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Question 428624: (1 + cos theta)(1 - cos theta) is that like a difference of squares? So how is it simplified?
Click here to see answer by Theo(13342)

Question 428624: (1 + cos theta)(1 - cos theta) is that like a difference of squares? So how is it simplified?
Click here to see answer by solver91311(24713)

Question 428622: How to simplify: tan^2 theta/sin^2 theta...do I plug in the sin/cos for tan and csc for sin? Help! Thanks.
Click here to see answer by stanbon(75887)

Question 428622: How to simplify: tan^2 theta/sin^2 theta...do I plug in the sin/cos for tan and csc for sin? Help! Thanks.
Click here to see answer by solver91311(24713)

Question 428642: Solve system of equations by graphing.
x+y=4
y-x=4
Click here to see answer by solver91311(24713)

Question 428642: Solve system of equations by graphing.
x+y=4
y-x=4
Click here to see answer by ewatrrr(24785)

Question 428721: Solve the following system of equations by graphing.
x + 2y = 8
x + 2y = -4
What is the solution?
Click here to see answer by richard1234(7193)

Question 428723: Can you explain the basis of Algebra to me.If you would please.thankyou
Click here to see answer by richard1234(7193)

Question 428738: What are the Trig identities and reciprical identities that need to be known to simplify and prove Trig identities? I know the basics like csc=1/sin, sec is 1/cos and tan is 1/cot.
Click here to see answer by stanbon(75887)

Question 428833: Solve system of equations by graphing
2x-y=4
4x-2y=8
Click here to see answer by stanbon(75887)

Question 428850: is their any tutor available to help me in algebra2 its an assessment!!!
Click here to see answer by John10(297)

Question 428832: Solve system if equations by graphing.
3x-2y=-3
-3x-y=-6
Click here to see answer by Gogonati(855)

Question 428909: please help me with these 3 questions i'm confused need this asap..! THANKS
GIVEN: Triangle ABC...AC=5,CB=a,AB=10 and Angle C= 115 degrees...
QUESTIOS:
1. Find the value of side a, rounding to the nearest tenth.
A. 5.9
B. 6.2
C. 6.8
D. 7.1

2. Find the value of angle B, rounding to the nearest tenth of a degree.
A. 26.9�
B. 29.2�
C. 33.4�
D. 38.1�

3. Find the value of angle A, rounding to the nearest tenth of a degree.
A 26.9�
B. 29.2�
C. 33.4�
D. 38.1�

Click here to see answer by solver91311(24713)

Question 428907: please help me with these..!!
GIVEN: Triangle ABC...BC=11...CA=13...BA=15
1. Find the value of angle A, rounding to the nearest tenth of a degree.
A. 45.6�
B. 52.6�
C. 57.6�
D. 63.6�

2. Find the value of angle B, rounding to the nearest tenth of a degree.
A. 45.6�
B. 52.6�
C. 57.6�
D. 63.6�
Click here to see answer by solver91311(24713)

Question 428906: GIVEN: Triangle ABC..AB=c..AC=b...BC=20...Angle A = 120 degrees.. Angle B= 40 degrees

1. Find the value of side b, rounding to the nearest tenth.
A. 6.5
B. 7.9
C. 14.8
D. 15.3

2. Find the value of side c, rounding to the nearest tenth.
A. 6.5
B. 7.9
C. 14.8
D. 15.3
Click here to see answer by solver91311(24713)

Question 428827: Caleb is observing what happens when a negative number is squared. He concludes that the square of any negative number is positive. What type of reasoning is Caleb using?
Click here to see answer by robertb(5830)

Question 428902: How is cos theta csc theta simplified to cot theta? Please explain thanks!
Click here to see answer by richard1234(7193)

Question 428967: you need to rent a moving truck for a day. You have identified two companies that rent trucks. company a charges $50 per day plus$0.15 per mile. company B charges $45 per day plus $0.25 per mile. For how many miles will the cost of renting be the same?
Click here to see answer by jorel1380(3719)

Question 428908: What is tan^2 theta/sin^2 theta?
Click here to see answer by robertb(5830)

