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Question 848280: A triangle has vertices J(-2,0), K(4,-3) and L(8,8).
a) Find the equation for the altitude from vertex L to side JK
b) Find the length of the altitude
Click here to see answer by josgarithmetic(39617)

Question 848384: 2t-1<10
Click here to see answer by Ash14(5)

Question 848410: Express the following expressions in the form of a(x + b) + c where a, b and c are constants.
x2 � 14x
Click here to see answer by Edwin McCravy(20054)

Question 848513: An artifact was found and tested for its carbon-14 content. If 83% of the original carbon-14 was still present, what is its probable age (to the nearest 100 years)? (Carbon-14 has a half-life of 5,730 year)
______ yr
Click here to see answer by ankor@dixie-net.com(22740)

Question 848714: Breaking even occurs when the revenues for a buisness equal the cost. A local children's museum studied their costs and revvenues from paid admission. They found that their break even time is given by the equation of 2h^2-2h-24=0 where h is the number of hours the museum is open per day. How many hours must the museum be open per day to reach the break even point
Click here to see answer by stanbon(75887)

Question 848716: Good old St.Nick needs your help getting from Nathan's house to Jack's house on Christmas Eve. Of course that means rooftop to rooftop. With your knowledge of parabolas,Santa has asked your to guide his sleigh. It is 300 feet between their rooftops and there is a really big tree halfway between their houses that stand 190 feet above the roof levels. If Santa must fly a parabolic path and he wants to just clear the tree, what would be the equation of the parabola that he would enter into his on-board computer.
Click here to see answer by stanbon(75887)

Question 849083: A 10 by 14 meter garden will have a sidewalk of width x along the two 14 meter sides and width 2x along the two 10 meter sides. Approximate (to the nearest hundredths) the value of x that will make the area covered by sidewalks and the garden total 174 Square meters. (My teacher said to use the quadratic formula as well)
So I did (4x+10)(2x+14)=174 Ending up with
At this point I'm stuck on how to continue by using the quadratic equation.
Click here to see answer by Alan3354(69443)

Question 849361: An artifact was found and tested for its carbon-14 content. If 82% of the original carbon-14 was still present, what is its probable age (to the nearest 100 years)? (Carbon-14 has a half-life of 5,730 years.)

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

Question 849458: Can you help me with this problem (a+1)^2=25
Click here to see answer by harpazo(655)

Question 849458: Can you help me with this problem (a+1)^2=25
Click here to see answer by Alan3354(69443)

Question 849611: How to find the quadratic formula with this root: square root of 5 over 3
Click here to see answer by ewatrrr(24785)

Question 849639: Many probably know the '
Suppose you are tossing an apple up to a friend on a third-story balcony.
After t seconds, the height of the apple is given by the function:
h(t) = � 16t2 + 38.4t + 0.96' question.
I've already solved for
How long it takes the apple to reach your friend? = 1.2 seconds
and
What is the height of the apple when your friend catches it? = 24 feet
But I'm not sure how to solve this question.
Suppose your friend does not catch the apple and it falls back to the ground. How long did it take the apple to hit the ground?

Click here to see answer by richwmiller(17219)

Question 849698: Use the discriminant to determine whether the following equation has solutions that are two different rational solutions, two different irrational solutions; exactly one rational solution; or two different imaginary solutions.y2 + 7y + 1 = 0
Click here to see answer by swincher4391(1107)

Question 849805: Y=-4x to the 2 power + 12x -8
Click here to see answer by Theo(13342)

Question 850012: f(x)=3x+2 and g(x)=2x-3, what is the value of g[f(-2)]

Click here to see answer by jim_thompson5910(35256)

Question 850057: The product of two consecutive positive integers is 306. We need to find the integers.
Click here to see answer by josgarithmetic(39617)

Question 850197: Please help me to find co-ordinates that will be y=0 from this equation y=x^2+9 times x-3
Click here to see answer by Fombitz(32388)

Question 850285: PLEASSSSEE HELP . Determine the dimensions of a rectangle of area 60 in^2 that is inscribed in a circle or radius 6.5 in.
Click here to see answer by josgarithmetic(39617)

