Questions on Algebra: Equations answered by real tutors!

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Question 1096670: Someone get 750 naira a day, does o/time for 3hrs @ 1.5hrs calculation. The result pls Thanks David Bassey.
Click here to see answer by Theo(13342)

Question 1096687: 4x-6{2x-3(5x-8)}
Click here to see answer by Alan3354(69443)

Question 1096701: Simplify:
(-8+24x)/-4
I did this 2-6x but teacher marked as wrong.
Also, teacher says the answer is -2+6x. Please help.
Click here to see answer by Alan3354(69443)

Question 1096695: What is the value of x to the 2nd power equals 36/81 explain?
Click here to see answer by Alan3354(69443)

Question 1096646: (m-n)+(m+8),ifm=20 and n=8

Click here to see answer by ikleyn(52781)

Question 1096808: IS x+9 A FACTOR of x^2+11x+21???
I SAY NO BECAUSE THE REMAINDER IS 3
AM I CORRECT??????
Click here to see answer by Edwin McCravy(20055)

Question 1096808: IS x+9 A FACTOR of x^2+11x+21???
I SAY NO BECAUSE THE REMAINDER IS 3
AM I CORRECT??????
Click here to see answer by MathTherapy(10552)

Question 1096813: Johns father is three times older than john. In six years the sum of their ages will be 68 how old are they?
Click here to see answer by josgarithmetic(39617)

Question 1096890: 6=2/3x-6
Click here to see answer by Alan3354(69443)

Question 1096897: A corporation purchases a smaller company for $50,000. The company costs $1,000 per month to maintain. The company brings in $2,000 per month in revenue. After how many months will the corporation see a profit?
Click here to see answer by jorel1380(3719)

Question 1096869: Two passengers leave the airport at Denver, Colorado. One takes a 2.3-hr flight to Seattle, Washington, and the other takes a 3.3-hr flight to New York City. The plane flying to New York flies 60mph faster than the Plane flying to Seattle. If the total distance traveled by both planes is 2662 Miles, determine the average speed of each plane.

Click here to see answer by jorel1380(3719)

Question 1096932: Use numbers 4 to 9 to fill in the magic triangle with a sum of 19?
Click here to see answer by greenestamps(13200)

Question 1096931: Use numbers 3 to 11 to fill in a 3x3 magic square ?
Click here to see answer by greenestamps(13200)

Question 1096966: 2f + 9 (6-3f) - 7 =
Click here to see answer by ankor@dixie-net.com(22740)

Question 1096989: the sum of the ages of joey and his little brother sam is 8 . the difference of their two ages is 4 write a system of equations and solve it graphically to find the ages of joey and sam
Click here to see answer by Fombitz(32388)

Question 1097013: tickets to a play cost $6.50 each. write an equation for the total; cost of 12 tickets plus a $7.50 fee for large groups
Click here to see answer by jorel1380(3719)

Question 1097015: 1/3x-(1/2x-2)= 3 I am stumped on this one... how does the fraction multiply in -2.
I end up getting -1/6-2/3= 3 then 1/9= 3 but the answer is -6 and we are solving for x
Click here to see answer by Boreal(15235)

Question 1097009: jennifer earned 40$ less than twice the amount tony earned. chris earned $60 more than tony. how much did each person earn if total earned is $900?
Click here to see answer by josh_jordan(263)

Question 1097054: Find the improper fraction with the denominator of 12 that is equivalent to 10 1/4
Click here to see answer by josh_jordan(263)

Question 1097054: Find the improper fraction with the denominator of 12 that is equivalent to 10 1/4
Click here to see answer by MathTherapy(10552)

Question 1097131: E/e=(R+r)/(R-r) solve for r
Click here to see answer by Fombitz(32388)

Question 1097131: E/e=(R+r)/(R-r) solve for r
Click here to see answer by ikleyn(52781)

Question 1097149: 4 6/7 + w = 5 1/4 what is w?
Click here to see answer by Fombitz(32388)

