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

Tutors Answer Your Questions about Linear-equations (FREE)

Question 990129: finding the equation using the ordered pairs (-7,5) and (6,5)
Click here to see answer by Alan3354(69443)

Question 990049: 3y - 4x = 12
Click here to see answer by Alan3354(69443)

Question 990177: A movie theater has operating costs of $1025 per day tickets cost $7.50 each the movie theaters profit each day depends on the number of tickets sold
B) how many tickets must be sold for the theater to have a profit of $500

Click here to see answer by solver91311(24713)

Question 990220: 2x=6
Click here to see answer by farohw(175)

Question 990287: The formula (W�2)-3H=53 models the recommended weight W, in pounds, for a male, where H represents the man's height, in inches, over 5 feet. what is the recommended weight for a man who is 6 feet, 3 inches tall?
Click here to see answer by macston(5194)

Question 990286: Your grandmother needs your help. She has $50,000 to invest. Part of this money is to be invested in noninsured bonds paying 15% annual interest. The rest of this money is to be invested in a government-insured certificate of deposit paying 7% annual interest. She told you that she requires $6000 per year in extra income from both of these investments. How much money should be placed in each investment?
Click here to see answer by macston(5194)

Question 990282: Can you please help me do this equation?
You are choosing between two plans at a discount warehouse. Plan A offers an annual membership fee of $100 and you pay $80 of the manufacturer's recommended list price. Plan B offers an annual membership fee of $40 and you pay 90% of the manufacturer's recommended list price. How many dollars of merchandise would you have to purchase in a year to pay the same amount under both plans and what will be the cost for each plan?
Click here to see answer by macston(5194)

Question 990337: At urgills used cars, the salesperson get a base salary of $25,000 per year and earn a 5% commission on total sales they make. Jill has accepted a position with urgills used cars as a salesperson. She would like to make $50,000 per year. How total sales of used cars must she make in one yeat in order to make her goal?
Click here to see answer by Boreal(15235)

Question 990371: Write an equation in slope-intercept form for the line that has the indicated slope, m, and contains the given point.
M=-1/2, (8,1)
Click here to see answer by Alan3354(69443)

Question 990419: Give the equation of the line pass through the each of the following pairs of points. Give your answers as equations in slope-intercept form,if appropriate, otherwise use "x (-4,-8) and (7,8)
Click here to see answer by josgarithmetic(39617)

Question 990375: Write an equation with y-intercept -6 and parallel to the line 5x+4y=1
Click here to see answer by Fombitz(32388)

Question 990570: Find the slope of a line that has given relationship to the given line.If the slope is undefined, state this. -5x+6y=-46

Click here to see answer by Fombitz(32388)

Question 990598: Write an equation of the line with the given slope, m, and y-intercept (0,b)
m=2, b=1
Click here to see answer by stanbon(75887)

Question 990721: a(x + c) = 2ad + c for a
Click here to see answer by MathLover1(20849)

Question 990749: 0.25(x+4)+0.35(x+2)-4=x-0.3
Click here to see answer by solver91311(24713)

Question 990747: 3x-1/2 -3(x- 1+x/4)+3=0
Click here to see answer by solver91311(24713)

Question 990745: 1/x-1+1/x-4=2/x-3
Click here to see answer by solver91311(24713)

Question 990770: Please help me solve this!
"State weather each function is a linear function. Explain"
Y= 2/3x
Thank you!!
Click here to see answer by solver91311(24713)

Question 990886: Bon Jovi and Bruce Springsteen had the two top-grossing North American concert tours for 2008. Together generating $415.3 million in ticket sales. If Bruce Springsteen took in $6.1 million less than Bon Jovi, how much did each tour generate?

My work:
J= Bon Jovi
S= Bruce Springsteen
J + S = 415.3
J - 6.1
S + J-6.1 = 415.3
Click here to see answer by KMST(5328)

Question 990860: PLEASE HELP ME SOLVE THIS QUESTION
Use graph to solve the linear programming problems?
MAXIMISE:
Z=5x+7y
Subject to: 3x+6y=60
x+2y=20
x=0, y=0
Click here to see answer by Alan3354(69443)

Question 990932: Find the equation for the line that passes through the point (-1,-3), and that is perpendicular to the line with the equation y=-1/3x+1.
Slope: m1= -1/3
Slope: m2= 3
Y-(-3)= 3(x-(-1))
3(y-(-3)) =3(x-(-1))
3y-9= 3x-3
3x-3y= 6
Y= 3x+6

