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 Test Calculators and Practice Answers archive Word Problems Lessons In Depth

 Question 356161: K= 2b + 5c; solve b then solve c. I am very rusty in algebra. My son and I are getting different answers and he doesn't have his book so I can refresh my memory. Can you work this out so we can get and example to finish the others? Thank you. Click here to see answer by edjones(7569)

 Question 356184: Hi can you help me expressing using a positive exponent of d^-2 Is it 1/d^2 ? Thanks for your help :o) Click here to see answer by mananth(12270)

 Question 356075: -2{3[-4+(-2)(-2) + 10 [(0-4) -6]} Divide (2) (-1 -1) Click here to see answer by tmx123(3)

 Question 356175: Need help with this problem. I need to find the Vertex, the line of symmetry, and the mas or minimum value of f(x) and then graph it. f(x)= 1/5 (x+6)^2 +4 I appreciate your help :o) Click here to see answer by Fombitz(13828)

 Question 356179: Hi need some help with solving this problem. Solve, (x+11)(x-9)(x+3)>0 the solution set is {x|____}. Thank you :o) Click here to see answer by Fombitz(13828)

 Question 356186: I am trying to identify the degree of each term of the polynominal and the degree of the polynominal The degree of the first term is? The degree of the second is? The degree of the third is? The degree of the fourth is? The degree of the polynominal is what? Thanks I appreciate it. :o) Click here to see answer by Fombitz(13828)

 Question 356162: I need help with this problem Divide (28b^3+27b^2+18b+44)/(4b+5) I am not sure if my answer is correct: 7b^2-2b+7 9/4b+5 ? Thanks for your help :o) Click here to see answer by Fombitz(13828)

 Question 356278: Using the FOIL method. Trying to simplify 5x squared + 4x - 1 Click here to see answer by rfer(12657)
 Question 356278: Using the FOIL method. Trying to simplify 5x squared + 4x - 1 Click here to see answer by CharlesG2(828)

 Question 356360: What would be the equation for the circunference which diameter is represented by a(4,6) and b(2,2) Click here to see answer by ewatrrr(10682)

 Question 356541: 1) Simplify the following expression: 6y^10 - 3y^6 + 4y^3 +8y/ 3y^3 (no decimals allowed) Click here to see answer by Fombitz(13828)

 Question 356726: What weight must be added to 50g of 36% sulfuric acid solution to yield a 20% solution? All percents are weight. Click here to see answer by robertb(4012)

 Question 356800: Quadratic equations are always hard for me to understand and believe me they can kill a day. :o{ Can you help me with the steps with this one. F(x) = -2x^2 + 2x + 8 THanks a bunch! Click here to see answer by Alan3354(30993)
 Question 356800: Quadratic equations are always hard for me to understand and believe me they can kill a day. :o{ Can you help me with the steps with this one. F(x) = -2x^2 + 2x + 8 THanks a bunch! Click here to see answer by stanbon(57290)

 Question 356813: Solve the system by graphing both equations on the same set of axes and then reading the solution from the graph. y= 1/3x y= -1/9x+8 Click here to see answer by Fombitz(13828)
 Question 356813: Solve the system by graphing both equations on the same set of axes and then reading the solution from the graph. y= 1/3x y= -1/9x+8 Click here to see answer by ewatrrr(10682)

 Question 356811: Solve the system by graphing both equations on the same set of axes and then reading the solution from the graph. 8x-9y=72 x-y=4 Click here to see answer by ewatrrr(10682)

 Question 356951: What value of the variable x us associated with: a. Y=0 b. y=1 c. Y=-8 the equation is y=x cubed Click here to see answer by stanbon(57290)

 Question 357000: Hi can you tell if I have done this correctly. By using the FOIL method to find the product (3x^3 - 8)(x^6 - 4)= 3x^9-8x^6-12x^3+32 Thanks for your help :o) Click here to see answer by mananth(12270)

 Question 356998: Hi there, I am having a hard time finding all numbers for which the rational expression is undefined. T^3 – 7t _________ T^2 - 4 Thanks for your help :o) Click here to see answer by mananth(12270)

 Question 356997: Hi I need some help with the following problem in identifying the degree of each term of the polynominal and the degree of the polynominal. -x^3 + 3x^2 + 7x +9 The degree of the polynominal is The degree of the first term is The degree of the second term is The degree of the third term is and the degree of the fourth term is For some reason I struggle with figuring this problem out and hope you can help me. Thanks :o) Click here to see answer by Fombitz(13828)

 Question 357001: Hi can you tell if I have done this correctly. Find the following, 14sqrt(-8)^14 = 8 Thanks for your help :o) Click here to see answer by jim_thompson5910(28545)

 Question 357069: P(E and F) =.21 p(E) = .4 what is P(F/E) Click here to see answer by edjones(7569)

 Question 357167: What 2 equations can you create that will total 30 and 31using the numbers -1, -3, 2 and 4. You can only use each number one time and no absolute value or factorials. Please help. Click here to see answer by jim_thompson5910(28545)

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