Questions on Algebra: Graphs, graphing equations and inequalities answered by real tutors!

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Question 654450: ANSWER THE QUESTION. SHOW ENOUGH WORK TO JUSTIFY YOUR SOLUTION. SOLVE THE INEQUALITY.WRITE THE SOLUTION SET IN INTERVAL NOTATION
20-(3x-5)<5(x-3)+2x
Click here to see answer by lynnlo(4176)

Question 654967: How do you solve 4x+2y=24 and y=-x+7 using substitution?

Click here to see answer by checkley79(3341)

Question 655058: 20-(3x+5)<5(x-3)+2x
solve and put into interval notation
Click here to see answer by DrBeeee(684)

Question 654704: how do i suppose to do problems like 2m+1 less than 13
Click here to see answer by jim_thompson5910(35256)

Question 654768: what is the graph for x+2 if x < 0
Click here to see answer by jim_thompson5910(35256)

Question 655326: In Graphing of Linear Equation in 2 Variables by Intercept Method
2x - 3y = 6
if the x is: 0
what is the y?
if the y is: 0
what is the x?

Click here to see answer by ewatrrr(24785)

Question 655473: At a concessions stand, three hot dogs and four hamburgers cost 13.25; four hot dogs and three hamburgers cost 13.00. Find the cost of one hot dog and the cost of one hamburger.
Click here to see answer by lynnlo(4176)

Question 655938: Draw graph for y= -1/2x+4
Click here to see answer by Alan3354(69443)

Question 655963: what is the equation of a line passing through (-2, -1) and (6, 3)?
Click here to see answer by MathLover1(20849)

Question 655991: 3 divided by x - 1= 8

Click here to see answer by rfer(16322)

Question 656083: What is the interval notation and graph inequality of -8t > 24?

Click here to see answer by lwsshak3(11628)

Question 656155: 3y - 12x = 18
Click here to see answer by MathLover1(20849)

Question 656321: What is the solution set of {x | x < -3} ∩ {x | x > 5}?

all numbers except -3 and 5
the numbers between -3 and 5
the empty set
all real numbers
Click here to see answer by MathLover1(20849)

Question 656379: Describe the symmetry of the function y = -2x^5.
Thank you,
Dawn
Click here to see answer by rfer(16322)

Question 656761: If x = 3 and y = -1, then 3x2 + 2xy � 5 = ?"
Click here to see answer by rfer(16322)

Question 656761: If x = 3 and y = -1, then 3x2 + 2xy � 5 = ?"
Click here to see answer by MathLover1(20849)

Question 656849: Find f+g, f-g, fg, f/g. Determine the domain for each function.
f(x)=sqrt(x)
g(x)= x-6
Click here to see answer by stanbon(75887)

Question 657288: Construct a scatterplot for the (x,Y) values below, and answer the following questions. However, you DO NOT need to submit your scatterplot with your answer; however, SHOW all YOUR WORK.
X.....Y
1 ... 1.25
2 ... 2.5
3 ... 3.75
4 ... 5.0
5 ... 6.25
a) What would be the SLOPE of this regression line?
b) Would the correlation between x and y be positive or negative?
c) How would you interpret these data in terms of linear regression?
Click here to see answer by stanbon(75887)

Question 657656: My problem is y = -2x. Trying to find the point of each to graph besides the origin of(0,0).
y = 0
0 = -2x add 2 to each side gives y = 2
so my Y axis is (0,2)
x = 0
y= -2(0)
y= 0
This is where I get confused....

Click here to see answer by solver91311(24713)

Question 657547: How would I graph the system of inequalities y<2x-1
x+y>=2
Click here to see answer by KMST(5328)

Question 657756: What is the graph of this absolute value inequality?
y<|4-x|
Click here to see answer by Edwin McCravy(20054)

Question 657998: two more than 6 times a number is less than 11
Click here to see answer by ewatrrr(24785)

Question 658067: draw the graph of the relation defined by y= 3x -2
Click here to see answer by colliefan(242)

Question 658422: find the equation for the line that passes through the points (-2,4) and that is perpendicular to the line with the equation y+5=-1/3(x-2)
Click here to see answer by stanbon(75887)

Question 658704: can someone please help me solve this problem y=x+4;(-7,1)
Click here to see answer by stanbon(75887)

Question 658858: I need HELP badly.
The diameters of grapefruits in Jones Orchard are NORMALLY distributed with a Mean of 6.70 inches and a Standard deviation of 0.60 inches.
How is this done, show your steps for full credit!
(A) What percentage of granpefruits in Jones Orchard have diameters less than 7.4 inches?
(B) What percentage of grapefruits in Jones Orchard are larger than 7.15?
Click here to see answer by ewatrrr(24785)

