40 HEADS AND 130 FEET. HOW MANY GOATS AND CHICKENS ARE IN THE PEN??
Click here to see answer by Edwin McCravy(8921)

Question 439684: Determine the solution to the system using simple substitution.
y= x+1
2x+y=4
Click here to see answer by solver91311(16897)

Question 440671: Solve the system of equations.
-3x -4y =9
9x +10y =-3
Click here to see answer by mananth(12270)

Question 440783: A motorcyclist drives at a speed of x mph for y hours will travel d miles. d=xy How far will motorcyclist travel at 70 mph for 6 hours.
Click here to see answer by Alan3354(30993)

Question 440904: two boys on bicycles start from the same place at the same time.One rides at 15km/hr, and the other at 15km/hr , and the other at 9km/hr. They travel in opposite directions. How much time will pass before they are 48km apart?
Click here to see answer by jorel1380(2518)

Question 441294: The perimeter of a rectangular lot is 74 feet. The cost of fencing along the two lengths is $1 per foot, and the cost of fencing along the widths is $3.50 per foot. Find the dimensions of the lot if the cost of the fencing is $159.
Click here to see answer by jorel1380(2518)

Question 442165: Tell whether the set represents an exponetial functin.
X Y
0 4
1 12
2 36
3 108

Click here to see answer by ilana(307)

Question 442397: An airplane travels 3594 km against the wind in 6 hours and 4194 km with the wind in the same amount of time. What is the rate of the plane in still air and what is the rate of the wind?
Click here to see answer by jorel1380(2518)

Question 442750: Solve the systems of equations
x/5+y/5=1
x/3-y/3=1
Click here to see answer by stanbon(57424)

Question 442904: ok bud i want to know the order to simply this. here we go
-(2y+7)-4+3y
Click here to see answer by swincher4391(726)

Question 442900: Trains A & B are traveling the the same direction on parallel tracks. Train A at 80 MPH and Train B at 96 MPH. Train A passes a station at 4:25 p.m. If Train B passes the same station at 4:40 p.m., what time will Train B catch up to Train A?
Click here to see answer by Alan3354(30993)

Question 443358: Find the maximum and minimum value of each quadratic relation?
y= x2(square)+5x+6
y= x2(square)+7x-18
y= x2(square)-10x+24
Click here to see answer by richard1234(5390)

Question 443656: 1. A man bought three dozen of oranges and two dozen of apples. his change from a $10 bill was $1.96. One orange costs more than 10 cents and one apple more than 15 cents. How much does an orange cost?

2. Harry bought 28 more expensive pens in a store, recieving44 cents change in coins from a $ 20 bill plus perhaps some bills. How much were the pens?
Click here to see answer by rwm(914)

Question 443654: True or false: there exist integers q and r, 0 ≤ r < c, such that b = cq + r.
Click here to see answer by rwm(914)

Question 443819: x - y = 10
2x + y = 2
what method should i use? and how to solve it?
Click here to see answer by Alan3354(30993)

Question 444577: i paid 17.70 for 12 calamansi and 14 guavas. at the same price my sister paid 21.60 for 6 calamansi amd 24 guavas.find the cost of each?:(
Click here to see answer by oberobic(2304)

Question 445422: Solve for y in the following system of equations.
-2x - 2y = -12
2x - 2y = 28
Click here to see answer by ewatrrr(10682)

Question 445568: how do you answer this question i need help figuring it out.
y=3x-7
6x-2y=12
i need help in figuring out what steps to do please can you help?
Click here to see answer by Alan3354(30993)

Question 445829: Determine whether the graphs of the two equations are perpendicular.
x+2y=7
2x+4Y=3
are the graphs of the given equations perpendicular? Y-N
Click here to see answer by mananth(12270)

Question 446559: x-y+3z=8
3x+y-2z=-2
2x+4y+z=0
Click here to see answer by ewatrrr(10682)

Question 446656: Solve the system by addition or substitution
–9x – 3y = 22 y = –3x – 6
Click here to see answer by MathLover1(6649)

Question 447133: During the 1998-1999 Little League season, the Tigers played 52 games. They won 12 more games than they lost. How many games did they win that season?
I figured if you divided 52 by 2 and you get 26 then add 12 then you get the answer of 38 but not sure how to put it into an equation . Or am I even close ?
Click here to see answer by ankor@dixie-net.com(15667)

Question 447404: i need to write the standard form of a circle whose center is (-8,7) and passes through the point (5,-5)?
Click here to see answer by Alan3354(30993)

Question 447675: I need help with this problem:
Solve the system of equations
x + 3y = 32
-3x + 2y = 3
Click here to see answer by jorel1380(2518)

Question 447783: The sum of two numbers is 41 and the difference is 5. What are the numbers?
i would like the answer but i would like to know how to do this
Click here to see answer by mananth(12270)

Question 447788: The ages of shelby and her father combined equals 55 years. Shelby's father's age,f, is one less than three times Shelby's age,s, What are their ages?
could you please explain how to do this
Click here to see answer by mananth(12270)

Question 448046: 4 less than d how do I know what d is or how do I find out. these symbols and letters are confusing. 4 is four d is d 4 less than d would it be a or 1? could you please help me solve this step by step.
Click here to see answer by solver91311(16897)

Question 448068: I need help with the following question and I need to see the work to get the answer.
Solve the system of equations
x + y = 5
x - y = -9
Click here to see answer by sudhanshu_kmr(1152)

Question 448605: 4x^2+4
Click here to see answer by jim_thompson5910(28598)

Question 449009: Select the ordered pair from the choices below that is a solution to the following system of equations:
2x = y + 11
3y + 7 = -(1/2)x
Click here to see answer by ewatrrr(10682)

Question 449592: Please help me solve this equation : x/3+x/3=11-x

Click here to see answer by MathLover1(6649)

Question 449594: Please help me solve this eqaution: x/2+x/3=11-x
Click here to see answer by Alan3354(30993)

Question 449595: Please help me solve this eqation fully for x: x/2+x/3=11-x
Click here to see answer by edjones(7569)

Question 449818: Solve the system using substitution.
y = 2x + 10
x^2 + y = 13
Click here to see answer by mananth(12270)

Question 449989: Solve using the elimination method
5x-4y=10.5
20x-16y=42
Click here to see answer by rwm(914)

Question 449988: solve using the elimination method
10x+5y=52.5
30x-7y=80.5
Click here to see answer by rwm(914)

Question 449987: Solve using the elimination method.
4x-8y=48
11x+3y=-105.5
Click here to see answer by ewatrrr(10682)

Question 450561: Hi I am trying to solve this system
2x+4y=8
3x+10y=18
I tried the addition method and came up with this:
3(2x+4y)=3(8)-
2(3x+10y)= 2(18)=
-8y=-12=
y=2/3
but I know this is not the right answer because the original problem was in dollars and you can't have 2/3rds of a dollar
Click here to see answer by mananth(12270)

Question 450848: 2(12 - 8x)=x -11x
Click here to see answer by MathLover1(6649)

Question 451200: 2x+-y= 3
-2x+5y= 7
Click here to see answer by ewatrrr(10682)

Question 451204: chip used two sites to download 19 songs for his mp3 player for a total cost of $20.00. much more music songs cost $1.00 each and itunes cost $1.20 each. how many songs did chip download from each company?
Click here to see answer by stanbon(57424)

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