Tutors Answer Your Questions about Equations (FREE)
Question 1101689: translate the following sentences into formulas
1)what is the area A of a circle is the product of pie and the radius r squared
2)the area A of a rectangle equals in the length L
times the width
translate the following expression into sentences
1)2(x-3)=7x+2
Click here to see answer by Alan3354(69443)   |
Question 1101941: Over a season in a women's basketball league Jackson scored 29 more points than the second-highest scorer, Leslie. Together, Jackson and Leslie scored 1139 points during the season. How many points did each player score over the course of the season?
Jackson scored points?
Leslie scored points?
Click here to see answer by stanbon(75887) |
Question 1101942: Sarah took the advertising department from her company on a round trip to meet with a potential client. Including Sarah a total of 8 people took the trip. She was able to purchase coach tickets for $380 and first class tickets for $1180. She used her total budget for airfare for the trip, which was $5440.How many first class tickets did she buy? How many coach tickets did she buy?
number of first class tickets bought?
number of coach tickets bought?
Click here to see answer by stanbon(75887) |
Question 1101942: Sarah took the advertising department from her company on a round trip to meet with a potential client. Including Sarah a total of 8 people took the trip. She was able to purchase coach tickets for $380 and first class tickets for $1180. She used her total budget for airfare for the trip, which was $5440.How many first class tickets did she buy? How many coach tickets did she buy?
number of first class tickets bought?
number of coach tickets bought?
Click here to see answer by josmiceli(19441)  |
Question 1101948: Use the given conditions to write a system of equations. Solve the system and find the numbers.
The sum of two numbers is 12.If one number is subtracted from the other, the result is -4. Find the numbers.
list the two numbers?
(use comma to separate answers)
Click here to see answer by rfer(16322) |
Question 1101948: Use the given conditions to write a system of equations. Solve the system and find the numbers.
The sum of two numbers is 12.If one number is subtracted from the other, the result is -4. Find the numbers.
list the two numbers?
(use comma to separate answers)
Click here to see answer by Alan3354(69443) |
Question 1101944: Solve by the elimination method.
4a+9b=8
-4a+b=32
Determine the solution of the system. Select the correct choice below and, if necessary, fill in the answer box to complete your choice.
A.The solution is ? (type an ordered pair)
or
B.There are infinitely many solutions.
or
C.There is no solution.
Click here to see answer by josgarithmetic(39616) |
Question 1101944: Solve by the elimination method.
4a+9b=8
-4a+b=32
Determine the solution of the system. Select the correct choice below and, if necessary, fill in the answer box to complete your choice.
A.The solution is ? (type an ordered pair)
or
B.There are infinitely many solutions.
or
C.There is no solution.
Click here to see answer by greenestamps(13198)  |
Question 1101944: Solve by the elimination method.
4a+9b=8
-4a+b=32
Determine the solution of the system. Select the correct choice below and, if necessary, fill in the answer box to complete your choice.
A.The solution is ? (type an ordered pair)
or
B.There are infinitely many solutions.
or
C.There is no solution.
Click here to see answer by ikleyn(52776)  |
Question 1101946: In a certain year, out-of-pocket expenses for an elderly person in poor health were $3388 more than for an elderly person in good health. Combined out-of-pocket expenses for one person in poor health and one person in good health were $6736.Find the out-of-pocket expenses for each type of person.
What were the out-of-pocket expenses for an elderly person in poor health?
What were the out-of-pocket expenses for an elderly person in good health?
Click here to see answer by josgarithmetic(39616) |
Question 1102063: A group of 30 fish of a certain species is released in lake.With a careful management the number of fish.N,t years is expected that
N=330/{ 1+10(0.81)^T }
and the fish population will be able to maintain itself without ay protection when the population reaches a size of 80.How many years must a protection program be maintained for the fish population?
Click here to see answer by josgarithmetic(39616) |
Question 1102063: A group of 30 fish of a certain species is released in lake.With a careful management the number of fish.N,t years is expected that
N=330/{ 1+10(0.81)^T }
and the fish population will be able to maintain itself without ay protection when the population reaches a size of 80.How many years must a protection program be maintained for the fish population?
Click here to see answer by ikleyn(52776) |
Question 1102124: The number of inmates N (measured in thousands) in federal and state prisons can be approximated by the equation N = -2.05x squared + 77.85x + 746, where x is the number of years since 1990. In what year was the number of inmates expected to be 1,280,600? THANK YOU!!!
Click here to see answer by jim_thompson5910(35256) |
Question 1102201: The members of a cooking club are making cakes, which they will sell at a street fair for $13 apiece. It cost $21 for a booth at the fair, and the ingredients for each cake cost $6. At some point, the club members will sell enough cakes so that their sales cover their expenditures. How much will the sales and expenditures be? How many cakes will they have sold?
Click here to see answer by richwmiller(17219)  |
Question 1102421: Nick's telephone company charges $0.06 per minute for weekend calls and
$0.08 per minute for calls made on weekdays. This month Nick was billed for
544 minutes. The charge for these minutes was $41.84. How many minutes did he talk on weekends and how many minutes did he talk on weekdays?