Question 658778: Rate 1 $42 plus $.12 mile
Rate 2 $84 plus .06 mile
How many miles must one drive to pay less than Rate 2

how do I work this problem
Click here to see answer by Theo(13342)

Question 658990: In a certain year, the amount A of garbage in pounds produced after t days by a average person is given by A=1.5t
graph the equation t>0

Click here to see answer by jim_thompson5910(35256)

Question 659252: solve equation p=2L + 2W for W
Click here to see answer by MathLover1(20849)

Question 659250: you started on a bike trip, riding at a rate of 9 miles per hour. your friend left one hour later and rode at rate of 12 miles per hour. how long did it take your friend to catch up with you? your distance = your friend's distance. solve for t. t= your time in hours. t+1= friend time in hours
Click here to see answer by josmiceli(19441)

Question 659301: How would you graph -3x=5y?
Click here to see answer by ewatrrr(24785)

Question 659319: Use the elimination method to solve the system of equations.
a+7b=15
a+4b=6
These are the chooses of answers.
A. There is one solution, it is____.
B. There are infinitely many solutions.
C. There is no solutions.
Click here to see answer by jim_thompson5910(35256)

Question 659369: If y=4 how do I graph this and find what my slope is?
Click here to see answer by jim_thompson5910(35256)

Question 659456: what is the answer to -5[4-(-3)(2)]
Click here to see answer by jim_thompson5910(35256)

Question 659880: Y<2x
Click here to see answer by MathLover1(20849)

Question 659880: Y<2x
Click here to see answer by lynnlo(4176)

Question 659883: How to Graph: y = 3x + 2?
Click here to see answer by MathLover1(20849)

Question 659927: I need HELP: Given a binomial distribution with n=20 and p=0.76, would the normal distribution provide a reasonable approximation? Why or Why Not?
========================================================================
Now is this the type of problem where the n represents the number of tries?
like this
n=20 tries
p=0.76 success rate
or something like that? Please help me.......
Click here to see answer by Edwin McCravy(20054)

Question 660041: How do I solve the equation: 9-5j
Click here to see answer by math-vortex(648)

Question 660158: 2(3n+7)>5n
Click here to see answer by ReadingBoosters(3246)

Question 660185: Graph y=3x+5
Click here to see answer by jim_thompson5910(35256)

Question 660771: how do you do the linear equation y=4-x?????????

Click here to see answer by jim_thompson5910(35256)

Question 660771: how do you do the linear equation y=4-x?????????

Click here to see answer by MathLover1(20849)

Question 660783: Find the slope and y-intercept for the equation
x+15y=1
Click here to see answer by jim_thompson5910(35256)

Question 660798: I need help with this problem:
Find the difference quotient for the function
I know that the formula for the difference quotient is f(x+h)- f(x)/ h
I just don't know how to plug in and solve. I'd really appreciate it if someone could help me.
Thank you

Click here to see answer by jim_thompson5910(35256)

