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

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Question 267192: The Directions Say "Solve The Following System Of Equations."
And The Problem Is.....
4x+6y=9
10x-18y=-5
Click here to see answer by checkley77(12844)

Question 258230: our class planned a holiday party for disadvantaged kids. Some of us baked cookies for the party. On the day of the party,we found we could divide the cookies into packets of two,three,four,five,or,six and have just one cookie left over in each case. If we divided them into packets of seven, there would be no cookies left over. What is the the least number of cookies the class could have baked?
Click here to see answer by rdmzakk(1)

Question 267252: ok i have to wtire these in point slope equations but im supposed to do the whole x2-x1 and y1-y2 and i been doing it bt something isnt right?(5,3) and (4,-6) and i got y-6=-(x=4) and y-3=-(x+5) what am i doing wrong
Click here to see answer by solver91311(24713)

Question 267259: Suppose a ball thrown into the air has its height (in feet) given by the function
h(t) = 6 + 96t - 16t 2
Where t is the number of seconds after the ball is thrown.
1) Find h(1) and explain what it means.
2) Find the height of the ball 3 seconds after it is thrown.
3) Test other values of h(t) to decide if the ball eventually falls. When does the ball stop climbing?
Any help would help.....
Click here to see answer by solver91311(24713)

Question 267334: I need to find the equation of the line with the slope 4 and passing through (-2,7). Can you help me?
Click here to see answer by Alan3354(69443)

Question 267334: I need to find the equation of the line with the slope 4 and passing through (-2,7). Can you help me?
Click here to see answer by josmiceli(19441)

Question 267328: Find an equation for the line with given properties parallel to the line y=2x containing the point 2,8
Click here to see answer by Alan3354(69443)

Question 267344: Write 3x-y+9=0 in slope intercept form.
Click here to see answer by checkley77(12844)

Question 267326: Find an equation for the line with given properties parallel to the line 2x-y=7 containing the point 0,0
Click here to see answer by checkley77(12844)

Question 267286: y=1/2x+3
slope intercept form
Click here to see answer by checkley77(12844)

Question 267286: y=1/2x+3
slope intercept form
Click here to see answer by Alan3354(69443)

Question 267445: x+y+2z=0
1\4x-1/4y+1/8z=1
3/2x+y+1/2z=1
Click here to see answer by tony189(1)

Question 267501: Can you please explain how you find the rise, run and slope. I have to write the equation of each line in the standard form Ax+By=C, A>0.
Click here to see answer by drk(1908)

Question 267640: can you help me solve this problem:
directions are: solve each system by elimination.
-4x-2y=18
-6x-2y=22
jnh_rayven@yahoo.com-a concerned parent
Click here to see answer by checkley77(12844)

Question 267601: one gallon of liquid occupies 231 cubic inches. Write a rule that expresses the number of gallons g(c) as a function of the number of cubic inches c.
Click here to see answer by ankor@dixie-net.com(22740)

Question 267602: two numbers with a sum of -4 and a difference of 10
Click here to see answer by checkley77(12844)

Question 267600: 6x+2y=12
y=3x
Click here to see answer by checkley77(12844)

Question 267783: I need to know what point lies on the line defined by the equation 4x-3y=9.
I tried substituting 0 for X and using -3 as my Y-intercept and my coordinate became (o,3) but apparently that was wrong. So my only other choices are (3,7), (2,-1/3), or (2,17/3). I cannot figure out how to get any of those solutions. Can you help?
Click here to see answer by solver91311(24713)

Question 267781: I'm having trouble solving:
3xsquared times 6x = 2xsquared - 8
could you help?
Click here to see answer by Alan3354(69443)

Question 267792: Determine the linear function whose graph is a line with a slope of 3/10 and contains the point (-1, 4).
f(x) =
Click here to see answer by solver91311(24713)

Question 267835: Elevation 27600 feet at 7 am, person reached summit elevation 29028 at 1:25 pm.
Assuming the rate of ascent to be a linear function,
a)Find rate of ascent in feet per minute
Click here to see answer by stanbon(75887)

