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

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Question 132675: I have an slope intercept form equation of: y=0.014x-20.60, how would i write this in standard form: Ax+By=C?
Click here to see answer by stanbon(57307)

Question 132695:
I have an equation that is in slope intercept form: y=0.21x-34.75, I want to put this equation into standard form: Ax+By=C how would i do that?
Click here to see answer by checkley71(8403)

Question 132674: I have an equation in slope intercept form: y=0.021x-34.75, how would i write this in the standard form:Ax+By=C?
Click here to see answer by checkley71(8403)

Question 132758: express the following equation in the form Y= mx+b
a. 2y= 6x+8
Click here to see answer by checkley71(8403)

Question 132390: Please, help me to solve this question, it's very urgent:

A new car costs $19,000. 12 years later it is scrap and is worth $1,000. State the equation that represents the cars value (y) after x years.

thanks.
Click here to see answer by scott8148(6628)

Question 132915: Determine teh equation. Write the answer in standard for using only integers as the coefficients.
the line through (-2,0) with slope -3/4
Click here to see answer by stanbon(57307)

Question 132913: determine the slope of the line that goes through each pair
(0,4) and (5,0)
Click here to see answer by stanbon(57307)

Question 132951: Jessica decides to mix grades of gasoline in her truck. She puts in 5 gallons of regular and 7 gallons of premium for a total cost of $29.44. If premium costs $0.16 more than regular, what is the price of each grade of gasoline?
Click here to see answer by ptaylor(2048)

Question 132977: Determine whether the line that passes through the two given points is parallel or perpendicular or neither to a line with a slope of -2
(3,4), (4,2)
Click here to see answer by jim_thompson5910(28593)

Question 132979: find the slope of the line determined by each equation.
3x=4y-2
Click here to see answer by jim_thompson5910(28593)

Question 133142: Find the slope of the line that passes through the points (2, 3) and (5, 8).

Click here to see answer by jim_thompson5910(28593)

Question 133143: Find the equation of the line that passes through the points (3, -2) and (4, -2).

Click here to see answer by jim_thompson5910(28593)

Question 133144: Find the equation, in standard form, with all integer coefficients, of the line perpendicular to x + 3y = 6 and passing through (-3, 5).

Click here to see answer by jim_thompson5910(28593)

Question 133146: Solve the system of equations using the substitution method.
If the answer is a unique solution, present it as an ordered pair: (x, y). If not, specify whether the answer is “no solution” or “infinitely many solutions.”
-3x + y = 1
5x + 2y = -4

Click here to see answer by jim_thompson5910(28593)

Question 133147: Solve the system of equations using the addition (elimination) method.
If the answer is a unique solution, present it as an ordered pair: (x, y). If not, specify whether the answer is “no solution” or “infinitely many solutions.”
-7x + y = 8
2x – y = 2

Click here to see answer by jim_thompson5910(28593)

Question 133203: How do I resolve this equation:
7n+5=10n-10
Click here to see answer by jim_thompson5910(28593)

Question 133205:
how are these resolved
7y+4=-3,
5/2x-1=x+1/4

3(w+3)=2w+3
______
4
Click here to see answer by jim_thompson5910(28593)

Question 133209: I also need help in this one Please, It's very urgent.
Suppose a life insurance policy costs $16 for the first unit of coverage and then $4 for each additional unit of coverage. Let C(x) be the cost for insurance of x units of coverage. What will 10 units of coverage cost?
Thanks
Click here to see answer by Earlsdon(6287)

Question 133226: Please I am in dire need of this answer. it's urgent please.
Suppose a car rental company charges $150 for the first day and $100 for each additional or partial day. Let S(x) represent the cost of renting a car for x days. Find the value of S(5.5).
Happy easter.

