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Question 26931: I have managed to work the rest of this question but the last bits are hell.Please help.
I am trying to find the GRADIENT of the line PERPENDICULAR to AB
(i)
A(3,2)................B(4,-1)
(ii)
A(-6,3)...............B(6,3)
Click here to see answer by venugopalramana(3286)

Question 26957: 7x-3=6x I am not sure I understand the process explained by our instructor to find answers to problems like this where can I look on this site for help?
Click here to see answer by elima(1433)

Question 27015: Find two consecutive odd intergers such that when the smaller is added to twice the larger the, the result is 24 more than the larger integer.
The formula I used was this x+x+2=24.

Click here to see answer by Paul(988)

Question 27034: the u.s earned an all time 34 medals at the olympics. the number of gold earned was 1 less than the number bronze. the number of silver earned was 2 more than the number of bronze. how many of each kind of medal did the u.s earn?
Click here to see answer by josmiceli(9671)

Question 27033: the kings won two less than three times as many games as they lost. they played 82 games.. how many wins and losses did the team have?
Click here to see answer by josmiceli(9671)

Question 27119: an old care has to travel a 2 mile route,up hill and down.The car can climb the first mile -the ascent-no faster than an average of 15mph. How fast does the car have to travel the second mile, on the desent to achieve an average speed of 30 mph for the trip?

this is what I tried, is this correct?
15 +x/2 =30
x= 45

Click here to see answer by Paul(988)

Question 27126: ***CAN SOMEONE PLS HELP ME! this is really about factoring in groups. this symbol ^# indicate exponents.. thank you so much!!
3x^2 + 17x + 10

5y^8 - 125

a^2- 2ab - 15b^2

4c^2 - 12c + 9

p^4 - 1

6y^2 - 54

x^2 + 10x + 21

a^2 - 10ab + 3b^2

5x^2 - 10^x

x^2+ 12xy + 35y^2

Click here to see answer by elima(1433)

Question 27155: -x/3+y/2=1
Solve the equation for y
write the answer in the form of y=mx+b
Click here to see answer by elima(1433)

Question 27200: -3(x+2)-2=6(2x-1)
Click here to see answer by JayJay_T(6)

Question 27342: 45=a+26
Click here to see answer by Alwayscheerful(414)

Question 27393: how to answer: thrice a number increased by 1 is 52.find the number

Click here to see answer by Eric Johnston(7)

Question 27461: how do u solve this problem and what would be the point i put on the graph... the questions goes.
Samantha earns $7 per month more than her sister. write an equation to find the amount of money, y, samantha earns, when her sister ears x dollars. graph the equation in the space at the right... the it gives me some space to draw the graph i just need to know how to solve the problem and what the points (x,y) are gonna be....

then it tells me to use the graph that im going to supposebly draw to find how much samantha earns when her sisters earns $2.50. How can y ou check your answer? (i think that doesn't make sence and thats why i need help on learning how to solve this.........
Click here to see answer by stanbon(57307)

Question 27635: Write an equation of a line that contains the given the given point and is parallel to the given line.
1.) (6,-2) 3x + 2y = 8
2.) (-1,7) 6x - 3y = 9
3.) (0,1) y = 3/7x - 8
Write an equation of a line that contains the given the given point and is perpendicular to the given line.
1.) (6,5) y = -1/2x + 1
2.) (9,-3) y = 3x + 8
3.) (0,4) y = -5/7x - 2

I'm desperate for some help!!!^^Thank you.
Click here to see answer by venugopalramana(3286)

Question 27633: Write an equation of a line that contains the given the given point and is parallel to the given line.
1.) (6,-2) 3x + 2y = 8
2.) (-1,7) 6x - 3y = 9
3.) (0,1) y = 3/7x - 8
Write an equation of a line that contains the given the given point and is perpendicular to the given line.
1.) (6,5) y = -1/2x + 1
2.) (9,-3) y = 3x + 8
3.) (0,4) y = -5/7x - 2

