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Question 1104885: a random sample of 40 unionized adjunct professors yeiled and average hourly salary of x1=$40.75 with s=$4.30 after adjustments were made for union dues. another sample of 55 non-unionized adjunct professors yeilded x2=$38.80 with s=$3.90. test at the alpha = .05 signifigance level whether the true mean hourly salary of the two groups of adjunct professors is the same or alternatively different. assumer normalitiy of the samples.
Click here to see answer by Boreal(15235)

Question 1104889: Mr. Cooper's minivan could travel 240 miles on 12 gallons of gasoline. He replaced parts in the minivan. Now, the minivan travels 48 more miles than it was traveling at the original rate with 16 gallons of gasoline.
Which of the following is true regarding Mr. Cooper's minivan after replacing parts?
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Question 1104892: The minimum daily requirement of vitamin C for 14-year-olds is 50 mg per day. An Average-sized apple contains 6 mg of vitamin C. How many apples would a person have to eat each day to satisfy this requirement?
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Question 1104904: In one month a store sold pads of paper, some for $9, some for $2, and some for 50 cents. A total of 90 pads were sold for a total of $90. evaluate the total number of the 50 cent pads sold minus the number of $2 pads sold.

Click here to see answer by greenestamps(13195)

Question 1104867: Hi
michael had 80% more money than alvin.vanessa had 40% less than alvin. Michael and alvin gave vanessa some money in the ratio of 3:2 respectively. In the end Vanessa had twice as much money as before. Given that Michael had $144 more than Vanessa in the end, how much money did each of them have at first.
thanks
Click here to see answer by Theo(13342)

Question 1104956: The perimeter of a certain rectangle is 80 meters, the length of the rectangle is 10 meters more than the width. Find the length and the width.
Click here to see answer by Boreal(15235)

Question 1104972: A 9 yard roll of tape costs $3.47. What is the unit price? Round to the nearest cent.

Click here to see answer by Alan3354(69443)

Question 1104975: A drop of water is spherical and 1/10 in. in diameter. Calculate depth of a hollow cylinder, base is 1/2 in. radius, 1000 drops fill.
Vol. of sphere - 4/3 * 22/7 * r^3.
Vol. of hollow cylinder - pi/144 L(R^2 - r^2)cu. ft.
Not sure from this. Non- homework.
Click here to see answer by Alan3354(69443)

Question 1105036: Your boss is buying gifts for all 20 employees he's buying t-shirts and hats t-shirts cost $12.50 and hats cost $15 his total bill was $272.50 how many of each gift did he buy
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Question 1105138: A labourer built 24 m of stone wall. If she had built 2 m less each day, it would have taken her 2 days longer. How many metres did she build each day, working at her usual rate?
Click here to see answer by Boreal(15235)

Question 1105160: The product of two numbers is 323 and the difference between them is 2. What are the two numbers?
Click here to see answer by ikleyn(52750)

Question 1105160: The product of two numbers is 323 and the difference between them is 2. What are the two numbers?
Click here to see answer by greenestamps(13195)

Question 1105169: Hi
jane and john had some marbles. After jane gave john some marbles, he had 3 times as many as he had at first. Jane then hsd half the number of marbles that john had. If they had a total of 180 marbles, how many did each have at first.
Thanks
Click here to see answer by josgarithmetic(39613)

Question 1105130: Solve the following equations given that: 0 ≤ x < 2π
(a)
(b)
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Question 1105244: anna and mei ling spent a total of $12.00. Anna spent $5.00 more than sara. how much girl spend?
Click here to see answer by ikleyn(52750)

Question 1105257: The Jurassic Zoo charges $5 for each adult admission and $2 for each child. The total bill for the 109 people from a school trip was $296. How many adults and how many children went to the zoo?
Click here to see answer by josgarithmetic(39613)

Question 1105263: the area of a rectangle is three times its perimeter.If the length of the rectangle is 5cm longer than it width,find the width and length of the rectangle
Click here to see answer by math_helper(2461)

