Questions on test answered by real tutors!

Algebra ->  Test  -> Lessons -> Questions on test answered by real tutors!      Log On


   



Tutors Answer Your Questions about test (FREE)


Question 628089:
Click here to see answer by solver91311(24713) About Me 

Question 628088:
Click here to see answer by solver91311(24713) About Me 

Question 627997: Use the intermediate value theorem to show that the polynomial function has a zero given in the interval.
f(x)=3x^3+5x^2-6x+5;[-3,-1]

Click here to see answer by fcabanski(1391) About Me 

Question 627996: Use the intermediate value theorem to show that the polynomial function has a zero in the given interval.
f(x)=7x^4-2x^2+4x-1;[-3,0]
f(-3)=?

Click here to see answer by fcabanski(1391) About Me 

Question 627991: Use the rational zeros theorem to find all the real zeros of the polynomial function. Use the zeros to factor f over the real numbers.
f(x)=x^3-2x^2-13x-10
Find the real zeros of f.
x=?
Use the real zeros to factor f.
f(x)=?

Click here to see answer by lwsshak3(11628) About Me 

Question 628197: ASSUME THAT HEIGHTS OF MEN ARE NORMALLY DISTRIBUTED WITH A MEAN OF 68.4 INCHES AND A STANDARD DEVIATION OF 2.8 INCHES. IF 64 MEN WERE RANDOMLY SELECTED FIND THE PROBABILITY THST THEY HAVE A MEAN HEIGHT GREATER THAN 69.4 INCHES
Click here to see answer by solver91311(24713) About Me 

Question 628198: IF THE PROBABLITY OF A NEWBORN CHILD BEING FEMALE IS 0.5 FIND THE PROBABLITY THAT IN 100 BIRTHS 55 OR MORE WILL BE FEMALE. USE THE NORMAL DISTRIBUTION TO APPROXIMATE THE BINOMIAL DISTRIBUTION
Click here to see answer by solver91311(24713) About Me 

Question 628205: A rectangular garden is 60 ft by 80 ft. Part of the garden is torn up to install a sidewalk of uniform width around the garden. The new area of the garden is one sixth of the old area. How wide is the sidewalk?
60-x, 80-x

Click here to see answer by ankor@dixie-net.com(22740) About Me 

Question 628228: If I can fill a 20 gallon tank 128 times how many times can fill a 30 gallon tank
Click here to see answer by Alan3354(69443) About Me 

Question 628374: v^2 - 4 is the product of witch two binomials
Click here to see answer by jim_thompson5910(35256) About Me 

Question 628365: A train leaves Pittsburgh and travels 300 mi to Philadelphia. On the return trip, it travels 10 MPH faster. The total time for the round trip was 11 hrs. How fast did the train travel on each part?
Click here to see answer by ankor@dixie-net.com(22740) About Me 

Question 628571: If x+y=40, then what is 2x equal to?
Click here to see answer by Maths68(1474) About Me 

Question 628588: (5x+6)^2=9
Click here to see answer by Maths68(1474) About Me 

Question 628769: The age of a man is 4 times the sum of the ages of his three children and in 8 years it will be twice the sum. What is the present age of the man?
Click here to see answer by graphmatics(170) About Me 

Question 628771: Can you show me the equation to the solution of this problem:
An equilateral triangle with an area of 12 has what perimeter?
Thanks a lot.

Click here to see answer by meetkisai(17) About Me 

Question 628824: 2x-3(x+4)=-5
Click here to see answer by Tatiana_Stebko(1539) About Me 
Question 628824: 2x-3(x+4)=-5
Click here to see answer by lenny460(1073) About Me 

Question 628843: Division is hard for me and I'm going into 6th grade this year and they do a lot of division there! So before 6th grade starts I want to have division stuck in my brain. What do I do!!!
Click here to see answer by Alan3354(69443) About Me 
Question 628843: Division is hard for me and I'm going into 6th grade this year and they do a lot of division there! So before 6th grade starts I want to have division stuck in my brain. What do I do!!!
Click here to see answer by lenny460(1073) About Me 

