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

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Question 828560: The area of a rectangle is 28 sq inches. The length is 8 more than thrice the width. Find the length and the width.
Click here to see answer by LinnW(1048) About Me 

Question 828671: I can't figure out this system of equations..
4x-y=14
5x+3y=9
I tried using linear combination and the substitution method on this, but when I get what one of the values equal, it is always a decimal, which can't be right.

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Question 829515: x^2+y^2=13
x-2y=1

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Question 829589: (1/9 h^6 + 6/7 h^2) + (3/4 h^6-1/28h^2)
Ive done the problem and got 11h^6/18 + 23h^2/28 but it was wrong

Click here to see answer by LinnW(1048) About Me 

Question 829668: Flying with the wind a plane went 183 km/h. Flying into the same wind the plane only went 141 km/h. Find the speed of the plane in still air and the speed of the wind.
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Question 830030: Solve the following system of equations.
x + y = 3
2x + 2y = 6

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Question 830030: Solve the following system of equations.
x + y = 3
2x + 2y = 6

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Question 830031: Which equation will result if the substitution method is used to solve the following system of linear equations?
x + y = 6
x = y + 2

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Question 830052: I was given this problem. I am in prep math classes so trying to get back in trhe swing of things.
y= 1/1-x
x=.8
solve for y

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Question 830227: x+y=5 and 2x-3y=4
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Question 831545: How many times would you have to fold a piece of paper so that the thickness was the height of an average teenager?
-Average height of a teenager is around 5'5 inches.
-The thickness of a paper with no folds is .004 inches.

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Question 832232: y=2x-1
3y=6x-5

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Question 833037: 3x-y=11
5y-7x=1
I have to find the x and y. Thanks for your help.

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Question 833037: 3x-y=11
5y-7x=1
I have to find the x and y. Thanks for your help.

Click here to see answer by TigerAlgebra(40) About Me 

Question 833143: Factor completely, 8w^3+6w^2-4w-3.
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Question 832634: Seven times a number plus three times another number equals negative one. The sum of the two numbers is negative three. What are the numbers?
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Question 833308: x-3y=-1
2x-7y=-1
substitution method

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Question 833308: x-3y=-1
2x-7y=-1
substitution method

Click here to see answer by TigerAlgebra(40) About Me 

Question 834338: How do you create a cubic system of equations using the following data points:
(3, 216)
(2.5, 221)
(4, 160)
I know the standard form of a cubic function is y=ax^3+bx^2+cx+d
Thanks!

Click here to see answer by richwmiller(17219) About Me 

Question 834512: Set up the system of equations needed to solve the following problem.
A company produces two types of widgets in two different factories. Factory A produces 25 standard and 50 deluxe widgets per day. Factory B produces 150 standard and 75 deluxe widgets per day. How many days should the company operate each factory in order to exactly fill an order for 500 standard and 325 deluxe widgets?

Click here to see answer by KMST(5328) About Me 

Question 834636: What do you do to find the solution or solutions to the equation x + 3 = 3x? Note: the x after the 3 is an exponent.
Click here to see answer by Fombitz(32388) About Me 

Question 834640: What are the solutions of the inequality 11 < |x - 2| + 4? Graph your solutions on a number line. Show your work. Note: the less than in the problem should be the less than or equal to. I didn't know how to type this on my ipad.
Click here to see answer by josgarithmetic(39617) About Me 

Question 834674: Find the solution to the system of equations by using either graphing or substitution.
Y=6-x and y=x-2
A. 2,4
B. -4,2
C. 4,2
D. No solutions

Click here to see answer by Fombitz(32388) About Me 

Question 834806: im having lots of trouble with slope. ive been trying to ask many people for help with it, and I am still not getting. it. I don't have a specific question but I need to know how to graph it and graph/solve linear equations. im also having trouble with domains and relations.
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Question 834825: -x+3=y
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Question 835292: Solve each system of equations algebraically:
y=-2x+2
6x+2y=3

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Question 835508: please help me solve 3x+y=5 by using elimination
_______________2x-2y=-2

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Question 834821: Y=2x-1 and y=x+3
A. 4,7
B. 7,4
C. -7,-4
D. Infinite solutions

Click here to see answer by Fombitz(32388) About Me 

Question 836345: It cost a family of 7 a total of $373 for general admission to the San Diego Zoo. If each adult ticket cost $59, and each child ticket cost $49, how many adult tickets and how many child tickets were purchased?
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Question 836669: Need help solving this equation very confused....14m-2 {3+5m-[6-(m-2)]}=-10
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Question 836669: Need help solving this equation very confused....14m-2 {3+5m-[6-(m-2)]}=-10
Click here to see answer by josgarithmetic(39617) About Me 

Question 837383: How are you suppose to cancel out ?
(4x+2y=66)
(12x+8y=220)

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Question 837383: How are you suppose to cancel out ?
(4x+2y=66)
(12x+8y=220)

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Question 837506: How do i solve the system 3x+2y=4 and y-2x=9
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Question 837506: How do i solve the system 3x+2y=4 and y-2x=9
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Question 838584: x=17-4y
y=x-2

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Question 838451: 33. Solve the system of equations.
y = 2x – 4
y = 5x + 8

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Question 838876: If x units of a product cost c dollars to manufacture and earn revenue of R dollars, the valve of X where the expressions for C and R are equal is called the break- even quantity, the number of units that produce zero profit. Find the break-even quantity when C=15x+36000 and R=18x
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Question 839390: Given the following system of equations, identify the type of system.
x + y = 4
x - y = 6

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Question 840397: On a fishing trip, Mariko caught 24 fish. She caught soem rockfish weighing about 2.5lbs EACH and some blue fish about 8lbs EACH. The total weight of fish was 137lbs. How many of each fish did she catch.
These need to be solved using systems of equations.
thank you!

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Question 840875: solve the system of x-2y=2 x+y=5
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Question 840834: The sum of two numbers is 12. Four times the smaller number is two less than the larger. What are the two numbers?
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Question 840884: solve the system of x+3y=3 and -x+y=5 (solve by graphing)
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Question 841329: i need help solving -3x+y=-2 and y=x+6 in substitution form

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Question 841926: |2x-1|=5 i really have no idea how to start this

Click here to see answer by josgarithmetic(39617) About Me