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Question 212338: help me solve this problem. I have to make a linear equation to solve this problem NHL player got a total of 215 points he obtained 111 more assists than goals. How many goals did the player have that year
Click here to see answer by Theo(13342)

Question 212278: how do u right 5x+3y=z+2 in standard form
Click here to see answer by drj(1380)

Question 212969: find the vertex of the parabola
y= x^2-2x-1
vertex (?,?)
Click here to see answer by drj(1380)

Question 212998: Need help in graphing the following compound inequality
x+y>_ 2 and y<_ 2
and shading help please
Thanks
Click here to see answer by drj(1380)

Question 212996: solve the system by substitution for the following problem:
x+8y=-7
8x+9y=7
also need to see what ths looks like on a graph?
Thank you
Click here to see answer by drj(1380)

Question 212996: solve the system by substitution for the following problem:
x+8y=-7
8x+9y=7
also need to see what ths looks like on a graph?
Thank you
Click here to see answer by Earlsdon(6294)

Question 212995: solve the system of equations graphically, If the system does not have a single ordered pair as a solution, state whether the system is inconsistent or dependent for the following problem
2x+y=-1
2x+y=-7
Click here to see answer by drj(1380)

Question 213292: How many gallons of a 4% acid solution should be mixed with 30 gallons of a 13% acid solution to obtain a mixture that is 7% acid?
Click here to see answer by checkley77(12844)

Question 213292: How many gallons of a 4% acid solution should be mixed with 30 gallons of a 13% acid solution to obtain a mixture that is 7% acid?
Click here to see answer by josmiceli(19441)

Question 213292: How many gallons of a 4% acid solution should be mixed with 30 gallons of a 13% acid solution to obtain a mixture that is 7% acid?
Click here to see answer by stanbon(75887)

Question 213290: solve the system of equations by graphing. Then classify the system as consistent or inconsistent and as dependent or independent.
7x-8y=40
8y-7x=-40
Click here to see answer by Alan3354(69443)

Question 213471: How to solve out 3/5t-1/10t=t-5/2
Click here to see answer by drj(1380)

Question 213501: x+5/2+x-1/2=x-1/3
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Question 213529: Use the substitution method to solve the system of equations. Enter your answer as an ordered pair.
3x - y = 7
2x - 2y = 2
Click here to see answer by checkley77(12844)

Question 213529: Use the substitution method to solve the system of equations. Enter your answer as an ordered pair.
3x - y = 7
2x - 2y = 2
Click here to see answer by rfer(16322)

Question 213715: Solve by elimination. Check each solution.
21. 6x-5y=-3
2y-9x=-1
Please help me out ive been stuck on this one for a while!
Click here to see answer by rapaljer(4671)

Question 213715: Solve by elimination. Check each solution.
21. 6x-5y=-3
2y-9x=-1
Please help me out ive been stuck on this one for a while!
Click here to see answer by drj(1380)

Question 213737: use an algebraic approach to solve the problem.
The difference of two numbers is 127. The larger number is three less than six times the smaller number. find the larger and smaller numbers.
Click here to see answer by jim_thompson5910(35256)

Question 211966: please help me solve F(x) = 3x2 - 2x +8 the 3 x is squared.
F(x)=4
F(x)=-1

Click here to see answer by algebrapro18(249)

Question 213819: Hello we are doing substitution and i am having trouble doing it with fractions. i will use this for my fraction sign /. please help.
x/2+y/3=7/6
x/4-3y/2=9/4
Click here to see answer by stanbon(75887)

Question 213820: Hello again im having trouble with this one too. help please.
/ (fraction sign)
1/2x-1/8y=-1/4
-4x+y=2
Click here to see answer by RAY100(1637)

Question 213820: Hello again im having trouble with this one too. help please.
/ (fraction sign)
1/2x-1/8y=-1/4
-4x+y=2
Click here to see answer by stanbon(75887)

Question 213834: x/2=3+(x-30/5)
this is the only question i dont understand too well on my homework please help
Click here to see answer by drj(1380)

