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

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Question 186270: can you help me solve this equation(((
Click here to see answer by Alan3354(30993)

Question 186328: media services charges $30 for a phone and $20/month for its economy plan.the equation c=20t+30 describes the total cost,c, of operating a meia service phone for t months.
The total cost of service is ?
If a customer has only $80 available how many months of service can she recieve?
A.3
B.2 1/3
C.2
D. 2 1/2
Click here to see answer by nerdybill(6962)

Question 186359: Can someone please help me to graph the following problems?
3x-5y=-9
5x-6y=-8
4x+5y=-2
4y-x=11
Thanks so much for the help.
Click here to see answer by checkley77(12569)

Question 186346: how to graph F(x)=2x+1
F=4
Click here to see answer by checkley77(12569)

Question 186362: Sove each system by substitution method. I do not understand this at all, can someone help with explanations, Thanks.
x+3y=2
-x+y=1
Click here to see answer by checkley77(12569)

Question 186344: soybean meal is 18% protien; cornmeal is 9% protien. How many pounds of each should be mixed together in order to get 390-lb mixture that is 11% protien?
how many pounds of the cornmeal should be in the mixtue?
how many pounds of the soybean meal should be in the mixture?

Click here to see answer by checkley77(12569)

Question 186447: translate to an algebric expression.
the product of 48% and some number.
the translation is?
(type the percentage as a decimal. use q to represent some number.)
Click here to see answer by stanbon(57387)

Question 186494: y=2x-3/3x+5
solve for x
Can you please show me the steps to work this problem?
Thank you
Click here to see answer by jim_thompson5910(28598)

Question 186506: will you help me determine the value if g(x)= 2x2 (the last 2 is an exponent)
1) g1/2

Click here to see answer by stanbon(57387)

Question 186445: the lenght of a rectangle is fixed at 20 cm. what widths will make the perimeter greater than 86 cm?
the width must be greater than ? cm
Click here to see answer by jojo14344(1512)

Question 186521: Please help me with this problem tonight please.
8x-y+z=-4
3x+2y-3z=9
x-3y+2z=-11
Pu in simpliest form
Click here to see answer by dukesmart(20)

Question 186563: Find 4 consecutive even integers so sum of the 3 is 2 more than twice the 4th.
Please show detailed formula to solve this.
Click here to see answer by stanbon(57387)

Question 186571: Plot the graph of the equations 4x - 6y = 12 and x - 5y = 10 and intercept the result.
Plot the graph of the equations 8x - 4y = 12 and -4x + 2y = -6 and intercept the result
Click here to see answer by solver91311(16897)

Question 186585: Please help solve 3/a^2+a*2a+2/6=
Click here to see answer by jim_thompson5910(28598)

Question 186587: Help Please !!. w^2-1/(w-1)*w-1/w^2+2w+1=
Click here to see answer by jim_thompson5910(28598)

Question 186587: Help Please !!. w^2-1/(w-1)*w-1/w^2+2w+1=
Click here to see answer by stanbon(57387)

Question 186586: Need help and show work "please" -2a^2/3a^2*20a/15a^3=
Click here to see answer by stanbon(57387)

Question 186366: Solve each system by addition method. Determine whether the equations are independent, dependent or inconsistent.
x-y=3
-6+6y=17
Click here to see answer by feliz1965(151)

Question 186444: media services charges $30 for a phone and $20/month for its economy plan.the equation c=20t+30 describes the total cost,c, of operating a meia service phone for t months.
The total cost of service for 10 months is ?
If a customer has only $80 available how many months of service can she recieve?
A.3
B.2 1/3
C.2
D. 2 1/2''.

Click here to see answer by jojo14344(1512)

Question 186637: I have 28 coins in my pocket, they are all either nickels and dimes. There are eight more nickels than dimes. The value of these coins is 1.90. How many nickels? How many answers should I have?Define my variable, define in terms? Translate this information into an equation? Thank You guys you all are life savers in my class.
Click here to see answer by nerdybill(6962)

Question 186772: Find the equation of the line parallel to the line y=-1 and passing through the midpoint of the segment joining (-5,7) and (-6,9).
Y=
Please Help!
Steps will be appreciated :-)
Click here to see answer by user_dude2008(1861)