Older solutions: 1..45, 46..90, 91..135, 136..180, 181..225, 226..270, 271..315, 316..360, 361..405, 406..450, 451..495, 496..540, 541..585, 586..630, 631..675, 676..720, 721..765, 766..810, 811..855, 856..900, 901..945, 946..990, 991..1035, 1036..1080, 1081..1125, 1126..1170, 1171..1215, 1216..1260, 1261..1305, 1306..1350, 1351..1395, 1396..1440, 1441..1485, 1486..1530, 1531..1575, 1576..1620, 1621..1665, 1666..1710, 1711..1755, 1756..1800, 1801..1845, 1846..1890, 1891..1935, 1936..1980, 1981..2025, 2026..2070, 2071..2115, 2116..2160, 2161..2205, 2206..2250, 2251..2295, 2296..2340, 2341..2385, 2386..2430, 2431..2475, 2476..2520, 2521..2565, 2566..2610, 2611..2655, 2656..2700, 2701..2745, 2746..2790, 2791..2835, 2836..2880, 2881..2925, 2926..2970, 2971..3015, 3016..3060, 3061..3105, 3106..3150, 3151..3195, 3196..3240, 3241..3285, 3286..3330, 3331..3375, 3376..3420, 3421..3465, 3466..3510, 3511..3555, 3556..3600, 3601..3645, 3646..3690, 3691..3735, 3736..3780, 3781..3825, 3826..3870, 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7606..7650, 7651..7695, 7696..7740, 7741..7785, 7786..7830, 7831..7875, 7876..7920, 7921..7965, 7966..8010, 8011..8055, 8056..8100, 8101..8145, 8146..8190, 8191..8235, 8236..8280, 8281..8325, 8326..8370, 8371..8415, 8416..8460, 8461..8505, 8506..8550, 8551..8595, 8596..8640, 8641..8685, 8686..8730, 8731..8775, 8776..8820, 8821..8865, 8866..8910, 8911..8955, 8956..9000, 9001..9045, 9046..9090, 9091..9135, 9136..9180, 9181..9225, 9226..9270, 9271..9315, 9316..9360, 9361..9405, 9406..9450, 9451..9495, 9496..9540, 9541..9585, 9586..9630, 9631..9675, 9676..9720, 9721..9765, 9766..9810, 9811..9855, 9856..9900, 9901..9945, 9946..9990, 9991..10035, 10036..10080, 10081..10125, 10126..10170, 10171..10215, 10216..10260, 10261..10305, 10306..10350, 10351..10395, 10396..10440, 10441..10485, 10486..10530, 10531..10575, 10576..10620, 10621..10665, 10666..10710, 10711..10755, 10756..10800, 10801..10845, 10846..10890, 10891..10935, 10936..10980, 10981..11025, 11026..11070, 11071..11115, 11116..11160, 11161..11205, 11206..11250, 11251..11295, 11296..11340, 11341..11385, 11386..11430, 11431..11475, 11476..11520, 11521..11565, 11566..11610, 11611..11655, 11656..11700, 11701..11745, 11746..11790, 11791..11835, 11836..11880, 11881..11925, 11926..11970, 11971..12015, 12016..12060, 12061..12105, 12106..12150, 12151..12195, 12196..12240, 12241..12285, 12286..12330, 12331..12375, 12376..12420, 12421..12465, 12466..12510, 12511..12555, 12556..12600, 12601..12645, 12646..12690, 12691..12735, 12736..12780, 12781..12825, 12826..12870, 12871..12915, 12916..12960, 12961..13005, 13006..13050, 13051..13095, 13096..13140, 13141..13185, 13186..13230, 13231..13275, 13276..13320, 13321..13365, 13366..13410, 13411..13455, 13456..13500, 13501..13545, 13546..13590, 13591..13635, 13636..13680, 13681..13725, 13726..13770, 13771..13815, 13816..13860, 13861..13905, 13906..13950, 13951..13995, 13996..14040, 14041..14085, 14086..14130, 14131..14175, 14176..14220, 14221..14265, 14266..14310, 14311..14355, 14356..14400, 14401..14445, 14446..14490, 14491..14535, 14536..14580, 14581..14625, 14626..14670, 14671..14715, 14716..14760, 14761..14805, 14806..14850, 14851..14895, 14896..14940, 14941..14985, 14986..15030, 15031..15075, 15076..15120, 15121..15165, 15166..15210, 15211..15255, 15256..15300, 15301..15345, 15346..15390, 15391..15435, 15436..15480, 15481..15525, 15526..15570, 15571..15615, 15616..15660, 15661..15705, 15706..15750, 15751..15795, 15796..15840, 15841..15885, 15886..15930, 15931..15975, 15976..16020, 16021..16065, 16066..16110, 16111..16155, 16156..16200, 16201..16245, 16246..16290, 16291..16335, 16336..16380, 16381..16425, 16426..16470, 16471..16515, 16516..16560, 16561..16605, 16606..16650, 16651..16695, 16696..16740, 16741..16785, 16786..16830, 16831..16875, 16876..16920, 16921..16965, 16966..17010, 17011..17055, 17056..17100, 17101..17145, 17146..17190, 17191..17235, 17236..17280, 17281..17325, 17326..17370, 17371..17415, 17416..17460, 17461..17505, 17506..17550, 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20746..20790, 20791..20835, 20836..20880, 20881..20925, 20926..20970, 20971..21015, 21016..21060, 21061..21105, 21106..21150, 21151..21195, 21196..21240, 21241..21285, 21286..21330, 21331..21375, 21376..21420, 21421..21465, 21466..21510, 21511..21555, 21556..21600, 21601..21645, 21646..21690, 21691..21735, 21736..21780, 21781..21825, 21826..21870, 21871..21915, 21916..21960, 21961..22005, 22006..22050, 22051..22095, 22096..22140, 22141..22185, 22186..22230, 22231..22275, 22276..22320, 22321..22365, 22366..22410, 22411..22455, 22456..22500, 22501..22545, 22546..22590, 22591..22635, 22636..22680, 22681..22725, 22726..22770, 22771..22815, 22816..22860, 22861..22905, 22906..22950, 22951..22995, 22996..23040, 23041..23085, 23086..23130, 23131..23175, 23176..23220, 23221..23265, 23266..23310, 23311..23355, 23356..23400, 23401..23445, 23446..23490, 23491..23535, 23536..23580, 23581..23625, 23626..23670, 23671..23715, 23716..23760, 23761..23805, 23806..23850, 23851..23895, 23896..23940, 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