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

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Question 438049: SOLVE USING THE ADDITION AND MULTIPLICATION PRINCIPLES.
1+4x<21
Click here to see answer by rfer(12726)

Question 438039: I,m haveing problems solving this compound inequality. Please explaine steps.
5>-4x+4 and 7< or equal to -4x+2. Thank you
Click here to see answer by lwsshak3(6742)

Question 438167: How do you solve the problem 3x-8=y-4
Click here to see answer by richard1234(5390)

Question 438327: Find the wind chill temperture if the actual temperture is -5F and the wind speed is 35 mhp
Click here to see answer by ewatrrr(10682)

Question 438459: Where do the two graphs and intersect?
Click here to see answer by Gogonati(817)

Question 438459: Where do the two graphs and intersect?
Click here to see answer by Alan3354(31487)

Question 438459: Where do the two graphs and intersect?
Click here to see answer by josmiceli(9817)

Question 438521: How do you figure out what the slope is when they give you an equation?
Click here to see answer by scott8148(6628)

Question 438516: you need to choose between two telephone plans for local calls. Plan A charges $25 per month for unlimited calls. Plan B charges a monthlyfee of $13 with a charge of 0.06 per local call. How many local telephone calls in a month make plan A the better deal?
Click here to see answer by ashme(1)

Question 438701: How do you sve a + 7= 5a-9?
Click here to see answer by oberobic(2304)

Question 438753: Find the slope if it exists y = -2.19x. The slope is ? (Type an integar or decimal.)
Click here to see answer by nerdybill(7003)

Question 438875: Determine 3 solutions to this equation: 4x-2y=8 using this t graph.
x|y
---
0|-4
2|0
-1|-6
Click here to see answer by Gogonati(817)

Question 438946: find the slope and y-intercept of the line
3x + 4y = 24
-3x
4y=-3x-24
slope =-3 y intercept =-24 and exsplain
Click here to see answer by ewatrrr(10682)

Question 438897: Customers of a phone company can choose between two service plans for long distance calls. The first plan has a $19 monthly fee and charges an additional $0.13 for each minute of calls. The second plan has a $24 monthly fee and charges an additional $0.08 for each minute of calls. For how many minutes of calls will the costs of the two plans be equa
Click here to see answer by jorel1380(2518)

Question 439025: three ordered paires that satisfy the equation: 2x+y=4 are what?
Click here to see answer by stanbon(57940)

Question 439256: Write the point-slope form of an equation that passes through the given points: (0,5) and (4,0).
A. y-5=5/4x
B. y-5=-5/4x
C. y=-5/4(x-5)
D. y=5/4 (x-5)
Addition details: I've figured out that the slope is 5/4. So I am pretty sure the answer is either A or D. Thank you to whoever can help with this problem!
Click here to see answer by scott8148(6628)

Question 439358: A line passes through (–10, 5) and (–9, 10).
a. Write an equation for the line in point-slope form.
b. Rewrite the equation in standard form using integers.
Plz help me ive been stuck with this problem 4 a long time.

Click here to see answer by stanbon(57940)

Question 439370: Find the slope of the curve f(x) = (4x - 3)(2x^3 +1) at x = 1
Click here to see answer by nerdybill(7003)

Question 439372: Can I get help with the following problem please!!
Find the equation of the tangent line to the curve y = (4x + 1) / (3x - 2) at the point (1, -2). (Write the line in y = mx + b form)

Click here to see answer by stanbon(57940)

Question 439383: Find the point-slope form of the equation of the line passing through the points (–2, 2) and (–4, –8). Can some one help me with this problem plz , i got independent studies & i need to fet 70% or more to succeed to the next test but im only passing up to 67% Help me please.
Click here to see answer by robertb(4012)

Question 439449: determines the cutoff points with the axes of the function y = f (x) =- 2x +3
Click here to see answer by stanbon(57940)

Question 439509: a man when asked how many hens and buffaloes he has, told that his animals have 120 eyes and 180 legs. How many hens and buffaloes has he?
Click here to see answer by rwm(914)

Question 439518: solve by elimination
3x - 6y = 5
3x - 6y = 6
Click here to see answer by rwm(914)

Question 439510: a railway half ticket costs half the full fare and the reservation charge for the distance covered. for a journey of 12km the charge paid is 89 and for a journey of 20km the charge paid is 145. what will a person have to pay for travelling a distance of 30km?
Click here to see answer by rwm(914)

Question 439679: Is y=5x+6 and 18x+y=-54 parallel?
Click here to see answer by asuar010(324)

Question 439791: solve: 2/3x-8=3
Click here to see answer by jorel1380(2518)

Question 439928: How do I solve and graph the following equation?
6x is less than or equal to 36
Thank you.
Tammy
Click here to see answer by MathLover1(6801)

Question 439954: find an equation of the line having the given slope and containing the given point m=-4, (6,8)
the equation of the line is y=
Click here to see answer by rfer(12726)

Question 439981: which is an equation of a line that is parallel to MN?
a: 2x-y=3
b: x-2y=3
c: 8x+4y=4
d: 9x+18y=-9

Click here to see answer by richard1234(5390)

Question 439945: Find the slope, if it exists, of the line containing the pair of points.
(-6,-12) and (-20,-15)
Click here to see answer by richard1234(5390)

Question 439979: find the elimination method
6x-6y=-48
-3x-2y=-11
Click here to see answer by stanbon(57940)

Question 440109: Could someone please explain to how to graph on a number line where x is a real number?
-3 < x ≤ 4
Click here to see answer by stanbon(57940)

Question 440141: what ordered pair falls on a line with the slope 3/4 and a y-intercept of 2?
Click here to see answer by rapaljer(4667)

Question 440226: Find F(2a) if f(x)= x^2-2x+4
Click here to see answer by ewatrrr(10682)

Question 440420: 3+2i
______
4-7i
Click here to see answer by solver91311(17059)

Question 440486: My math homework question is to draw a line through (-2,4) with a slope of -2. Label an intercept. I am not sure if i am doing y=MX+B or y=m(x-x1)+y1 and how do i graph that? thanks
Click here to see answer by Alan3354(31487)

Question 440662: Could you please put these two equations in slope-intercept form?
-3x+y=-12
-6x+2y=-24
Thank You!
Click here to see answer by mananth(12270)

Question 440796: this is a question on my math homework. determine if the following lines are parallel, perpendicular, or neither. explain how your know show any work.
first line
-2x=18-4x i figured the top line out -2y=4x=18 divided all by -2 y=-2x-9 slope is -2.

second line--im stumped on this one.
1y/5-2x/5=1/20

Click here to see answer by Alan3354(31487)

Question 440833: You have a cable plan that costs $39 a month for a basic plan plus one movie channel. Your friend has the same basic plan plus two movie channels for $45.50. What is the basic plan charge That you pay?
Click here to see answer by jorel1380(2518)

Question 440896: Determine the slope and y-intercept of the two graphs: 3x+y =8 and -x+2y=4
Click here to see answer by lwsshak3(6742)

Question 441175: If a line has not y-intercept, what can you say about the line? What if a line has no x-intercept?
Click here to see answer by robertb(4012)

Question 441527: Find the x- and y-intercepts. If no x-intercepts exist, state so.
f(x) = x2 + 16x + 64
Click here to see answer by josmiceli(9817)

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