Question 628809: With a tailwind plane travelled 480km in 4 hours. But the return trip against the same wind took 2 hours longer. What is the plane's airspeed?
Click here to see answer by Alan3354(69443) About Me 

Question 628916: 180-2x=x
Click here to see answer by Tatiana_Stebko(1539) About Me 

Question 628926: Which of the following triangles could be right triangles? Check all that apply.
A triangle with lengths 2, 3, 4
B. A triangle with lengths 6 inches, 8 inches, 10 inches
C. A triangle with lengths 7, 12, 13
D. A triangle with lengths 8, 15, 17

Click here to see answer by Edwin McCravy(20054) About Me 

Question 629089: if we divide something by zero, what does it mean and why?
Click here to see answer by richwmiller(17219) About Me 

Question 629088: if we divided something by zero, what does it mean and why?
Click here to see answer by lenny460(1073) About Me 

Question 629166: Tap A takes 4 hours to fill a tank. Tap B takes 6 hours to fill the same tank. How long does the tank take to fill half if both tap was on at se te?
Click here to see answer by 303795(602) About Me 

Question 629244: Can you help me with solving polynomials and trinomials
Click here to see answer by solver91311(24713) About Me 

Question 629052: A paddler of a canoe can row at a rate of seven miles per hour in calm water. However she is rowing in a river with a current, and with that current she can row 18 miles per hour. How fast is the current in the river?
Click here to see answer by Edwin McCravy(20054) About Me 

Question 629395: All formulas and there proof.
Click here to see answer by Alan3354(69443) About Me 

Question 629359: it takes two laser printers 12 minutes, working together, to complete a 680 page print job. If each printer is printing each job alone, the first laser printer takes 10 minutes longer than the second laser printer. How long does it take each printer to complete the printing job alone? What is the speed of each printer?
Click here to see answer by ankor@dixie-net.com(22740) About Me 

Question 629400: If 15 cans of food are needed for 7 adults for 2 days, the number of cans needed for 4 adults for 7 days is
Click here to see answer by ankor@dixie-net.com(22740) About Me 

Question 629524: a boy wanted to buy a bicycle. he has now saved P850. how much more will he have to save in order to buy his bicycle?
Click here to see answer by richwmiller(17219) About Me 

Question 629546: How many gallons in a 6'diameter by18' long. Round tank?
Click here to see answer by Alan3354(69443) About Me 

Question 629602: 3x+4=2x+27
Click here to see answer by Alan3354(69443) About Me 

Question 629641: shakoiya,shamya
Click here to see answer by Alan3354(69443) About Me 

Question 629728: on saturday ,earl rode his bike for two hours longer than ted. earl traveled 135 km and tes traveled 81 km if they both averaged the same rate of speed how long did earl ride
Click here to see answer by solver91311(24713) About Me 

Question 629732:
Click here to see answer by 55305(86) About Me 

Question 629743: 64s squared+64s=negitive 9
Click here to see answer by 55305(86) About Me 

Question 629943: How do you evaluate this expression? 2 1/6-(-1 1/2)
Click here to see answer by Charles3475(23) About Me 

Question 629960: Simplify to an exact answer (3 + √-15/4)/2
Click here to see answer by josmiceli(19441) About Me 

Question 630023: Find all zero of f(x), given that 5 is a zero. f(x)=x3-10x2+31x-30
Click here to see answer by ewatrrr(24785) About Me 

Question 629991: David has 440 yards of fencing and wishes to enclose a rectangular area. 1. Express the area A of the rectangle as a function of the width W of the rectangle.
2. For what value of W is the area largest?
3. What is the maximum area?

Click here to see answer by htmentor(1343) About Me 

Question 630099: Give axis and vertex of graph of f(x)=5x^2-30x+2
Click here to see answer by stanbon(75887) About Me 

Question 630104: Find the fifth term in expression(x+2w)^10
Click here to see answer by stanbon(75887) About Me 

Question 630110: 4x + 3y< -24
Click here to see answer by unlockmath(1688) About Me 

Question 630172: 2-5Q/3=4
Click here to see answer by 55305(86) About Me 

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