Question 1097229: How do you solve this equation?
Susan and Laura are asked to write an expression about a mystery number. Susan writes five less than one-third of the mystery number. Laura writes the sum of negative three and one-sixth of the mystery number. If Susan and Laura have the same mystery number, which of the following can be used to find x, the mystery number?
Click here to see answer by stanbon(75887)

Question 1097217: An appliance store sells two types of refrigerators. Each Cool-It refrigerator sells for $640 and each Polar sells for $780. Up to 250 refrigerators can be stored in the warehouse and new refrigerators are delivered only once a month. It is known that customers will buy at least 80 Cool-Its and at least 120 Polars each month. How many of each brand should the store stock and sell each month to maximize revenues?
Click here to see answer by ikleyn(52781)

Question 1097214: A summer camp wants to hire counselors and aides to fill its staffing needs at minimum cost. The average monthly salary of a counselor is $2400 and the average monthly salary of an aide is $1100. The camp can accommodate up to 35 staff members and needs at least 20 to run properly. They must have at least 10 aides, and may have up to 3 aides for every 2 counselors. How many counselors and how many aides should the camp hire to minimize cost?
Click here to see answer by ikleyn(52781)

Question 1097339: 25(x^2+4x+4)
need help please
Click here to see answer by Alan3354(69443)

Question 1097354: FACTOR 25(x^2+4x+4)
need help please
Click here to see answer by ikleyn(52781)

Question 1097345: An equilateral triangle and a square have the same perimeter. Each side of the square measures 6 centimeters. What is the length of each side of the triangle?
Click here to see answer by ikleyn(52781)

Question 1097337: Factor
6(p-5)^2+11(p-5)+3
I KNOW A*C= 18
AND THE SUM IS 11
NEED HELP WITH THE STEPS AFTER THAT PLEASE
Click here to see answer by Boreal(15235)

Question 1097337: Factor
6(p-5)^2+11(p-5)+3
I KNOW A*C= 18
AND THE SUM IS 11
NEED HELP WITH THE STEPS AFTER THAT PLEASE
Click here to see answer by KMST(5328)

Question 1097381: (a-c)x^2+(b-c)x+(a-b)=0
Click here to see answer by ikleyn(52781)

Question 1097381: (a-c)x^2+(b-c)x+(a-b)=0
Click here to see answer by josgarithmetic(39617)

Question 1097213: An airline with two types of airplanes, P1 and P2, has contracted with a tour group to provide
Click here to see answer by richwmiller(17219)

Question 1097211: An airline with two types of airplanes, P1 and P2, has contracted with a tour group to provide
Click here to see answer by richwmiller(17219)

Question 1097441: Alice and Buster are buying baseball cards. Alice buys 5 packs and 3 individual cards; Buster buys 3 packs and gives his sister 2 cards, he has exactly one half the number of cards as Alice. Hoe many cards are in each pack?
Click here to see answer by stanbon(75887)

Question 1097466: Ryan is working on a science project. He has a roll of paper with an area of 5040 square inches. He has to cut the paper into four equal pieces. He will need exactly 576 inches of crepe paper to make borders around the four equal pieces. Find the dimensions of the four equal pieces

Click here to see answer by greenestamps(13200)

Question 1097415: In a certain city the local water utility company
Click here to see answer by richwmiller(17219)

Question 1097215: A toy making company has at least 300 squares of felt, 700 oz of stuffing, and 230 ft of trim to make dogs and dinosaurs. A dog uses 1 square of felt, 4 oz of stuffing, and 1 ft of trim. A dinosaur uses 2 squares of felt, 3 oz of stuffing, and 1 ft of trim.
It costs the company $1.65 to make each dog and $1.52 for each dinosaur. What is the company's minimum cost?

