Questions on Algebra: Linear Equations, Graphs, Slope answered by real tutors!

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Question 338432: how do you solve 2x-y=3
Click here to see answer by jim_thompson5910(35256)

Question 338549: please help me to solve this question: 0=16+4(m-6),
28=4+3(t-5)
Click here to see answer by Alan3354(69443)

Question 338520: 12. Given the function q(z) = z2 , find and simplify each of the following:
a) q(z + h) � q(z)
b) q(x3 ) + q(2x + a)

Click here to see answer by Fombitz(32388)

Question 338569: y=52,500x-1,942,500
what is the two coordinates

Click here to see answer by Fombitz(32388)

Question 338728: The Fax Mailer bought a fax machine for $600. The fax machine depreciates at a rate of $20 a month. Find a function F that can be used to determine the value of the fax machine t months after purchase.
Complete the model below
F(t)=____???
Click here to see answer by stanbon(75887)

Question 338732: what is 10+x=5 plz plz hellp me and my friend thnks
Click here to see answer by stanbon(75887)

Question 338731: In 1993, the life expectancy of males in a certain country was 69.1 years. In 2000,it was 71.7 years. Let e represent the life expectancy in year t and let t represent the numbers of years since 1993.
The linear function E(t)that fits the data is
E(t)=
Use the function to predict the life expectancy of males in 2005
E(12)=
Click here to see answer by stanbon(75887)

Question 338737: Sketch a graph of a relation that is not a function. Explain why it is not a function.
I don't even know how to graph a function that is a relation.
I just need a example. But the explainion would be greatly appreciated.
Thanks.
Click here to see answer by stanbon(75887)

Question 338964: Use the Intercepts to Graph the equation.
x+2y=4
Click here to see answer by checkley77(12844)

Question 338702: graph the linear equation x-2=0
Click here to see answer by jim_thompson5910(35256)

Question 338115: If the points (2,3) and (5,y) lie on a line whose slope is -7/6 , what does y equal?
Click here to see answer by jim_thompson5910(35256)

Question 338184: linear equation how do you get x (50-x)-(3x+2)=2
Click here to see answer by jim_thompson5910(35256)

Question 338966: Sketch the lines throgh the point with the indicated slopes on the same set of coordinate axes.
Point (-4,1) Slopes: (a)3 (b) -3 (c)1/2 (d)undefined

Click here to see answer by mananth(16946)

Question 339008: I need a refresher on how to do these types of problems. You dont have to show me the exact answer just maybe an example of a similar problem.
1. Write an equation parallel to 3x + 6y = -12 going through (4,-2) and graph.
2. Write an equation going through (3,5) and graph.
Click here to see answer by jim_thompson5910(35256)

Question 339168: Find an equation for the line perpendicular to y = 5 + 5x that passes through the point (4, 15)
Click here to see answer by Alan3354(69443)

Question 339442: Please help me solve this equation:

Thank you very much.
Click here to see answer by nerdybill(7384)

Question 339541: Write an equation in slope-intercept for: slope -2, passes through (-4,6)
Click here to see answer by nyc_function(2741)

Question 339080: Write in standard form the equation of a line that satisfies the given condition.
parallel to y = -2x + 7 , through (-1, 4)
Please help!
Click here to see answer by Alan3354(69443)

Question 339082: Write in standard form the equation of a line that satisfies the given condition.
perpendicular to 2x + 3y = -6, through (1,2)
Please help!
Click here to see answer by Alan3354(69443)

Question 339671: You are selling cups of coffee at a sporting event. Your sales records show that when the coffee is priced at $3 per cup, you sell 650 cups. When the coffee is prices at $2.50, you sell 930 cups.
Using that information, write a linear equation for the relationship between price (p) and quantity (q) sold. Your starting point is: q = mx + b, which is the slope intercept form of an equation, and using the two ordered pairs you find m and b. Make sure your answer here is an equation
Using the equation in #5 above, at what price of the coffee with you sell 800 cups? Round your answer to the nearest nickel, Use the formula Q=mP+b
Click here to see answer by stanbon(75887)

Question 339727: Q = 20t - 11
Click here to see answer by Alan3354(69443)

Question 339734: 8/y+4/5=8/5y
Click here to see answer by Fombitz(32388)

Question 339109: The graph of the line thru (2,3) that is perpendicular to the line with equation y=-1 also goes through which poiint A (0,1) B(1,4) C 2.-4) D (-2,3) ?
Click here to see answer by Fombitz(32388)

Question 339781: 2x - 7 + 4x = 4x - 10
Click here to see answer by nyc_function(2741)

Question 339760: Find the slope and y-intercept (if possible) of the equation of the line algebraically: 3x+7=0
Click here to see answer by nyc_function(2741)

Question 339078: 3x + 4y = 1
2x + 3y = 1
Solve each system of linear equations by any method.
Please help !
Click here to see answer by Fombitz(32388)

Question 339112: Evaluate f(3/4) if f(x)= {1-2x}?
Click here to see answer by Fombitz(32388)

Question 339079: Write in standard form the equation of a line that satisfies the given condition.
passes through (-2, 1) and ( 0, -3)
Please help!
Click here to see answer by Fombitz(32388)

Question 339821: The time spent watching TV exceeded the time spent listening to the radio by 581 hours. The combined time devoted to these two media was 2,529 hours. In 2007, how many hours did Americans spend listening to the radio and how many hours did they spend watching TV?
Click here to see answer by mananth(16946)

Question 339835: Write the equation of the line which passes through (2, �3) and is perpendicular to y = 4x + 7 in standard form.
Thank you
Alisha
Click here to see answer by mananth(16946)

Question 339835: Write the equation of the line which passes through (2, �3) and is perpendicular to y = 4x + 7 in standard form.
Thank you
Alisha
Click here to see answer by Fombitz(32388)

Question 339148: 6x-7y=4
Click here to see answer by Fombitz(32388)

Question 339900: Find the equation for (4,2) (1,3)
Click here to see answer by jim_thompson5910(35256)

Question 339900: Find the equation for (4,2) (1,3)
Click here to see answer by solver91311(24713)

Question 339896: a-6/5+a-3/6=1/5
Answer should be an interger or simplified fraction
Click here to see answer by Fombitz(32388)

Question 339122: Find the equation for a vertical line that goes thru (o,-5)
Click here to see answer by Fombitz(32388)

Question 339956: i whant to know how to find the linear equation that passes through (5,-7) and (-1,3)
Click here to see answer by jim_thompson5910(35256)

Question 339951: Find the slope and y-intercept. 9-1/3y=8x
Click here to see answer by Fombitz(32388)

Question 339982: find the slope of a line (-9,5)and (9,5)m =
Click here to see answer by nyc_function(2741)

Question 340001: the equation c=35h+60 describes a painter's charge c, for a job that takes h hours. which statement is true
Click here to see answer by solver91311(24713)

Question 340050: 4x + y = 7 and 3x - y = 7 then x + y = ?
Click here to see answer by edjones(8007)

Question 340149: Please help!
I need to know step by step how to write the following as a linear equation:
m=5 b=2
y=5x+2
Click here to see answer by rfer(16322)

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