Click here to see answer by jim_thompson5910(35256)

Question 990930: x-y=1
5x=2y+17
Is the system inconsistent dependent or neither.
Click here to see answer by MathLover1(20849)

Question 990946: Here's the math problem:
Robert must select a monthly calling plan for local telephone service.
Measured service:
$9.91 per month plus 1.6 cents per min for local calls
Unlimited service:
$16.85 per month for local calls
How many minutes per month of local calls in Zone 1 is Unlimited service the most expensive?
Thank you so much to whoever helps!
Click here to see answer by rothauserc(4718)

Question 991026: solve each linear equation
ax + b + a(x+b) = b for x
Click here to see answer by josgarithmetic(39617)

Question 991012: solve each literal equation for the indicated variable.
f + y/3 = y/8 for f
Click here to see answer by farohw(175)

Question 991029: An automobile repair shop charged a customer $448, listing $63 for parts and the remainder for labor. If the cost of labor is $35 per hour, how many hours of labor did it take to repair the car?
Click here to see answer by Cromlix(4381)

Question 991025: solve each literal equation
P / 6rn = 7 / 9nx for P
Click here to see answer by ankor@dixie-net.com(22740)

Question 991015: Solve each literal equation for the indicated variable.
2y - 3x = ay - 2x for y
Click here to see answer by Fombitz(32388)

Question 991011: solve each literal equation for the indicated variable. Then substitute the values of the other variables into the derived expression and simplify.
Solve S = c(h + r)for h. Then evaluate the resulting expression to find h when S = 72(pie)in.(squared), c = 6(pie)inches, and r = 3 inches?
Click here to see answer by ankor@dixie-net.com(22740)

Question 991014: Solve each literal equation for the indicated variable.
S = 2(pie)rH + 2(pie)r(squared) for H
Click here to see answer by ankor@dixie-net.com(22740)

Question 991224: Determine the standard form of the equation of the line that passes through (6,0) and (2,-7)
a. -7x-4y=-42
b. -7x-4y=42
c. -7x+4y=42
d. 4x+7y=-42

Click here to see answer by solver91311(24713)

Question 991225: Find an equation in slope-intercept form of the line that has slope -2 and passes through point A(1,9)
a. y=-2x-11
b.y=11x+2
c.y=-2x+11
d.y=2x+11
Click here to see answer by solver91311(24713)

Question 991226: Find an equation in slope-intercept form of the line that has slope 2 and passes through point A(-3,-1)
a. y=5x+2
b. y=2x+5
c. y=-2x+5
d. y=2x-5
Click here to see answer by stanbon(75887)

Question 991273: There is a line that includes the point (-1, -3) and has a slope of 7. What is its equation in slope-intercept form?
Click here to see answer by solver91311(24713)

Question 991280: Anya's salary at the end of the year is $26,780. This reflects a 4% salary increase in Febuary and than a 3% cost of living increase in June. What is Anya's salary in the beginning of the year?
Click here to see answer by solver91311(24713)

Question 991317: Thee following equation is a linear equation in two variables: y = −x2 − 3x + 4
Click here to see answer by Fombitz(32388)

Question 991402: If I have 10x-7y=-42 how can I write it in a Slope-Intercept Form ?

Click here to see answer by Alan3354(69443)

Question 991402: If I have 10x-7y=-42 how can I write it in a Slope-Intercept Form ?

Click here to see answer by lwsshak3(11628)

Question 991465: Find the slope of the line through each pair of points
( -1, 17), (-8, 16)
(-2, -20), (-18, -7)
Click here to see answer by stanbon(75887)

Question 991416: A garden in the form of a square is surrounded by a path which is 1m wide on two opposite sides and 0.5m wide on the other two opposite sides. If the area of the path is 17m^2, calculate the
(a) perimeter of the path
(b) area of the space covered by the garden and the path
Click here to see answer by ankor@dixie-net.com(22740)

Question 968994: Problem 13, page 182:

3(2x+6)-5(x+8)=x-22
Click here to see answer by ikleyn(52780)

Question 991542: What is (n+3) (n+8)
Click here to see answer by Cromlix(4381)

Question 991413: If 1/x+1/x+3=1/2
Click here to see answer by Fombitz(32388)

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