Question 267795: The cost for burning a 75 watt bulb is given by the function c(h), where h represents the number of hours that the bulb burns.
(a) How much does it cost to burn a 75 watt bulb for 3 hours per night for a 28 day month? Express your answer to the nearest cent.
$
(b) Graph the function c(h) = 0.0055h. (Do this on paper. Your instructor may ask you to turn in this graph.)
(c) Use the graph in part (b) to approximate the cost of burning a 75 watt bulb for 295 hours. (Express your answer to the nearest tenth of dollar.)
$
(d) Use c(h) = 0.0055h to find the exact cost, to the nearest cent, of burning a 75 watt bulb for 295 hours.
$

Click here to see answer by stanbon(75887)

Question 267973: Write an equation of the line that passes through the point and has the given slope.Write the equation in slope-intercept form.
Click here to see answer by Alan3354(69443)

Question 267902: I'm hopeless !
In a triangle, the largest angle is 100 degrees greater than the smallest angle. The largest angle is three times as large as the third angle. What is the measure of each angle?
Click here to see answer by ankor@dixie-net.com(22740)

Question 268049: 1. Read the examples in the lesson and work them out on paper. Pay particular attention to the steps and the corresponding algebraic properties.
2. Work the following problems in a Word document. Be sure to show each step for solving the equations. Showing the work is required for this assignment. Please work hard to understand each problem and contact your instructor if you are having trouble with the material. Save your work and submit it to the Dropbox �Project 01.08.�
5x + 1 = 21
2x = 5x -12
4 - (2x - 9)= -19
-3(2x + 1) = 2(x - 2)
-6x + 3 - 2x = 3 - 8x

Click here to see answer by jim_thompson5910(35256)

Question 268058: solving the linear equation for 5x+4y=5 Y=
Click here to see answer by jim_thompson5910(35256)

Question 268181: what is a symentry line how many lines of semetry does a rhombas have and isosceles triangle have
Click here to see answer by richwmiller(17219)

Question 268309: Write the equation in function form: 7x-y=0
Click here to see answer by rfer(16322)

Question 268400: The conversion for Celsius to Fahrenheit temperatures is F=9/5C+32. Rewrite the formula so that C is given in terms of F. Then find the Celsius temperature when the Fahrenheit temperature is 81 degrees.
Click here to see answer by CharlesG2(834)

Question 268582: Solve graphically.
y=-1/3x-1
4x-3y=18
I feel dumb because I know once you show me how to do this I will go AHHH that's how but for the life of me I cannot figure this out. Please help.
Thanks
Click here to see answer by checkley77(12844)

Question 268560: solve the following systems by substitution.
1. 2x+4y=10
y=3x-1
Click here to see answer by checkley77(12844)

Question 268551: find the equation of a line with slope 1/2 and passing through the point (-4,3)

Click here to see answer by checkley77(12844)

Question 268608: How do I solve and graph this problem?
Also, is there no solution or infinitely many solutions?
y=x-3
y=1/7x+3
Click here to see answer by stanbon(75887)

Question 268601: slope of the equation of a line
x-6y=1
Click here to see answer by nerdybill(7384)

Question 268620: the equation is 3x+6y=-6, state the slope and the y-intercepet for the graph of the equation
Click here to see answer by nerdybill(7384)

Question 268623: solution of y=6x+1 for x=5

Click here to see answer by checkley77(12844)

Question 268647: solve equation for y then graph equation
2x+y=-3
Click here to see answer by user_dude2008(1862)

Question 268646: y=4x-5 graph linear equation
Click here to see answer by user_dude2008(1862)

Question 268627: y=4x-5 graph this linear equation, i dont understand how to do this
Click here to see answer by jim_thompson5910(35256)

Question 268663: write the slope-intercept form of the equation of the line through the given point with the given slope:
through: (-3,0), slope= 2
Click here to see answer by palanisamy(496)

Question 268671: y = x - 5
Find x and y intercept.
x and y = 0
Click here to see answer by drk(1908)

Question 268673: 3x - 2y = 12
Find x and y intercept.
x and y = 0.
Click here to see answer by drk(1908)

Question 268684: graph y=3x+4
Click here to see answer by Alan3354(69443)

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