Tutors Answer Your Questions about Graphs (FREE)
Question 73572: I just do not know how to do these. Please help?
Write the equation of the line passing through each of the given pairs of points. Write your result in slope-intercept form, where possible.
(-1, 3) and (4, -2)
Click here to see answer by stanbon(75887)  |
Question 73570: I have no clue what this is asking of me. Please help?
Rewrite into Standard Form
Write the equation of the line passing through each of the given points with the indicated slope. Give your results in slope-intercept form, where possible.
(0,5), m=-3/5
Click here to see answer by stanbon(75887) |
Question 73570: I have no clue what this is asking of me. Please help?
Rewrite into Standard Form
Write the equation of the line passing through each of the given points with the indicated slope. Give your results in slope-intercept form, where possible.
(0,5), m=-3/5
Click here to see answer by checkley75(3666) |
Question 73562: I think I may have submitted this one before but I am really having trouble with it still.
Business and finance. The cost of producing a number of items x is given by C = mx + b, in which b is the fixed cost and m is the variable cost (the cost of producing one more item).
(a) If the fixed cost is $40 and the variable cost is $10, write the cost equation.
This is what I came up for this part.
C = 10x + 40
b) Graph the cost equation.
(c) The revenue generated from the sale of x items is given by R = 50x. Graph the revenue equation on the same set of axes as the cost equation.
(d) How many items must be produced for the revenue to equal the cost (the break-even point)?
Click here to see answer by stanbon(75887) |
Question 73499: 3. Write a system of two equations in two unknowns. Solve the system by using the substitution method. « The length of a rectangular field is 12 feet longer than the width. If the perimeter is 144 feet, then what are the length and width ? » Show your work.
Click here to see answer by ankor@dixie-net.com(22740)  |
Question 73659: How do you find the x-intercept of the graph of the equation:
x + 6y = 7
Also how do you find the y-intercept of the graph of the equation:
y - 3x = 4
I tried to do the problem x+6y=7 like this:
x+6y=7
x+6(1)=7(i used 1 as just a filler because thats the only way i knew to answer)
1+6(1)=7
I got this answer wrong on my test and have one more chance to correct it.
Thank you for your help.
Briana
Click here to see answer by lover5gurl3(2) |
Question 73684: Please tell me if i did these right!!
) It is approximately 300 miles from Chicago, Illinois, to St. Louis, Missouri. Allowing for various traffic conditions, a driver can average approximately 60 miles per hour.
a) How far have you traveled after 3 hours?
Answer: 180
Show work in this space: 60*3= 180
b) How far have you traveled after 4 hours?
Answer: 240
Show work in this space: 60* 4= 240
c) How far have you traveled after t hours? i.e. write a linear function that expresses the distance traveled, d, as a function of time, t.
Answer: 60 miles left to go
Distance = rate * distance
D=r(t)
300-240=60
d) How far will you HAVE LEFT to travel to reach St. Louis after you have traveled 3 hours?
Answer: 120 m
Show work in this space: 300 m-180=102m
e) How far will you HAVE LEFT to travel to reach St. Louis after you have traveled 4 hours?
Answer: 60 m
Click here to see answer by bucky(2189) |
Question 73783: Did I do this right? Any assistance would be greatly appreciated:)
) Given a line containing the points (1,3), (2,4), (3,5) determine the slope-intercept form of the equation, give one additional point on this line and graph the function.
Show your work here: y2-y1/x2-x1= -4,-6
Give one additional point in (x,y) form that would fall on this line: 4,6
Click here to see answer by checkley75(3666) |
Question 73866: I sent this one before but I forgot the plus 1. I am such a moron. Please help.
Write the equation of the line L satisfying the given geometric conditions.
L has y-intercept (0, -3) and is parallel to the line with equation y=2/3x+1.
Click here to see answer by rmromero(383) |
Question 74107: The shape of a supporting arch can be modeled by h(x)=-0.03x^2+3x, where h(x) represents the height of the arch and x represents the horizontal distance from one end of the base of the arch in meters. Find the maximum height of the arch.
Any help is greatly appreciated!
Click here to see answer by stanbon(75887) |
Question 74140: Use the Pythagorean theorem to determine the length of each line segment. Where appropriate, round to the nearest hundredth.
The plotted points are at (1, -1) and (3, 2).
I am not understanding this problem and need some help with this. Thanks
Click here to see answer by checkley75(3666) |
Question 73680: I need to know if I have done these right!! Thank you so much!!
) Given a line containing the points (1,3), (2,4), (3,5) determine the slope-intercept form of the equation, give one additional point on this line and graph the function.
Show your work here: y2-y1/x2-x1= -4,-6
Give one additional point in (x,y) form that would fall on this line: 4,6
Click here to see answer by jim_thompson5910(35256) |
Question 73680: I need to know if I have done these right!! Thank you so much!!
) Given a line containing the points (1,3), (2,4), (3,5) determine the slope-intercept form of the equation, give one additional point on this line and graph the function.
Show your work here: y2-y1/x2-x1= -4,-6
Give one additional point in (x,y) form that would fall on this line: 4,6
Click here to see answer by bucky(2189) |
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