Question 213833: x/2=3+(x-30/5)
this is the only question i dont understand too well on my homework please help
Click here to see answer by drj(1380)

Question 213838: Please help me solve this equation: Three times a first number decreased by a second number is 1. The first number increased by twice the second number is 12. Find the numbers

I tried: Let x equal 1st number
Let y equal 2nd number
3x-y=1
3x+2y=12

Click here to see answer by checkley77(12844)

Question 213849: What is the answer to this equation: 5x=+10-6x+3=6-2x-2 and can you tell me how you solved it please and thank you
Click here to see answer by drj(1380)

Question 213899: how to solve linear systems algebraically
problem: 6x-y=-2
-18x+3y=4
Click here to see answer by drj(1380)

Question 213996: Please help me solve the substituation x+y=12 and x-y=-4. I can't figure out how to solve these
Click here to see answer by Alan3354(69443)

Question 213996: Please help me solve the substituation x+y=12 and x-y=-4. I can't figure out how to solve these
Click here to see answer by drj(1380)

Question 214009: 32. The longest cable suspension bridge in the world is the Akashi Kaikyo Bridge in Japan. It has one long span and two short spans. Each short span is half the length of the long span. The total length of the bridge is 3560m.
What is the length of each span?
Click here to see answer by checkley77(12844)

Question 214012: Travel:
Connor is driving 65 miles per hour on the highway. Ed is 15 miles behind him driving at 70 miles per hour. After how may hours will ED catch up to Connor?
I learned about d=rt but I can't seem to get this one. I understand that it is pushing me to think, but...
Click here to see answer by checkley77(12844)

Question 214078: C(x) = 20x + 10,000
R(x) = 100x
Find the profit function
Find the breakeven point
Click here to see answer by nerdybill(7384)

Question 214128: I have problems with a few sums.
1. -14ab (2a+b divided by 7)
2. (5pq^2 divided by 6 - 2p^2q divided by 3) (4p^2q^2)
3. (5x-3y)(4x+6y)(2x-3y)
4. if (p+q)=5 and pq=4,find p^2 +q^2
Click here to see answer by thinkingeye(11)

Question 213787: sqrt(x+1)-sqrt(x-1)=2
Click here to see answer by ankor@dixie-net.com(22740)

Question 214274: x+3 = -(2x+2)
Click here to see answer by rfer(16322)

Question 214287: write and solve an Equation for this
at 10 am a car leavesa house at the rate of 60Mi/h. at the same time,another car leaves the same houseat 50 mi/h in the opposite direction.at what time will the cars be at 330 miles apart?
Click here to see answer by checkley77(12844)

Question 214392: Could you write an equation of the line containing (-4,7) and the parallel to the line 2x=5y+7 and written in the form of y=mx+b? Thank you.
Click here to see answer by DRichardson(63)

Question 214520: Hello im having trouble coming up with the second equation and solving this please help:]
the terminal tower is 242 ft. shorter than the key tower. the total heights of the two buildings is 1658. what are the heights of both buildings.
this is the equation i got x+y= 1658
please help me find the second equation
Click here to see answer by solver91311(24713)

Question 214673: 52. Simplify:(6x-5y)-(8x+2y)
54. Simplify:9(x+1)-5(x+1)
70. Simplify:4x-3(x-4)+6(x-4)

Click here to see answer by tutor_paul(519)

Question 214710: find an equation of the line having the given slope and containing the given point m=-6,(1,7) y= ?
Click here to see answer by drj(1380)

Question 214712: use the intercepts to graph the equation 4x-2y=8 please help me solve and graph
Click here to see answer by drj(1380)

Question 214712: use the intercepts to graph the equation 4x-2y=8 please help me solve and graph
Click here to see answer by jim_thompson5910(35256)

Question 214712: use the intercepts to graph the equation 4x-2y=8 please help me solve and graph
Click here to see answer by Alan3354(69443)

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