Question 429090: Okay. So my name is glen and I need help with stating the excluded values and simplifying rational expressions, like this one; 60x^3/12x
Click here to see answer by ewatrrr(24785)

Question 429098: Please help by showing steps for 12x2+20x=0
Click here to see answer by jorel1380(3719)

Question 429134: How do you solve z^2-5z-6=0 using the quadratic formula?
Click here to see answer by ewatrrr(24785)

Question 429180: 2 5/2 - 2 3/2=
Click here to see answer by ewatrrr(24785)

Question 429273: 8 times a number,x,decreased by y
Click here to see answer by rfer(16322)

Question 429452: (2x^2+y^2)^2
Click here to see answer by IWork4Dessert(60)

Question 429402: solve system of equations by graphing. Show work.
x+y=4
y-x=4
Click here to see answer by edjones(8007)

Question 429590: What I the answer to 3y-5y+10=36
Click here to see answer by Gogonati(855)

Question 429590: What I the answer to 3y-5y+10=36
Click here to see answer by Alan3354(69443)

Question 429627: Solve system of equations by graphing.
3x-2y=-3
-3x-y=-6
Click here to see answer by ewatrrr(24785)

Question 429781: How can I solve this equation: 4x-2=3y-1 ?
Click here to see answer by josmiceli(19441)

Question 429781: How can I solve this equation: 4x-2=3y-1 ?
Click here to see answer by mananth(16946)

Question 429819: 27.3=3/4 why
Click here to see answer by Alan3354(69443)

Question 429835: Hi the problem is N over three -15 equals 25
Click here to see answer by rfer(16322)

Question 429841: I need help in solving this problem, I tried it out but it isnt giving me the right answer, please write down the step by step and what equation i should use. Thank you :)
Bacteria X has a relative growth rate of 180 % (under ideal conditions). Some bacteria X are accidentally introduced into some twirly macaroni salad. Three hours after contamination, there were 20,000 bacteria X in the twirly macaroni salad.
Find the initial number of bacteria X introduced into the twirly macaroni salad:

Click here to see answer by jorel1380(3719)

Question 429885: If (X - A) is multiplied times (X - B), and A and B are both positive numbers, what will be the signs of the last 2 terms of the resulting trinomial?
Click here to see answer by stanbon(75887)

Question 429924: If a sweater is 12.99 how much is it twenty percent off
Click here to see answer by blackveilbridesrocker(2)

Question 429889: Find the side length of a equilateral triangle with an area of 12 radical 3.
Click here to see answer by Gogonati(855)

Question 429889: Find the side length of a equilateral triangle with an area of 12 radical 3.
Click here to see answer by poliphob3.14(115)

Question 429889: Find the side length of a equilateral triangle with an area of 12 radical 3.
Click here to see answer by richard1234(7193)

Question 430070: Please help me solve this problem:
Solve |x + 3| + 10 = 4.
Also, i solved this problem Solve 3x + 6 = 3 (x � 5), i got no solution is that correct...my steps:
1.Distribute the 3..
3x+6=3x-15
2.subtract 5
3x=3x-21
3. subtract 3x..
no solution?
Click here to see answer by stanbon(75887)

Question 430075: can you please tell me if i did these right??
*Solve 7x � 2 ≤ 3(3x + 2)
is the solution x≤-2?
*Solve �9(x � 2) < �72.
is the solution x>10?
thanks!

Click here to see answer by Alan3354(69443)

Question 430066: Name all the sets to which π belongs
Click here to see answer by robertb(5830)

Question 430166: I have a question. I am working on consider the following piecewise defined function. Evaluate the given at x = -5. Problem is f(x)= top part is 1/2x+6 if x is less than or equal to -5. Bottom one is -1/4x+7 if x is greater than -5 hope this makes sense!
Click here to see answer by Alan3354(69443)

Question 430331: find all the positive integers 'x' which when expressed in decimal notation have both of the folloing properties
a)the firs (left-most) digit is 6
b) when this digit is removed, the remaining integer is x/25

Click here to see answer by richard1234(7193)

Question 430286: Solve system by substitution
Y=6-x
Y=2x
Click here to see answer by algebrahouse.com(1659)

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