Question 186838: Twice the difference of a number and three is greater than or equal to the number increased by five. Find the solution.
Click here to see answer by jim_thompson5910(28598)

Question 186840: The length of a rectangle is 3 more than twice the width. If the perimeter is to be at least 51 meters, what are the possible values for the width? (If the perimeter is at least 51 meteres, than it is greater than or equal to 51 meters.)
Click here to see answer by uday1435(57)

Question 186846: the product of a number and three results in 27
Click here to see answer by user_dude2008(1861)

Question 186845: When Kate excersices, she either swims or runs. She wants to spend a minimum of 8 hours a week exercising, and she wants to swim 3 times the amount she runs. What is the minimum amount of time she must spend doing each exercise?
Click here to see answer by user_dude2008(1861)

Question 186844: The numerical values of the three sides of a triangle are given by three consecutive odd integers. If the perimeter is greater than 27 inches. What are the possiblities for the shortest side?
Click here to see answer by user_dude2008(1861)

Question 186832: I still need some help graphing
4x + 5y = -2
4y - x = 11
THANKS SO MUCH.
Click here to see answer by jojo14344(1512)

Question 186801: Answer as true or false.
Given the system
5x-4y=1
7x-2y=5
a. To eliminate the y-variable using the addition method, multiply the second equation by 2.
b. To eliminate the x-variable, multiply the first equation by 7 and the second equation by -5.
Click here to see answer by jojo14344(1512)

Question 186803: 5m-2n=4
3m+n=9
solve the systems using the addition method.
Click here to see answer by checkley77(12569)

Question 186881: please help me solve this problem. solving for s. P=5s-(100+2s)
Click here to see answer by checkley77(12569)

Question 186940: Write an equation for the line containing points D and E
D(-3, 6), E(-1,0)
Click here to see answer by jim_thompson5910(28598)

Question 187095: I need help with finding the slope because in math class today my teacher went over it and about rise and run, but i mostly forgot!!!!! Please help me!!!! some examples are { Find the slope of the line that passess through each pair of points. A(-10,6), B(-5,8). I think tha i'm sussposed to put it into a fraction... but im not sure?!?!?!?!? If you understand what is Private tutoring??
Thank you soooooooooo much
Liz
{P.S. i'm a 6th grader}
Click here to see answer by Alan3354(30993)

Question 187097: Determine f(x) if f(x+2) – f(x-3)=20 and the point (-2, 6) lies on the line
Click here to see answer by solver91311(16897)

Question 187114: confused on what to do with fractions please help in detail write an equatuin of line through (1,-5) and parallel to y=5/6x+ put in slope intercept form thank you!
Click here to see answer by solver91311(16897)

Question 187117: please in detail show me how to work problem slope(5/2) (4,-2) (6,3) write equation in slope intercept form thank you!

Click here to see answer by stanbon(57387)

Question 187111: please show
me in detail what to do with fractions when dealing with linear equations write the equation of the line through(-3,4) AND (6,1) IN SLOPE INTERCEPT FORM THANK YOU!
Click here to see answer by solver91311(16897)

Question 187116: please help with understanding fraction part of question...make an equation....(-3,4) (6,1) with slope of 1/3
Click here to see answer by stanbon(57387)

Question 187115: please help with understanding fraction part of question...make an equation....(-3,4) (6,1) with slope of 1/3
Click here to see answer by checkley77(12569)

Question 186893: When Kate exercises, she either swims or runs. She wants to spend a minimum of 8 hours a week exercising, and she wants to swim 3 times the amount she runs. What is the minimum amount of time she must spend doing each exercise?
Click here to see answer by jojo14344(1512)

Question 187137: The length of a rectangle is 2 cm more than four times the width. If the perimeter of the rectangle is 34 cm, what are its dimensions?
Click here to see answer by user_dude2008(1861)

Question 187268: Please help me solve: Is a linear equation?

thank you!
Click here to see answer by Alan3354(30993)

Question 187269: can you help solve this problem:
Solve the linear systems of equations using the elimination or addition/multiplication method
9a+2b=10
9a-2b=8

Click here to see answer by checkley77(12569)

Question 187289: (-2,0) (4,0) what is the slope?
Click here to see answer by uday1435(57)

Question 187289: (-2,0) (4,0) what is the slope?
Click here to see answer by solver91311(16897)

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