Click here to see answer by Boreal(15235)  |
Question 1102559: A pilot flew his single-engine airplane 90 miles with the wind from City A to above City B. He then turned around and flew back to City A against the wind. If the wind was a constant 20 miles per hour, and the total time going and returning was 1.3 hours, find the speed of the plane in still air.
Click here to see answer by ikleyn(52776) |
Question 1102559: A pilot flew his single-engine airplane 90 miles with the wind from City A to above City B. He then turned around and flew back to City A against the wind. If the wind was a constant 20 miles per hour, and the total time going and returning was 1.3 hours, find the speed of the plane in still air.
Click here to see answer by josgarithmetic(39616) |
Question 1102564: I am lost with this complicated problem, appreciate it help. thank you. Kim Walrath has a nutritional deficency and is told to take at least 2200 mg of iron, 2100 mg of vitamin b-1 and 1800 mg of vitamin b-2. One Maxivite pill contains 40 mg of iron, 12 mg of B-1 and 8 mg of B-2 and costs $0.06. One Healthovite pill provides 10 mg of iron, 18 mg of B-1 and 18 mg of B-2 and costs $0.08. a)What combination of Maxivite and Healthovite pills will meet Kim's requirement at lowest cost? What is the lowest cost? b) Does Kim receive more than the minimum amount she needs of any vitamin? If so, which vitamin is it?
Click here to see answer by KMST(5328)  |
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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, 17551..17595, 17596..17640, 17641..17685, 17686..17730, 17731..17775, 17776..17820, 17821..17865, 17866..17910, 17911..17955, 17956..18000, 18001..18045, 18046..18090, 18091..18135, 18136..18180, 18181..18225, 18226..18270, 18271..18315, 18316..18360, 18361..18405, 18406..18450, 18451..18495, 18496..18540, 18541..18585, 18586..18630, 18631..18675, 18676..18720, 18721..18765, 18766..18810, 18811..18855, 18856..18900, 18901..18945, 18946..18990, 18991..19035, 19036..19080, 19081..19125, 19126..19170, 19171..19215, 19216..19260, 19261..19305, 19306..19350, 19351..19395, 19396..19440, 19441..19485, 19486..19530, 19531..19575, 19576..19620, 19621..19665, 19666..19710, 19711..19755, 19756..19800, 19801..19845, 19846..19890, 19891..19935, 19936..19980, 19981..20025, 20026..20070, 20071..20115, 20116..20160, 20161..20205, 20206..20250, 20251..20295, 20296..20340, 20341..20385, 20386..20430, 20431..20475, 20476..20520, 20521..20565, 20566..20610, 20611..20655, 20656..20700, 20701..20745, 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23941..23985, 23986..24030, 24031..24075, 24076..24120, 24121..24165, 24166..24210, 24211..24255, 24256..24300, 24301..24345, 24346..24390, 24391..24435, 24436..24480, 24481..24525, 24526..24570, 24571..24615, 24616..24660, 24661..24705, 24706..24750, 24751..24795, 24796..24840, 24841..24885, 24886..24930, 24931..24975, 24976..25020, 25021..25065, 25066..25110, 25111..25155, 25156..25200, 25201..25245, 25246..25290, 25291..25335, 25336..25380, 25381..25425, 25426..25470, 25471..25515, 25516..25560, 25561..25605, 25606..25650, 25651..25695, 25696..25740, 25741..25785, 25786..25830, 25831..25875, 25876..25920, 25921..25965, 25966..26010, 26011..26055, 26056..26100, 26101..26145, 26146..26190, 26191..26235, 26236..26280, 26281..26325, 26326..26370, 26371..26415, 26416..26460, 26461..26505, 26506..26550, 26551..26595, 26596..26640, 26641..26685, 26686..26730, 26731..26775, 26776..26820, 26821..26865, 26866..26910, 26911..26955, 26956..27000, 27001..27045, 27046..27090, 27091..27135, 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30331..30375, 30376..30420, 30421..30465, 30466..30510, 30511..30555, 30556..30600, 30601..30645, 30646..30690, 30691..30735, 30736..30780, 30781..30825, 30826..30870, 30871..30915, 30916..30960, 30961..31005, 31006..31050, 31051..31095, 31096..31140, 31141..31185, 31186..31230, 31231..31275, 31276..31320, 31321..31365, 31366..31410, 31411..31455, 31456..31500, 31501..31545, 31546..31590, 31591..31635, 31636..31680, 31681..31725, 31726..31770, 31771..31815, 31816..31860, 31861..31905, 31906..31950, 31951..31995, 31996..32040, 32041..32085, 32086..32130, 32131..32175, 32176..32220, 32221..32265, 32266..32310, 32311..32355, 32356..32400, 32401..32445, 32446..32490, 32491..32535, 32536..32580, 32581..32625, 32626..32670, 32671..32715, 32716..32760, 32761..32805, 32806..32850, 32851..32895, 32896..32940, 32941..32985, 32986..33030, 33031..33075, 33076..33120, 33121..33165, 33166..33210, 33211..33255, 33256..33300, 33301..33345, 33346..33390, 33391..33435, 33436..33480, 33481..33525, 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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
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