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Question 97145: Help I'm completely lost on this!
Determine if each relation is Linear or Not Linear.
x y
-2 -14
3 11
5 21
Click here to see answer by stanbon(75887)

Question 97233: Solve the system
2x + 3y = 4
x + 4y = 7
Click here to see answer by edjones(8007)

Question 97731: x-2y=6

Click here to see answer by elima(1433)

Question 97815: find two consecutive odd intergers such that twice the larger is 17 more than the smaller.
Click here to see answer by checkley71(8403)

Question 97819: find two consecutive even integers such that the smaller added to three times the larger gives a sum of 46
Click here to see answer by checkley71(8403)

Question 97819: find two consecutive even integers such that the smaller added to three times the larger gives a sum of 46
Click here to see answer by edjones(8007)

Question 97827: two houses on the same side of the street have house numbers that are consecutive even integers. the sum of the integers is 58. what are the two numbers?
Click here to see answer by ptaylor(2198)

Question 97902: shimaran is twice as ols as her son.in four years she will be four times as old as her son was 9 years ago. how old is each now
Click here to see answer by aaaaaaaa(138)

Question 97849: if five times the smaller of two consecutive integers is added to three times the larger, the result is 59. find the integer
Click here to see answer by elima(1433)

Question 97059: Solve by the method of you choice. Identify systems with no solution ad systems with infinitely many solutions, using set notation to express their solution sets.
6x + 2y = 7
y = 2 - 3x
Please solve
Click here to see answer by kiljoy(51)

Question 98092: p=a+b+c for b
Click here to see answer by checkley71(8403)

Question 98214: need some help
|5s + 2|= |s + 8|
not sure what to do with the lines, Thanks David
Click here to see answer by yhanie(3)

Question 98669: kaylene is 30 yrs. old & jessica 22 yrs. old. how many yrs. ago was kaylene twice as old as jessica?

Click here to see answer by abutlerus(2)

Question 98808: Richard has 22 coins with a total value of $4. If the coins are all quarters and dimes, how many of each type of coin does he have?
Click here to see answer by ankor@dixie-net.com(22740)

Question 98805: Find values for m and b in the following system so that the solution to the system is (-3, 4).
5x+7y = b
mx+y = 22

Click here to see answer by malakumar_kos@yahoo.com(315)

Question 98735: Solve:
8(2f-3)= 4(4f-8)
Click here to see answer by rmromero(383)

Question 98873: a washing machine technician charges $27 for the first hakf hour and $18 for each half hour part therafter, how long did the technicain work if the bill did not exceed $100?
Click here to see answer by paige(1)

Question 98872: Peter received commissions of $150 and $225. How much be receive from a third sale so his total commission will exceed $500?
Click here to see answer by doukungfoo(195)

Question 98960: Rewrite the equation below in general form Ax + By = C
where A, B and C are the smallest integers possible
and A > 0.
y = x +
Click here to see answer by Edwin McCravy(20056)

Question 98982: 13a-15b- a +2b = Not to sure of which one would be 1st, the outer or the inter?
Click here to see answer by checkley71(8403)

Question 99008: x/2+x/4=5
Click here to see answer by stanbon(75887)

Question 99017: A brand of grape drink that is 25% grape juice is mixed with another brand that is 75% grape juice. The result is 7 gallons of grape drink that is 35% grape juice. How much of the brand that is 25% grape juice was used? What are the steps to determine the answer?
Click here to see answer by stanbon(75887)

Question 99250: derive the slope-intercept form of a linear equation from the slope formula using (o,b) as the coordinates of the point where the line crosses the y-axis and arbitrary point (x,y).
Click here to see answer by stanbon(75887)

Question 99275: In 2006 39.6 million people lived below poverty level in the U.S. This represents a 80% increase from the number in 2002. How many people lived below the povert level in 2006?
Click here to see answer by stanbon(75887)

Question 99303: A nut mixture consists of almonds and cashews. Almonds are $4.98 per pound, and cashews are $6.98 per pound. How many pounds of each type of nut should be mixed to produce a 16 pounds selling for $5.73 per pound.
Click here to see answer by edjones(8007)

Question 99236: derive the slope-intercept form of a linear equation from the slope formula using (o,b) as the coordinates of the point where the line crosses the y-axis and arbitrary point (x,y).
Click here to see answer by scott8148(6628)

Question 99240: derive the slope-intercept form of a linear equation from the slope formula using (o,b) as the coordinates of the point where the line crosses the y-axis and arbitrary point (x,y).
Click here to see answer by scott8148(6628)

