Questions on Algebra: Quadratic Equation answered by real tutors!

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Question 197843: 8. A rectangle has dimensions x+10 and 2x-3. Determine the value of x that gives an area of 54 cm^2.
Thank you!!!
Click here to see answer by solver91311(16890)

Question 197754:
Click here to see answer by Mathtut(3670)

Question 197841: Quadratic Equations
7. A basketball is tossed from the top of a 3-m wall. The path of the basketball is defined by the relation y=-x^2+2x+3, where x represents the horizontal distance travelled, in metres, and y represents the height, in metres, above the ground. How far has the basketball travelled horizontally when it lands on the ground?
Thank you very much!!!
Click here to see answer by stanbon(57356)

Question 197849: 10.a) Write a quadratic equation in the form ax^2+bx+c=0 with roots of 6 and -7.
b)What would happen to the roots if you multiplied both sides of the equation in part a) by 3? Explain.
thanks
Click here to see answer by Mathtut(3670)

Question 197851: Can you please help me to solve this equation (x+10)(2x-3)=54? I dont know how to solve it using quadratic equations. Thank you very much!!!
Click here to see answer by checkley77(12569)

Question 197850: 11. Write a quadratic equation with roots of 2/3 and -4/5 in the form ax^2+bx+c=0, where a, b, and c are integers.
Thanks
Click here to see answer by Mathtut(3670)

Question 197850: 11. Write a quadratic equation with roots of 2/3 and -4/5 in the form ax^2+bx+c=0, where a, b, and c are integers.
Thanks
Click here to see answer by solver91311(16890)

Question 197853: What is the slope of the line with the equation 2x + 3y + 6 = 0 ?
Click here to see answer by Mathtut(3670)

Question 197853: What is the slope of the line with the equation 2x + 3y + 6 = 0 ?
Click here to see answer by checkley77(12569)

Question 197854: Would you please help me with this question..
In triangle ABC, AC = 18, BC =10, and cosC = 1/2. Find the area of triangle ABC to the nearest tenth of a square unit.
Thanks!

Click here to see answer by stanbon(57356)

Question 197866: Simplify your results. x2=x-10
Click here to see answer by edjones(7569)

Question 197874: Please help me solve these problem.
t^2-2t=15
0.9a^2+5.4a-4=0
x^2+10x+c
Find C
Thank You So Much!
Click here to see answer by jim_thompson5910(28595)

Question 197929: vi.A function gives the value of C as 2 × (22/7) × r. Find C when r = 7 cm and r = 91 cm.
Would someone please help me out with this problem please?
Click here to see answer by vleith(2825)

Question 197972: can you please help me solve by using the quadratic formula and leave irrational roots in the simplest radical form
Click here to see answer by jim_thompson5910(28595)

Question 197967: can you please help me solve the following and express irrational solutions in simplest radical form: ((( (n-5)^2=20 )))
Click here to see answer by solver91311(16890)

Question 197967: can you please help me solve the following and express irrational solutions in simplest radical form: ((( (n-5)^2=20 )))
Click here to see answer by jim_thompson5910(28595)

Question 198050: At a recent egg - tossing contest, one student threw an egg 80 feet. Someone in the crowd observed that egg reached a maximum height of 16 feet. What equation could be used to model the path of the tossed egg.
Click here to see answer by arallie(162)

Question 198181: Use the Quadratic formula to solve the equation?
2x squared + x - 1 = 0
Click here to see answer by solver91311(16890)

Question 198210: Please Help Me With this Question. "Solve" Xsquared + 5x + 1 = 0
Click here to see answer by stanbon(57356)

Question 198328: Quadratic equation
4. The product of two consecutive numbers is 3306. What are the numbers?
Thanks!!!
Click here to see answer by ankor@dixie-net.com(15652)

Question 198328: Quadratic equation
4. The product of two consecutive numbers is 3306. What are the numbers?
Thanks!!!
Click here to see answer by Alan3354(30993)

Question 198330: Quadratic Equation
5. Determine two consecutive odd integers whose product is 323.
Thanks!!!
Click here to see answer by Alan3354(30993)

Question 198333: Quadratic equation
6. The length of one leg of a right triangle is 7 cm more than that of the other leg. The length of the hypotenuse is 3 cm more than double that of the shorter leg. Find the lengths of each of the three sides.
Thanks
Click here to see answer by stanbon(57356)

Question 198346: I have two problems I need help with:
#1 Divide (35b^3+18b^2+27b+35)/(5b+4)
#2 Factor 12s^2+36st+27t^2
Thx for your hep
Click here to see answer by cel072880(4)

Question 198348: A fast train takes three hours less than the slow train for a journey of 600 km.If the speed of slow train is 10km/hr less than that of fast train.Find the speed of the two trains.
Click here to see answer by ankor@dixie-net.com(15652)

Question 198327: Quadratic Equations
3. The length of a rectangle is 16cm greater than its width. The area is 35m^2. Find the dimensions of the rectangle, to the nearest hundredth of a metre.
Thanks
Click here to see answer by nerdybill(6959)

Question 198390: Quadratic Equations
10. The sum of the squares of two consecutive integers is 365. Find the integers.
Thanks!!!
Click here to see answer by RAY100(1637)

Question 198392: Quadratic Equations
13. The three sides of a right triangle are consecutive even integers. What is the length of each side?
Thanks!!!@@@
Click here to see answer by ankor@dixie-net.com(15652)

Question 198391: Quadratic Equations
11. A rectangle has perimeter 23 cm. Its area is 33cm^2. Determine the dimensions of the rectangle. Include a diagram in your solution.
Thanks@!!!
Click here to see answer by edjones(7569)

Question 198389: Quadratic Equation
9. The area of a triangle is 20cm^2, and the altitude is 4cm greater than the base. Find the length of the base, to the nearest millimetre.
Thanks!!!
Click here to see answer by edjones(7569)

Question 198455: y=x^2+9x+5
Click here to see answer by arallie(162)

Question 195608: x^2+{sqrt(5x)}+1=0
3t^2+11=2{sqrt(33t)}
Thank you:)
Click here to see answer by arallie(162)

Question 198479: Quadratic Equation
14. A ladder is 6m long. If the height of the top of the ladder must be no greater than 10 times the distance from the base to the wall, how high up a wall can the top of the ladder be placed? Include a diagram in your solution. Round to the nearest millimeter.
Thanks@@@!!!
Click here to see answer by ankor@dixie-net.com(15652)

Question 198502: Hello,
I would like to know how to find the equation of a quadratic graph when the x-intercepts and the vetex are not visible.
Click here to see answer by stanbon(57356)

Question 198505: What is a equation that can be solved using all five quadratic methods ?
Click here to see answer by stanbon(57356)

Question 198522: Solve by Factoring
12x(Squared) +19x-18= 0

Click here to see answer by scott8148(6628)

Question 198522: Solve by Factoring
12x(Squared) +19x-18= 0

Click here to see answer by nerdybill(6959)

Question 198545: 5x(squared)=4x(squared)-4x
Click here to see answer by jojo14344(1512)

Question 198544: 5x(squared)-3=0
Click here to see answer by nerdybill(6959)

Question 198542: 3-13x=3-8x+x(squared)
Click here to see answer by arallie(162)

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, 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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, 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