Question 850285: PLEASSSSEE HELP . Determine the dimensions of a rectangle of area 60 in^2 that is inscribed in a circle or radius 6.5 in.
Click here to see answer by josmiceli(19441)

Question 850277: The sum of the squares if two numbers is 5/18 and the sum of 6 times the smaller number and 4 times the larger number is 3. What are the numbers??
Click here to see answer by ankor@dixie-net.com(22740)

Question 850526: Please show me how to solve this problem, I dont know the steps (btw I'm doing quadratic equations)
x(x-2)=0
Click here to see answer by Fombitz(32388)

Question 850546: Please show me how to solve this problem, I dont know the steps (btw I'm doing quadratic equations)
(3x-3)(4x+2)=0
Click here to see answer by richard1234(7193)

Question 850545: Solve { { { 5x^2+13x=6 } } } by factoring.

Click here to see answer by Tatiana_Stebko(1539)

Question 850553: Please show me how to solve this problem, I don't know the steps (btw I'm doing quadratic equations)

And please if you can show all steps
Click here to see answer by FrankM(1040)

Question 850573: Please show me how to solve this problem, I don't know the steps (btw I'm doing quadratic equations)

Click here to see answer by jim_thompson5910(35256)

Question 850569: Please show me how to solve this problem, I don't know the steps (btw I'm doing quadratic equations)

Click here to see answer by Alan3354(69443)

Question 850569: Please show me how to solve this problem, I don't know the steps (btw I'm doing quadratic equations)

Click here to see answer by josgarithmetic(39617)

Question 850593: The demon drop ride at Cedar Point takes riders to the top of a tower and drops them 60 feet at speeds reaching 80 feet per second. A function that models this ride is h=-16t^2+64t-60 where h is the height in feet and t is the time in seconds About how many seconds does it take for riders to drop from 60 feet to 0 feet?
Click here to see answer by Alan3354(69443)

Question 850499: If the line is a tangent to the curve , find the possible values of .
Click here to see answer by richwmiller(17219)

Question 850743: if the sum of the roots of quadratic equation, ax^2+bx+c=0, is equal to the sum of cubes of their reciprocals then show that ab^2=3a^2c+c^3
Click here to see answer by Edwin McCravy(20054)

Question 850872: Please help me find the solution to this problem rounded to the nearest hundredth: 7x^2-28x+15=0
The answers I got were, {0.64,3.36}
Click here to see answer by ewatrrr(24785)

Question 850966: I'm kind of confused by this: A rectangle is twice as long as it is wide, and
it has an area of 20 square meters.
None of the factors of twenty fit the description and I've tried to find the right two numbers (decimals) but I'm really confused.
Click here to see answer by ewatrrr(24785)

Question 851081: write a quadratic equation whose roots are -1 and 2 and whose leading coefficient is 2
Click here to see answer by josgarithmetic(39617)

Question 851188: how do I factor
X squared -64 = 0
Click here to see answer by Alan3354(69443)

Question 851197: Factor the equation X*2=x+20
Click here to see answer by ewatrrr(24785)

Question 851199: Please graph each of these
A) y=(x+2)*2+1
B) y=(x-2)*2-1

Click here to see answer by ewatrrr(24785)

Question 851288: Multiply (2x*2)(x+4)(x-4)
1)2x*4-32x*2
2)2x*4-16
2)2x*3+8x*2
Click here to see answer by ewatrrr(24785)

Question 851375: Using the quadratic formula how do I solve?
x^2-64=0

Click here to see answer by rvfer(117)

Question 851377: How do I factor
x^3-64=0

Click here to see answer by Alan3354(69443)

Question 851462: Please solve for x: ((y + 3) / 3) = 6 / y .
Click here to see answer by solver91311(24713)

Question 851788: A boat travels 15km/hr in still water. In travelling 45 km downstream from Town A to Town B, it completes the journey in 75 minutes less than it takes for the return journey. At what speed does the river flow?
Please explain simply. Apparently I am an idiot.
Click here to see answer by lwsshak3(11628)

Question 851971: h to the 2nd power + 8h+16
Click here to see answer by Alan3354(69443)

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