Tutors Answer Your Questions about Graphs (FREE)
Question 708025: a traveler is walking on a moving walkway in an airport. the traveler must walk back on the walkway to get a bag he forgot. the traveler's ground speed is 2 feet per second against the walkway and 6 feet per second whith the walkway. what is the traveler's speed off the walkway? what is the speed of the moving walkway.
if you showed the work it would be very appreciated
thanks :)
Click here to see answer by ankor@dixie-net.com(22740)   |
Question 709494: How do you do this problem?? I'm so lost! I don't even know where to begin. Thanks in advance..
The viscosity (resistance to flow) of normal motor oil decreases as its temperature increases. "All weather" motor oils retain roughly the same viscosity over a range of temps. Suppose that the viscosity of low-40 is given by M= - 4T^3 + 15T^2 - 12T + 185 for 0 ≤ T ≤ 3.
M=viscosity in centipoise (cP)
T= Temp in hundreds of degrees
A. Find the minimum and maximum viscosity in the domain and the temperature at which they occur.
B. Show that the function has 1 real zero, but not in the given domain.
C. By synthetic substitution, factor the cubic expression into a linear times a quadratic. Show that the quad has no real zeros. How does this fact agree with the graph of this problem?
Click here to see answer by josh_jordan(263)  |
Question 709995: Okay, so I am having some difficulty with inequalities. One equation I need help with is 9 + k/-15 = 11 if I did the calculations correctly than I got k= -1485. I need help graphing that. If you could help me that would be awesome. Thank you.
Click here to see answer by jim_thompson5910(35256) |
Question 710958: Hi I am trying to understand how to graph y>3x. I am trying to graph inequalities in two variables and was sick from school today and only need help in 2 or 3 problems so I can do the rest on my own. If you could help me it would be greatly appreciated and thank you very much.
Click here to see answer by Edwin McCravy(20055)  |
Question 710958: Hi I am trying to understand how to graph y>3x. I am trying to graph inequalities in two variables and was sick from school today and only need help in 2 or 3 problems so I can do the rest on my own. If you could help me it would be greatly appreciated and thank you very much.
Click here to see answer by josmiceli(19441)  |
Question 711165: Hello,
I need to see how to solve the following problem. i have several of these I need to complete and the solution to this would help me greatly!
Locate the stationary point(s) on the following curve and determine whether it is (they are) a minimum or maximum point(s):
y = 3x^2 – 6x.
Many thanks in advance.
Mike
Click here to see answer by tutor_paul(519)  |
Question 711748:
Parking in a student lot cost $2 for the first half hour and $1.25 for each hour thereafter. A partial hour is considered the same as a full hour. What is the longest time that a student can park in this lot for $10?
The longest time is?
Click here to see answer by checkley79(3341) |
Question 712284: I am not sure if I am in the right place, but I need help my problem is:
Test the equation for symmetry with respect to the x-axis, the y-axis, and the orgin
x^2+xy^2+2y=1
Is it:
A. Symmetric with respect to the x-axis
B. Symmetric with respect to the y-axis
C. Symmetric with respect to the orgin
D. Symmetric with respect to the x-axis, the y-axis, and the origin.
Thank you for any help you can give me.
Click here to see answer by jim_thompson5910(35256) |
Question 712126: hi im having a real big problem today. I havent been doing the best in math.i had 2 d's and then i finally got it up to a c put it went back down so can you please tell me how to the slope and y intercept slope of -6 and goes through the point (5, 12)
(7, 3) and (5, 4)
Click here to see answer by ankor@dixie-net.com(22740) |
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