Tutors Answer Your Questions about Graphs (FREE)
Question 939114: 5.7 quiz
3.) Find an equation of the line that passes through the two given points. Write the equation in slope-intercept form, if possible.
x | y
-4| 2
4| 0
8.) There is a linear relationship between a woman's height and the length of her radius bone. It can be stated this way: Height increases by 3.9 inches for each 1-inch increase in the length of the radius. Suppose a 62-inch-tall woman has a 10-inch-long radius bone. Use this information to write a linear equation that relates height h to the length r of the radius. Write the equation in slope-intercept form.
9.) Three months after cleanup began at a dump site, 880 cubic yards of toxic waste had yet to be removed. Two months later, that number had been lowered to 800 cubic yards.
(a) Find an equation that describes the linear relationship between the length of time m (in months) the cleanup crew has been working and the number of cubic yards y of toxic waste remaining. Write the equation in slope-intercept form.
(b) Use your answer to part (a) to predict the number of cubic yards of waste that will still be on the site one year after the cleanup project began.
Click here to see answer by josgarithmetic(39617) |
Question 939061: 5.7 quiz
3.) Find an equation of the line that passes through the two given points. Write the equation in slope-intercept form, if possible
x | y
-4| 2
4| 0
8.) There is a linear relationship between a woman's height and the length of her radius bone. It can be stated this way: Height increases by 3.9 inches for each 1-inch increase in the length of the radius. Suppose a 62-inch-tall woman has a 10-inch-long radius bone. Use this information to write a linear equation that relates height h to the length r of the radius. Write the equation in slope-intercept form.
9.) Three months after cleanup began at a dump site, 880 cubic yards of toxic waste had yet to be removed. Two months later, that number had been lowered to 800 cubic yards.
(a) Find an equation that describes the linear relationship between the length of time m (in months) the cleanup crew has been working and the number of cubic yards y of toxic waste remaining. Write the equation in slope-intercept form.
(b) Use your answer to part (a) to predict the number of cubic yards of waste that will still be on the site one year after the cleanup project began.
Click here to see answer by stanbon(75887) |
Question 939207: Examine the graph and consider trips more than 7,000 miles by a Boeing 777. Use a rate of change to estimate how the maximum payload decreases as the distance traveled increases.
http://www.webassign.net/tgintroalgp4/3-4-078.gif
Click here to see answer by TimothyLamb(4379)  |
Question 939212: There is a linear relationship between a woman's height and the length of her radius bone. It can be stated this way: Height increases by 3.9 inches for each 1-inch increase in the length of the radius. Suppose a 62-inch-tall woman has a 10-inch-long radius bone. Use this information to write a linear equation that relates height h to the length r of the radius. Write the equation in slope-intercept form.
Click here to see answer by TimothyLamb(4379)  |
Question 939285: A gardener needs 6 bushels of a potting medium of 40% peat moss and 60% vermiculite. He decides to add 100% vermiculite to his current potting medium that is 50% peat moss and 50% vermiculite. The gardener has 5 bushels of the 50% peat moss and 50% vermiculite moss mix. Does he have enough of the 50% peat moss and 50% vermiculite mix to make 6 bushels of the 40% peat moss and 60% vermiculite mix? Explain.
P.S. I am not good at English so it would help me a lot if you can answer this. Thank you.
Click here to see answer by ankor@dixie-net.com(22740)  |
Question 939504: Which of the following statements best describes the graph of 3x - 2y = 4?
It is a straight line joining the points (6, 2), (5, 1), and (7, 3). It is a straight line joining the points (0, -2), (2, 1), and (-2, -5). It is a curve joining the points (3, -2), (2, 3), and (4, 1). It is a curve joining the points (0, 2), (-2, -1), and (4, 1).
Click here to see answer by josgarithmetic(39617) |
Question 939401: Select two variables, set up two equations and solve the problem below. The sum of two integers is 45. The larger is 3 less than three times the smaller. Find the two integers.
How do I find and work this problem please give details each step so I can work and understand how it's done. Thank you
Click here to see answer by lwsshak3(11628) |
Question 939596: For the points given below, determine the slope of the line passing through the two points. Show all work, detailing each step, to ensure that I am able to follow your work.
( -4, 6) and (4, -10)
The last one that gave opinion made no sense please someone tell what I'm to do thank you
Click here to see answer by Alan3354(69443)  |
Question 941628: In 1995, there were 33.8 million cellular subscribers in the US. In 1999 there were 86 million.
a. Let x=5 represent 1995 and e=9 represent 1999. Find the average rate of change in the number of subscribers in the US.
b. Write a linear function that models the number of cellular subscribers in the US
c. Interpret the average rate of change and the y-intercept using a complete sentence and be specific to this problem.
d. According to the calculations, how many cellular subscribers will there be in 2012?
e. Is this a good estimation? Why or why not?
Click here to see answer by TimothyLamb(4379)  |
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