Question 99242: derive the slope-intercept form of a linear equation from the slope formula using (o,b) as the coordinates of the point where the line crosses the y-axis and arbitrary point (x,y).
Click here to see answer by scott8148(6628)

Question 99248: derive the slope-intercept form of a linear equation from the slope formula using (o,b) as the coordinates of the point where the line crosses the y-axis and arbitrary point (x,y).
Click here to see answer by scott8148(6628)

Question 99299: Two boats traveling in the same direction leave a harbor at noon. After 3 hours they are 60 miles apart. If one boat travels twice as fast as the other,find the avarage rate of each boat.
Click here to see answer by edjones(8007)

Question 99532: Solve. 4(x + 9) = �4
Click here to see answer by rmromero(383)

Question 99569: I have not been able to figure out how to do the following problem.
x + 3y =2
x - 2y =-3
Click here to see answer by jim_thompson5910(35256)

Question 99659: easy calc - Express vector w as...?
i know this is supposed to be a really easy question but i can't get to the right answer!! i know you're supposed to find a/b by elimination then sub but i keep getting the wrong answer...
heres the question:
Given the vectors u = [2,1] and v= [-1,3]:
a) Express the vector w = [12, -1] as a linear combination of vector u and v.
ANSWER: 5u - 2v
can someone explain / show work of how to do this please!!!
PS. all the letters have the little vector sign on them, just dunno how to do it on the computer lol.

Click here to see answer by jim_thompson5910(35256)

Question 99685: bhagwanti inherited Rs.12000/-. she invested part of it as 10% and the rest at 12%. Her annual income from these investment is Rs.1280/- how much did she invest at each rate.
Click here to see answer by stanbon(75887)

Question 99687: the length of a room is two and half time its width. if the perimeter of the floor of the room is 70m find the length & width of the room.
Click here to see answer by doukungfoo(195)

Question 99686: meera mother is four times as old as meera. after 5 years her mother will be three times as old as she will be then what are their present age.
Click here to see answer by checkley71(8403)

Question 99684: a no. consist of two digits of which ten's diit exceed the unit's digit by 6 . the no. itself is equal to the ten times the sum of its digits. find the number.
Click here to see answer by checkley71(8403)

Question 99709: what are 3 consecutive integer whose sum is -54
Click here to see answer by Earlsdon(6294)

Question 99708: the difference of two positive no. is 72 & the quotient is obtained on dividing the one by the other is 4. find the no.
Click here to see answer by ankor@dixie-net.com(22740)

Question 99707: the sum of a certain even no. and the fourth even no. after it is 48. find the no.
Click here to see answer by edjones(8007)

Question 99706: the smaller of 2 no. is two-third of the greater if the sum is 120. find the no.
Click here to see answer by elima(1433)

Question 99705: i m thinking of 3 consecutive odd integer. the sum of the first and last of these integers is 26. what are the integers
Click here to see answer by elima(1433)

Question 99701: a number plus two third of itself plus one half of itself plus one seventh of itself equal 97. find the no.
Click here to see answer by ankor@dixie-net.com(22740)

Question 99703: find the no. whose fifth part increased by 5 is equal to its fourth part diminished by 5
Click here to see answer by ankor@dixie-net.com(22740)

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, 3871..3915, 3916..3960, 3961..4005, 4006..4050, 4051..4095, 4096..4140, 4141..4185, 4186..4230, 4231..4275, 4276..4320, 4321..4365, 4366..4410, 4411..4455, 4456..4500, 4501..4545, 4546..4590, 4591..4635, 4636..4680, 4681..4725, 4726..4770, 4771..4815, 4816..4860, 4861..4905, 4906..4950, 4951..4995, 4996..5040, 5041..5085, 5086..5130, 5131..5175, 5176..5220, 5221..5265, 5266..5310, 5311..5355, 5356..5400, 5401..5445, 5446..5490, 5491..5535, 5536..5580, 5581..5625, 5626..5670, 5671..5715, 5716..5760, 5761..5805, 5806..5850, 5851..5895, 5896..5940, 5941..5985, 5986..6030, 6031..6075, 6076..6120, 6121..6165, 6166..6210, 6211..6255, 6256..6300, 6301..6345, 6346..6390, 6391..6435, 6436..6480, 6481..6525, 6526..6570, 6571..6615, 6616..6660, 6661..6705, 6706..6750, 6751..6795, 6796..6840, 6841..6885, 6886..6930, 6931..6975, 6976..7020, 7021..7065, 7066..7110, 7111..7155, 7156..7200, 7201..7245, 7246..7290, 7291..7335, 7336..7380, 7381..7425, 7426..7470, 7471..7515, 7516..7560, 7561..7605, 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