Questions on test answered by real tutors!

Tutors Answer Your Questions about test (FREE)

Question 433358: How to do this problem: it says to multiply and simplify.
(Sin(theta) + cos(theta))(sin(theta) + cos(theta)) -1/sin(theta)cos(theta)
Click here to see answer by Alan3354(69443)

Question 433423: The sum of the supplement and complement of an angle is 130 degrees. Find measure of the angle.
Click here to see answer by stanbon(75887)

Question 433423: The sum of the supplement and complement of an angle is 130 degrees. Find measure of the angle.
Click here to see answer by dudeantariksh(10)

Question 433434: How to establish this identity? Cos(theta)(tan(theta) + cot(theta)) = csc(theta)
Which side do I work on the left? And how do I simplify it?
Click here to see answer by Alan3354(69443)

Question 433443: How does (sec + tan)(sec - tan)=1 come out to be sec^2 - tan^2 =1?
Is it the pythagorean identities?
Click here to see answer by Alan3354(69443)

Question 433521: Suppose you are choosing between two long distance telephone plans. Plan A has a monthly fee of $20 with a charge of $0.05 per minute for all long distances calls. Plan B had a monthly fee of $5.00 with charge of $.10 per minute fr Long distances calls.
1. For what number of minutes of long distances calls will te cost for the two plans be same? What will be the cost for each plan?

Click here to see answer by belle3833(46)

Question 433420: A giant rectangle movie screen has a width 26 feet less than it's length. If it's perimeter is 332 feet, find the area of the screen.
Click here to see answer by jorel1380(3719)

Question 433514: The perimeter of a badminton court is 128 ft. After a game a badminton, a player's coach estimates that the athlete has run a total 444feet, which is equivalent to six times the courts length plus nine times it's width. What are the dimensions of a standard badminton court?
Do not know how to start?
Click here to see answer by scott8148(6628)

Question 433595: What is the answer to
48/2(9+3)
Click here to see answer by algebrahouse.com(1659)

Question 433595: What is the answer to
48/2(9+3)
Click here to see answer by belle3833(46)

Question 433637: Your question goes here. Write clearly! We are not mind readers, so be sure to ask a question that we can understand.
Click here to see answer by rwm(914)

Question 433662: If x:y= 11:8 and y:z= 6:7, what is x:z?
Click here to see answer by stanbon(75887)

Question 433698: Explain how u can recognize a perfect-square trinomial when the coefficient of x squared is 1. What is the connection between the term and the last term?
Click here to see answer by psbhowmick(878)

Question 433692: Your question goes here. Write clearly! We are not mind readers, so be sure to ask a question that we can understand.
Click here to see answer by rwm(914)

Question 433812: I need extra help with prealgebra. Please please help me out.
Click here to see answer by psbhowmick(878)

Question 433820: a world globe is a sphere. the formula for the volume of a sphere is V=4pier^3/3 and the formula for surface area is SA=4pier^2.
Part A. Write an expression for the ratio of the surface area of a sphere to its volume.
Part B. Simplify the expression.
Click here to see answer by psbhowmick(878)

Question 433822: PLEASE HELP ME.!!
Identify the matrix which represents the coordinates of triangle ABC where A(�9, �6), B(�3, 3), and C(0, �3) after a dilation with a scale factor of 2/3
Click here to see answer by shree840(260)

Question 433872: PLEASE HELP ME..!
Find the value of x in the matrix equation.

{{3x+2y, -6x-3y}} = {{6,-6}}

Click here to see answer by stanbon(75887)

Question 433873: I DONT UNDERSTAND THIS PLEASE HELP..!
Use Cramer�s rule to solve for y in the following system of equations.
x + 4y � 2z = 3
x + 3y + 7z = 1
2x + 9y + z = 8

Click here to see answer by tlwright(1)

Question 433875: HELP NEEDED..!