Click here to see answer by Theo(13342)

Question 1097552: Photocopier A makes 180 copies in 3 min & photocopier B can make 180 copies in 2 min. With both photocopiers working, how long will it take to make 180 copies.
Photocopier A makes 60 copies in 1 min
Photocopier B makes 90 copies in 1 min.
Photocopier A and B working together, they make 150 copies in 1 min.
1 copy takes ___ min, 180 copies take ___ min.
It will take _______ to make 180 copies.
Click here to see answer by ikleyn(52781)

Question 1097560: Reena subscribed for a cellphone plan, which charges a fixed $20 for the first 300 minutes and 'm' cents per minute for the minutes exceeding the 300 mark. If Reena used the cellphone for 500 minutes in January, how much money in dollars will she pay?
This is my answer but the answer key contains different answer.
20 + 200m

Click here to see answer by ikleyn(52781)

Question 1097611: 15x-20
Click here to see answer by Alan3354(69443)

Question 1097631: I need to find the slope and point of the following equation:
6X + 4y - 8 = 6x + y - 2
Click here to see answer by Alan3354(69443)

Question 1097632: Directions: Given the following information, write the equation of the line in slope-intercept form. (hint: put in point slope form and solve)
Question: Passing through the point (0,-3) and has the same slope as the line : 2X = y + 3
Click here to see answer by josgarithmetic(39617)

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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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33526..33570, 33571..33615, 33616..33660, 33661..33705, 33706..33750, 33751..33795, 33796..33840, 33841..33885, 33886..33930, 33931..33975, 33976..34020, 34021..34065, 34066..34110, 34111..34155, 34156..34200, 34201..34245, 34246..34290, 34291..34335, 34336..34380, 34381..34425, 34426..34470, 34471..34515, 34516..34560, 34561..34605, 34606..34650, 34651..34695, 34696..34740, 34741..34785, 34786..34830, 34831..34875, 34876..34920, 34921..34965, 34966..35010, 35011..35055, 35056..35100, 35101..35145, 35146..35190, 35191..35235, 35236..35280, 35281..35325, 35326..35370, 35371..35415, 35416..35460, 35461..35505, 35506..35550, 35551..35595, 35596..35640, 35641..35685, 35686..35730, 35731..35775, 35776..35820, 35821..35865, 35866..35910, 35911..35955, 35956..36000, 36001..36045, 36046..36090, 36091..36135, 36136..36180, 36181..36225, 36226..36270, 36271..36315, 36316..36360, 36361..36405, 36406..36450, 36451..36495, 36496..36540, 36541..36585, 36586..36630, 36631..36675, 36676..36720, 36721..36765, 36766..36810, 36811..36855, 36856..36900, 36901..36945, 36946..36990, 36991..37035, 37036..37080, 37081..37125, 37126..37170, 37171..37215, 37216..37260, 37261..37305, 37306..37350, 37351..37395, 37396..37440, 37441..37485, 37486..37530, 37531..37575, 37576..37620, 37621..37665, 37666..37710, 37711..37755, 37756..37800, 37801..37845, 37846..37890, 37891..37935, 37936..37980, 37981..38025, 38026..38070, 38071..38115, 38116..38160, 38161..38205, 38206..38250, 38251..38295, 38296..38340, 38341..38385, 38386..38430, 38431..38475, 38476..38520, 38521..38565, 38566..38610, 38611..38655, 38656..38700, 38701..38745, 38746..38790, 38791..38835, 38836..38880, 38881..38925, 38926..38970, 38971..39015, 39016..39060, 39061..39105, 39106..39150, 39151..39195, 39196..39240, 39241..39285, 39286..39330, 39331..39375, 39376..39420, 39421..39465, 39466..39510, 39511..39555, 39556..39600, 39601..39645, 39646..39690, 39691..39735, 39736..39780, 39781..39825, 39826..39870, 39871..39915, 39916..39960, 39961..40005, 40006..40050, 40051..40095, 40096..40140, 40141..40185, 40186..40230, 40231..40275, 40276..40320, 40321..40365, 40366..40410, 40411..40455, 40456..40500, 40501..40545, 40546..40590, 40591..40635, 40636..40680, 40681..40725, 40726..40770, 40771..40815, 40816..40860, 40861..40905, 40906..40950, 40951..40995, 40996..41040, 41041..41085, 41086..41130, 41131..41175, 41176..41220, 41221..41265, 41266..41310, 41311..41355, 41356..41400, 41401..41445, 41446..41490, 41491..41535, 41536..41580