Question 1105271: a number plus 8 is 19

Click here to see answer by Alan3354(69443)

Question 1105276: Solve given that 0 ≤ x < 2π
Click here to see answer by KMST(5328)

Question 1105276: Solve given that 0 ≤ x < 2π
Click here to see answer by rothauserc(4718)

Question 1104653: if P=A/B, Q=B/C, and R=C/A, express A+B/A+C as simplified fraction in terms of P and R
Click here to see answer by Fombitz(32388)

Question 1105284: An amount of K27, 600 is invested for nine years in a credit union which pays an annual interest rate of 5%. Find the accumulated value after 6 years if interest is compounded;
A) Annually
B) Semi-annually
C) Quarterly
D) Monthly
Click here to see answer by Boreal(15235)

Question 1105262: Hi
jack sold cookies, cakes and muffins in chocolate or butter flavor. He sold 140 more cookies than cakes at the fair. 1/5 of the cookies and 2/ 3 of the cakes sold were chocolate. He sold an equal number of chocolate cake s and cookies. He also sold an equal number of butter cakes and muffins. The number of cakes sold was 3/4 the number of muffins sold.
How many more butter flavored than chocolate flavor ed cookies cakes and muffins were sold.
Can this be solved with 2 variables.
thanks
Click here to see answer by stanbon(75887)

Question 1105318: Kyle works at a donut factory, where a 10-oz cup of coffee costs 95cents�, a 14-oz cup costs $1.15, and a 20-oz cup costs $1.50. During one busy period, Kyle served 25 cups of coffee, using 354 ounces of coffee, while collecting a total of $29.35. How many cups of each size did Kyle fill?
Click here to see answer by stanbon(75887)

Question 1105323: Hi
a container with base 60cm by 40cm and a height of 25cm was 4/5 filled with water. Some of the water was removed causing the water level to fall by 5cm. The remaining water was then poured into a tank and a basin, filling them to the brims. Tne capacity of the basin was 1/3 of the tank. If the tank was 18cm long 15cm wide what was the height of the water in the tank.
thanks
Click here to see answer by greenestamps(13195)

Question 1105334: What is the smallest positive 4-digit integer that is a multiple of both 28 and 35?
Click here to see answer by KMST(5328)

Question 1105334: What is the smallest positive 4-digit integer that is a multiple of both 28 and 35?
Click here to see answer by Alan3354(69443)

Question 1105343: Out of 230 racers who started the marathon, 212 completed the race, 14 gave up, and 4
were disqualified. What percentage did not complete the marathon?
Click here to see answer by greenestamps(13195)

Question 1105342: A square has vertices at (-2,-3), (1,1), (-3,4), and (-6,0). What percent of the square's area lies in Quadrant II?
Click here to see answer by greenestamps(13195)

Question 1105341: The flu is spreading through a college community of 35,000 people. The number of people in this community with the flu can be modeled by F(t) = 12e^0.05t, where t is the number of days since the flu first arrived on campus. After how many days since the flu first arrived will half of the community have been infected with the flu?
Click here to see answer by greenestamps(13195)

Question 1105351: Hi
Frederick and justina were each given a sum of money. If Frederick and justina spent $8 & $16 respectively, justina would still have $70. If Frederick and justina spent $16 & $8 respectively, justina would have $430 left.
how much money did each of them have at the start.
Thanks
Click here to see answer by josgarithmetic(39613)

Question 1105345: if you fold 8 into 2 4 times what do you get.
Click here to see answer by Alan3354(69443)

Question 1105369: A machine has two wheels tangent to each other. The distance between centers is 9 in. The sum of the areas is 198 sq. in. Find radius of each wheel, to the nearest hundredth of an inch.
Area of circle; pi * r^2.
radius; d/2.
Let wheels = x and y.
Not sure how to solve. Non-homework.
Click here to see answer by Alan3354(69443)