Identify the slope-intercept form of the equation of a line which contains the points (�2, �1) and (3, 4).
Click here to see answer by stanbon(75887)

Question 433952: Through which of the following points does the line y=-3/4x-6
Click here to see answer by Alan3354(69443)

Question 433864: The time required to assemble computers varies directly as the number of computers assembled and inversley as the number of workers. If 30 co
Liters can be assembled by 6 workers in 10 hours how long would it take 5 workers to assemble 40 computers?
Click here to see answer by ankor@dixie-net.com(22740)

Question 433995: X to the power of 3 minus 1000: factor the polynomial completely.
Click here to see answer by Gogonati(855)

Question 434103: 11 divided by 10? Can you help me get my percentage
Click here to see answer by Gogonati(855)

Question 434255: 3(4+3)
Click here to see answer by rfer(16322)

Question 434204: How do you solve 5r-s=5,-4r+5s=17 for substitution property???
Click here to see answer by rfer(16322)

Question 434385: a recipe that makes 18 cookies calls for 3/4 cup of sugar . how much sugar is needed to make 2 dozen cookies using this recipe
Click here to see answer by robertb(5830)

Question 434415: 1.� Simplify the following expression.
(2a3 + 4ab) + (6a3 + 6ab)

8a6 + 10ab
12a3 + 10ab
8a3 + 10ab
6a3b + 10a3b

Click here to see answer by MathLover1(20849)

Question 434426: If a^2-2ab+b^2 and a^2-3ab+b^2 then what does ab equal? The choices are 6, 8, 12, or 14
This is a subject on adding and subtracting polynomials.
Click here to see answer by solver91311(24713)

Question 434439: If a^2-2ab+b=36 and
a^2-3ab+b^2=22, find ab.
The choices the book gave me are 6, 8, 12, and 14.
This is from section adding and subtracting polynomials.
Click here to see answer by robertb(5830)

Question 434463: 48/2(9+3)
Click here to see answer by edjones(8007)

Question 434772: When it comes to plotting components on a grid does rise over run still apply? My 5 grader's teacher is teaching her the opposite of what I was taught in my college algebra class and I am so fustrated!
Click here to see answer by Edwin McCravy(20054)

Question 434982: 4p^2-12p-91=0
Click here to see answer by MathLover1(20849)

Question 435081: x^-2-3x^-1+2=0
Solve by Factoring
Click here to see answer by robertb(5830)

Question 435172: A painter can finish painting a house in 5 hours. Her assistant takes 7 hours to finish the same job. How long would it take for them to complete the job if they were working together?
Click here to see answer by Alan3354(69443)

Question 435173: A painter can finish painting a house in 3 hours. Her assistant takes 5 hours to finish the same job. How long would it take for them to complete the job if they were working together?
Click here to see answer by Alan3354(69443)

Question 435169: Solve the equation for B. A = .5 h(B + b)
Click here to see answer by MathLover1(20849)

Question 435169: Solve the equation for B. A = .5 h(B + b)
Click here to see answer by nerdybill(7384)

Question 435219: There are 10 multiple choice problems on your test, with 4 choices each. What is the probability that you will get a minimum passing grade?
Minimum passing grade would be a 60% and above
Click here to see answer by stanbon(75887)

Question 435168: If three times a number added to 7 is divided by the number plus 9, the result is four thirds. Find the number.
Click here to see answer by jorel1380(3719)

Question 435174: A cyclist bikes at a constant speed for 25 miles. He then returns home at the same speed but takes a different route. His return trip takes one hour longer and is 30 miles. Find his speed.
Click here to see answer by jorel1380(3719)

Question 435214: I am working on solving systems by substitution and elimination. An example problem is {-7x-y=-31 nxt line -7x=23 I have x=-23/7 y=-7(-23/7)+31=54. my question is how do I get the 54???
Click here to see answer by ewatrrr(24785)

Question 435286: I need to solve this
(1/x-1)-(1/x)=1/6x
I need help finding the LCD
Click here to see answer by htmentor(1343)

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