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Question 77872: The base of a triangle is 3 times its height the area is numerically 6 times its height. Find the height base and area of the triangle.

Click here to see answer by ptaylor(2048)

Question 77963: A rectangular photograph is mounted on a frame that is one inch wide. If the photograph is twice as long as it is wide , anad the area of the phot and the fram together is 60 inches squared, what are the dimensions of the photo
Click here to see answer by checkley75(3666)

Question 77976: How can you factor this trinomial: 2x2+5x+2 the 2 after 2x is squared.
Click here to see answer by jim_thompson5910(28595)

Question 77870: The height of an object dropped from a 205 feet tall building is given by h = -16t squared + 205. When will the object be 36 feet above the ground
Click here to see answer by ankor@dixie-net.com(15656)

Question 78020: Can someone help me with this problem i have no idea where to even start.
The height "h" in feet of an object after "t" seconds is given by the function
h = -16t^2+70t+8
How long will it take the object to hit the ground? Round the answer to the nearest thousandth.
Click here to see answer by jim_thompson5910(28595)

Question 78027: Solve for y
x+5y=15
Hint: Isolate y on one side of the equal sign.
Click here to see answer by stanbon(57361)

Question 78029: If the perimeter of a rectangle is 36 ft and the width is 8 ft, find its length. [Hint: The perimeter of a rectangle is given by P = 2L + 2W.]
The length of the rectangle is________ft

Click here to see answer by don vito(18)

Question 78031: The base of an isosceles triangle is 14 in. less than the length of the equal sides. If the perimeter of the triangle is 43 in., find the length of each of the sides.
Hint: An isosceles triangle has 2 sides of equal length. The third side is different.
Hint: To find the perimeter of a triangle, add all 3 sides.
Hint: Be sure to check your answer. Do all three sides add up?
Answer: The length of the three sides of the triangle are ________ inches, ________ inches, and __________ inches.

Show work:

Click here to see answer by Edwin McCravy(8909)

Question 78037: For a chemical reaction, temperature is a function of time. For Denver Poweroxide this function is T = -t^2 + 7t + 8 (T is degrees Fahrenheit and t is seconds). How long will it take for the temperature to reach zero? Solve by graphing.
I got: 1 second. Is this correct?
Thanks~
Click here to see answer by stanbon(57361)

Question 78025: need the number for x for finding a parabola question is y=(x-2)2power hurry please ISBN 9739619228 sorry not sure of number
Click here to see answer by stanbon(57361)

Question 78038: In 1999, 18.2 million households had a dvd player. If this populaion grows at 25% annually, how many households will have a dvd player in 2004 (5 years later)? A= P(1+r)^t
I got: 55.54 million. Is this correct?
Thanks~
Click here to see answer by stanbon(57361)

Question 78019: Graph the relation and state its domain and range.
x=y^2-1
Click here to see answer by stanbon(57361)

Question 78016: Winston can mow his dad's lawn in 1 hour less than it takes his brother Willie. If they take 2 hours to mow it when working together, then how long would it take Winston working alone?
Click here to see answer by stanbon(57361)

Question 78017: Determine whether the relation is a function.
x^2=1+y^2
Click here to see answer by jim_thompson5910(28595)

Question 78015: Find all real or imaginary solutions to the equation.
x-1/x+2=2x-3/x+4
Click here to see answer by jim_thompson5910(28595)

Question 78063: In this question the paper gives you a description and you're to put it into a quadratic equation.
The sum of the square of a number and 4 times the number is 12.
The equation I got was x^2+4x=12 I'm not sure if it's right but that's what I got. When I went to solve it though I didn't get what my teacher told me I would get, I didn't get two numbers in the end because the square root of the number I got was a decimal and she said we would get whole numbers. Can anyone help?
Click here to see answer by jim_thompson5910(28595)

Question 78121: List the terms and coefficients
8x3- 4x2 + 3
(the 3 and 2 are exponents)
Click here to see answer by 303795(595)

Question 78122: Write using positive exponents, and simplify if poddible.
(-3x) -2
(the -2 is an exponent)
Click here to see answer by 303795(595)

Question 78120: what is the degree of the polynomial x12- 5x4 ?

(the 12 is an exponent and so is the 4)
Click here to see answer by 303795(595)

Question 78119: what is the degree of the polynomial x12 - 5x4 ?
Click here to see answer by 303795(595)

Question 78127: Find all real or imaginary solutions to each equation. Use the method of your choice.
w^2=-225
and
3v^2+4v-1=0
Click here to see answer by jim_thompson5910(28595)

Question 78141: x^2-3x = 4x -1 I can't do the problems that do not have an = 0. I tried to do this by putting the entire equation on the left of the =, and came up with x^2 -7x +1 = 0. But with this equation, I cannot factor it out. Please help.