Question 1105373: Hi
Gilbert and germaine shared a sum of money.after germaine spent 70 dollars she had twice as muchas gilbert. Gilbert then received 300 dollars and he now had 3 times the amount of money germaine had at first. What was the total amount of money both of them had at the end.
Thanks
Click here to see answer by Theo(13342)

Question 1105376: Hi
all the orange juice in a carton was poured into 3 containers, A B C.20ml was poured from B to C and 210ml was then poured from C to A.150ml ws then poured out of A. As a result the amount of juice
In A in the end was 3 times the amount it had at first. B and C had the same amount left. This was 3 times the amount A had at the end.
How much juice was in each container at first.
thanks
Click here to see answer by Theo(13342)

Question 1105396: Hi
4 oranges 3 apples and 2 pears cost $15.50. 2 oranges 6 pears cost $28.60.3 oranges and 4 apples cost $6.80.
how much does each fruit cost.
thanks
Click here to see answer by jim_thompson5910(35256)

Question 1105466: A cast iron pipe has the following description:
Open at both ends.
14 ft. long.
External diameter; 7 in.
Internal diameter; 6 in.
Find surface area and volume.
Unsure how to solve. Non-homework.

Click here to see answer by josgarithmetic(39613)

Question 1105512: Hi
a crate contains coconuts pineapples and apples. There are 12 more coconut s thand apples. The ratio of the number of pineapple s to the number of apples is 2:5. There are 45 more apples than pineapples.
How many fruits are there.
thanks
Click here to see answer by Fombitz(32388)

Question 1105532: Volume of a circular cylinder:
(16x^3 - 84^2 + 120x - 25)pi.
Radius of base: 2x - 5.

Calculate height.
Not sure how to solve. Non-homework.
Click here to see answer by Boreal(15235)

Question 1105355: A cumulative deposit account of monthly installment of rs. 3600 at 9% p.a. simple interest earns an interest of rs. 17982. Find the number of installment paid.
Click here to see answer by greenestamps(13195)

Question 1105561: The lines 7x - 4y = 7 and 2x + 5y = -11 intersect at point P. How far is point P from the origin?
Click here to see answer by Alan3354(69443)

Question 1105576: Hi
ben and tom had a total of 144 sweets.ben gave tom 1/5 of what he had. Tom the gave ben 1/4 of what he had to ben. If both had an equal number of sweets in the end, how many did each of them have at first.
Thanks
Click here to see answer by josgarithmetic(39613)

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, 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, 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, 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, 27136..27180, 27181..27225, 27226..27270, 27271..27315, 27316..27360, 27361..27405, 27406..27450, 27451..27495, 27496..27540, 27541..27585, 27586..27630, 27631..27675, 27676..27720, 27721..27765, 27766..27810, 27811..27855, 27856..27900, 27901..27945, 27946..27990, 27991..28035, 28036..28080, 28081..28125, 28126..28170, 28171..28215, 28216..28260, 28261..28305, 28306..28350, 28351..28395, 28396..28440, 28441..28485, 28486..28530, 28531..28575, 28576..28620, 28621..28665, 28666..28710, 28711..28755, 28756..28800, 28801..28845, 28846..28890, 28891..28935, 28936..28980, 28981..29025, 29026..29070, 29071..29115, 29116..29160, 29161..29205, 29206..29250, 29251..29295, 29296..29340, 29341..29385, 29386..29430, 29431..29475, 29476..29520, 29521..29565, 29566..29610, 29611..29655, 29656..29700, 29701..29745, 29746..29790, 29791..29835, 29836..29880, 29881..29925, 29926..29970, 29971..30015, 30016..30060, 30061..30105, 30106..30150, 30151..30195, 30196..30240, 30241..30285, 30286..30330, 30331..30375, 30376..30420, 30421..30465, 30466..30510, 30511..30555, 30556..30600, 30601..30645, 30646..30690