Click here to see answer by jim_thompson5910(28593)

Question 133208: Please, I need your help in this math.
Suppose a car rental company charges $150 for the first day and $100 for each additional or partial day. Let S(x) represent the cost of renting a car for x days. Find the value of S(5.5).
Happy easter.
Click here to see answer by oscargut(891)

Question 133256: Could someone please help me with this problem? I'm having a little difficulty with making the table.
Graph the inequality of x+y >8 I know how to plot the points and test for the shading. I'm just having trouble with setting up the x and y table. Please I need help. Thanks, Deb
Click here to see answer by stanbon(57307)

Question 133282: I am trying to find slopes of a line when an equation is in the standard form. I am not sure how to try.
Click here to see answer by jim_thompson5910(28593)

Question 133345: I need to change the equation y=4x-7 into standard form using integers.
Thank you
Click here to see answer by jim_thompson5910(28593)

Question 133366: graphing linear inequalities. -4y > 3x-12. need help figuring this one out please
Click here to see answer by stanbon(57307)

Question 133365: graphing linear inequalities. -4y > 3x-12. need help figuring this one out please
Click here to see answer by stanbon(57307)

Question 133412: Determine the equation of each line. Write the answers in standard form using only integers as the coefficients.
The line through (0,9) that is parallel to the line 3x+5y=15
Click here to see answer by mala0602@yahoo.com(2)

Question 133411: Determine the equation of each line. Write the answers in standard form using only integers as the coefficients.
The line through (0,9) that is parallel to the line 3x+5y=15
Click here to see answer by checkley71(8403)

Question 133430: Solve the system of equations using the addition (elimination) method.
If the answer is a unique solution, present it as an ordered pair: (x, y). If not, specify whether the answer is “no solution” or “infinitely many solutions.”
3x – 2y = -7
-9x + 6y = 21

Click here to see answer by jim_thompson5910(28593)

Question 133492: what is slpoe intercept form mean?
Click here to see answer by vleith(2825)

Question 133546: Find the measure of an angle whose complement is four times its measure. I have no clue how to solve this the example in my book doesn't tell me how to solve this question.
Click here to see answer by edjones(7569)

Question 133558: Graph these equations by hand.
1. y= x-1

2. y= x
Click here to see answer by jim_thompson5910(28593)

Question 133624: Please help me in solving this problem. I got the answer wrong on the most recent test. Give the equation of the line in standard form ax+by=c if you know that (2,-4) and (-2,6) are on the line. I appreciate your help.
Click here to see answer by stanbon(57307)

Question 133625: This question was on my most recent test. I got the question wrong but have the opportunity to correct it for extra credit. What is the slope of 3x-y=6? I need to show the steps involved for full credit. Thanks for your assistance.
Click here to see answer by checkley71(8403)

Question 133662: if 20lb of rice and 10lb of potatoes cost $16.20, and 30lb of rice and 12lb of potatoes cost $23.04, how much will 10lb of rice and 50lb of potatoes cost?
Click here to see answer by stanbon(57307)

Question 133708: The volume of a cone is given V=1/3 pi r square h, where r is the radius of the base, h is the height, and pi =3.14. What is the volume of the cone in terms of b?
Click here to see answer by edjones(7569)

Question 133826: how do you write an equation in point-slope form?

Click here to see answer by samantha_ann07(1)

Question 133863: Find the y-intercept for
y=2x-4
Click here to see answer by ptaylor(2048)

Question 133953: How can you determine if two lines are perpendicular?
Click here to see answer by jojo14344(1512)

Question 133953: How can you determine if two lines are perpendicular?
Click here to see answer by solver91311(16877)

Question 133967: solve the following by any method
y=2x+4
8x-4y=7
solve by any method
8x-4y=16
2x-4=y
Click here to see answer by elima(1433)

Question 133933: Graph each equation by plotting ordered pairs.
y=1/2x - 6
Click here to see answer by vleith(2825)

Question 133866: i am trying to figure out y-intercept.
can you help me find the y-intercept of this problem.?
4x=y+2

Click here to see answer by 0813003(1)

Question 134082: Find the slope and the y-intercept.
y=7x-9
Click here to see answer by mathispowerful(115)

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