I'm desperate for some help!!!^^Thank you.
Click here to see answer by venugopalramana(3286)

Question 27733: what is the slope of 5x+7
Click here to see answer by sdmmadam@yahoo.com(530)

Question 27872: I have tried to solve this problem The equation y=0.79x+10 can be used to determine the cost y of purchasing x sheets of gift-wrap from a catalog. What is the y-intercept of this equation? I think it's (0,10)or (0,0.79).
Click here to see answer by bmauger(101)

Question 28301: simplify each expression by combining like terms
1.5y-2(y-3x)+(7x-y)
2.-6(-2pq+3)-10(q+2pq)
3.3[a+3(a+5)]
Click here to see answer by LilSkittleMd(119)

Question 28567: Use the intercept method to find the equation of a straight line passing through (-3,0) and (0,2)
Click here to see answer by sdmmadam@yahoo.com(530)

Question 28497: Find a linear model for the given set of data. Explain your thinking process in arriving at the equation.
x -2 0 1 3 4
f(x) 8 2 -1 -7 -10
Please help
Thank you very much
Click here to see answer by venugopalramana(3286)

Question 28674: I am having some real problems with this. I have not been in an algebra class for 24 years and am taking this class online and would love some assistance. Could you explain the process you used to solve it, thanks so much you guys are great.
Straight line depreciation is a linear equation. The current value y, of a certain company's piece of equipment after x years is y = 30,000 - 1000x.
a. Find the intial value of the equipment
b. Find the value after 4 years
c. Find the value after 6 years
d. Graph the depreciation line.
Click here to see answer by stanbon(57307)

Question 28675: I hope I am asking this in the right section, but I need help with this problem.
A budget line shows all of the different combinations of goods a person can buy with a given budget, B. If a company has $500.00 to spend on 2 goods, "a" and "b" and "a" = $50.00 and "b" = $10.00, graph the budget line using the equation ax + by = B I tried this and got the following did I do this correctly?
ax + by = B
ax + by = 500
50x + 10y = 500
10y = 500 - 50x
y = 50-5x
I used -1, 0, 1 in my xy axis table
I came up with three ordered pairs of (-1,55) (0,50) (1,45)
Click here to see answer by stanbon(57307)

Question 28696: Word problem as follows:write a system of equationss in two variables. Solve
Kathy and Chris studied a total of 54 hours for the cpa exam. If chris studied only 1/2 as many hours as Kathy, then how many hours did each of them study?
I figured in my head that the answer was 18 and 36 but I am having a hard time comming up with the equation to get me to the answer. I would really appreciate any help
Click here to see answer by josmiceli(9671)

Question 28695: stated as a fraction x/x-1-3/x=1/2 my text states that it is looking for 2 answers 1 for each of the x's I would appreciate any help on the path to get there.
Click here to see answer by wuwei96815(245)

Question 28661: could u solve this equation for me 5(y-3)=y+1
Click here to see answer by Lal(16)

Question 28787: Translations:
Bill has 4/3 as much money as Bob. Together, they have $126. Find out how much money each of them has.
Click here to see answer by elima(1433)

Question 28885: Good evening my name is karen and this is my question I have to solve algebraic applications accurately using translation relationships and solve comparison relationship. These are my directions Identify variables, write and equation to model the situationand then solve the problem. I had a problem with question #5.
5.The cost of a bag of doritos from the vending machine is $0.04 more than half of the cost of a bag of doritos from a 8 package box. The bag of chips from a vending machine is $0.70; what is the cost of the bag of chips from the 8 package box?
Click here to see answer by stanbon(57307)

Question 28948: if the slope is 2/3 and the point is(6,1)what is the y=mx+b
Click here to see answer by sdmmadam@yahoo.com(530)