Click here to see answer by jim_thompson5910(28595)

Question 78137: The width of a rectangular gate is 2 meters (m) larger than its height. The diagonal brace measures √6m. Find the width and height.
Click here to see answer by jim_thompson5910(28595)

Question 78136: Solve each equation by the method of your choice.
2y^2-3y-6=0
and
(x-10)(x-2)=-20
Click here to see answer by checkley75(3666)

Question 78126: (2x+5)2=9
q2-2(7q+16)=0
Click here to see answer by checkley75(3666)

Question 78134: Constructing a box. I have a piece of cardboard that is twice as long as it is wide. If I cut a 2-inch by 2-inch square from each corner and fold up the resulting flaps, I get a box with a volume of 32 cubic inches. What are the dimensions of the cardboard?
Click here to see answer by ankor@dixie-net.com(15656)

Question 78130: The period T (time in seconds for one complete cycle) of a simple pendulum is related to the length L (in feet) of the pendulum by the formula 8T^2=pie^2L.
If a child is on a swing with a 10-foot chain, then how long does it take to complete one cycle of the swing?
Click here to see answer by checkley75(3666)

Question 78109: d...ex
Problem #15
Find the constant term that should be added to make the following expression a perfect square trinomial.
x^2+7x
Problem #22
Solve by using the quadratic formula
5x^2-4x+1=0
Problem #23
Solve by completing the square.
4x^2+2x-3=0
Click here to see answer by stanbon(57361)

Question 78203: Find all real and imaginary solutions to the equation.
b^4+13b^2+36=0
Click here to see answer by checkley75(3666)

Question 78204: An artist wants her painting to be in the shape of a golden rectangle. If the length of the painting is 36 inches, then what should be the width?
Click here to see answer by stanbon(57361)

Question 78282: Use the quadratic formula to solve each of the following quadratic equations.
3x^2-2x+1=0

Click here to see answer by checkley75(3666)

Question 78281: Use the quadratic formula to solve each of the following quadratic equations.
2x^2-5x=3

Click here to see answer by checkley75(3666)

Question 78294: 17) The length of a rectangle is 3 cm more than 2 times its width. If the area of the rectangle is 99 cm^2, find the dimensions of the rectangle to the nearest thousandth.
Click here to see answer by checkley75(3666)

Question 78407: I need to solve the equation:
5-x 13
___=__
17 34
Click here to see answer by stanbon(57361)

Question 78522: 2X TO THE 2ND POWER +4X=9X+18
Click here to see answer by tutor_paul(490)

Question 78612: A person drops an object from a plaza that is 729 feet tall. The height H of the object after T seconds is given by the equation H = -16t squared + 729. Find how many seconds pass before the object reaches the ground.
Click here to see answer by stanbon(57361)

Question 78622: I am trying to help my daughter, its been a long time, and here is the question;
Solving Linear/Quadratic Systems, Solve Graphically:
2x-y=9
y=x^2-4x, the answer is (3,-3)
Click here to see answer by chitra(359)

Question 78658: If you were to solve x^2 - 5x = 6 by facroring, which step would result?
Thanks~
Click here to see answer by tutor_paul(490)

Question 78657: Factor completely:
2x^2 + 4x - 6
Thanks~
Click here to see answer by tutor_paul(490)

Question 78609: A rectangular pool is surrounded by a walk 4 meters wide. The pool is 6 meters longer than its width. If the total area is 576 square meters more than the area of the pool, find the dimensions of the pool.
Click here to see answer by ankor@dixie-net.com(15656)

Question 78705: Factor completely
9x^2 + 24xy - 9y^2
I know the GCF is 3, but I don't know what to do with the two different variables. Thank you
Click here to see answer by checkley75(3666)

Question 78705: Factor completely
9x^2 + 24xy - 9y^2
I know the GCF is 3, but I don't know what to do with the two different variables. Thank you
Click here to see answer by stanbon(57361)

Question 78750: I can't figure the following quadratic question:
Tim and Brad leave at the same time. They drive in different directions. Tim is slower than Brad by 8mph. After an hour, they are 85 miles apart. What is Brad's speed?
How did the equation get to be 2x(square)-16x-7161? Someone please help.
Click here to see answer by bucky(2189)

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