Question 28584: I'm trying to solve for addition for the following problem
2x-4y=7
4x+2y=9
I began to solve multiplying by 2 for the 2nd equation to get rid of the variable y
2x-4y=7
8x+4y=18
10x=25
25/10 = 2.5 or x = 2.5
However, something is wrong, I can't seem to solve for y which makes me think I started out solving this problem of addition the wrong way.
2(2.5)-4y=7
-4y=7
y=3
2(2.5)-4(3)=
5-12=-7

Click here to see answer by sdmmadam@yahoo.com(530)

Question 29095: How do you do -2y=-3
Click here to see answer by sdmmadam@yahoo.com(530)

Question 29096: Can you please explain this to me, x-2y=-3
Click here to see answer by sdmmadam@yahoo.com(530)

Question 29094: How do you do -2y=-3
Click here to see answer by sdmmadam@yahoo.com(530)

Question 29037: Any assistance would be great! Please help.
3. Solve the system by addition.
–4x + 5y = 1
x – 4y = 19

6. Find the slope of the line passing through the points (–4, 1) and (–4, 4).
{{4-1/-4--4}}
Undifined because the Denomator is 0

15. Solve the system.
5x – 3y = 13
4x – 3y = 11

16. Solve for c. a = 1/2 bc^2
2a=bc^2
2a/b=c^2
sqaure root of 2a/b=c

17. Solve the system.
x + 2y = –15
–2x + 4y = 6

28. Rewrite the equation y = 4x – 1 as a function of x.
y+1=4x
y+1/4=x

33. Write the equation of the line that passes through point (0, 7) with a slope of 8/3.
y=mx+b
7=8/3(0)+b
7=b
y=8/3x+7

Click here to see answer by ms.jennifer(4)

Question 29088: How do you do 2x+y=5

Click here to see answer by sdmmadam@yahoo.com(530)

Question 29029: 1/5 - 4/3M = 2/m
Click here to see answer by sdmmadam@yahoo.com(530)

Question 29220: Solve for x:
(x-4)/2-1/5=(7x+1)20
Click here to see answer by Nate(3500)

Question 29222: For the line with slope -2 and passing through point (1,-2) the equation of the line in slope-intercept form is?
Click here to see answer by Nate(3500)

Question 29228: HI
Here is my question...
How would I determine the slope of a line with the points (-5,2) and (3,1)
I can figure it out when I look at a graph but I can't do it with no graph. Can you help me?
Thanks
Click here to see answer by Nate(3500)

Question 29188: 6x/x-6 -4/x=24/x^2-6x
show me step by step how to solve
Click here to see answer by sdmmadam@yahoo.com(530)

Question 29246: I don't remember to much about algebra. I am trying to help my daughter study for a test and I need help. Can you help me answer this question?
y=4x-2 and also y=9-5x.
I would really appreciate your help.
Click here to see answer by wuwei96815(245)

Question 29304: Determine whether the lines through each pair of points are parallel.
(2, -2) and (-8, 10)
(-7, 1) and (-2, 5)
Click here to see answer by Earlsdon(6287)

Question 29302: I am so lost and confused with these. Can anyone help?
The monthly cost of a certain long distance is given by the linear function
y = 0.05x + 9.95 where y is in dollars and x is the amount of time in minutes called in a month. Find and interpret the slope and y-intercept of the linear equation.
Click here to see answer by Earlsdon(6287)

Question 29365: Can someone help?
-4=6(x-7)-3x
Click here to see answer by atif.muhammad(135)

Question 29365: Can someone help?
-4=6(x-7)-3x
Click here to see answer by sdmmadam@yahoo.com(530)

Question 29383: Hello, Im in a little bit of a pickle here...Our teacher gave us this question in class, and said we did not need to know anything more than what we already know. We havent learned matricies, or determinants or anything like that, but it seems to be the only way I can solve it. Is there way simpler?
The following system represents 3 planes which intersect in a line.
2x+3y-z=7
x-4y+5z=h
4x+ky+4z=8
Find the values of h and k.
(and does intersect on a line mean they are the same line...or something else?)
Thanks a lot!
Alex
Click here to see answer by longjonsilver(2297)

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