Questions on Algebra: Equations answered by real tutors!

Tutors Answer Your Questions about Equations (FREE)

Question 183876: i dont get this can you help??? 3w-4=w+8
Click here to see answer by solver91311(17077)

Question 183882: 5t+1>3t-13
Click here to see answer by tvandenberg(45)

Question 183881: 2.4(n-1)=12
Click here to see answer by tvandenberg(45)

Question 183958: Bill attaches one bundle of shingles in an average of x minutes using a hammer, whereas Julio attaches one bundle in 6 min less time using a pneumatic stapler.
a)Write a rational function B(x) that gives the number of bundles that they attached while working together for 10 hours.
b) Find B(30)

Click here to see answer by stanbon(57984)

Question 183989: how do i solve 5/8 x 18? the answer is 11 1/4 but i don't get how to do it.
is it 5/8 x 1/18 or x18/1 so then is it 90/144 or 144/8
please help me understand??????
Click here to see answer by Alan3354(31538)

Question 184018: Trimming hedges.
Lourdes can trim the hedges around her property in 8 hours by using an electric hedge trimmer. Rafael can do the same job in 15 hours by using a manual trimmer. How long would it take them to trim the hedges working together?
Click here to see answer by stanbon(57984)

Question 184000: On her way to NY, Jenny spent the same amount for gasoline each time she stopped for gas. She paid 239.9 cents per gallon the first time; 249.9 cpg the second time and 259.9 cpg the third time. What was the average price per gallon to the nearest tenth of a cent for the gasoline that she bought?
Click here to see answer by ankor@dixie-net.com(15747)

Question 184023: 5x+2y=8
2x-3y=7
Click here to see answer by jim_thompson5910(28717)

Question 184058: Hello.
I'm having some difficulty with the following problem.
Factor each expression, if possible
(c-d)r^3-(c-d)s^3
thanks!
Click here to see answer by tvandenberg(45)

Question 184058: Hello.
I'm having some difficulty with the following problem.
Factor each expression, if possible
(c-d)r^3-(c-d)s^3
thanks!
Click here to see answer by jim_thompson5910(28717)

Question 184057: Hello.
I'm having some difficulty with the following problem.
Factor each expression, if possible
8x^6+125y^3
thanks!
Click here to see answer by jim_thompson5910(28717)

Question 184056: Hello.
I'm having some difficulty with the following problem.
Factor each expression, if possible
48u^6v^6-16u^4v^4-3u^6v^3
thanks!
Click here to see answer by jim_thompson5910(28717)

Question 184068: My teacher wants us to factor this problem on a handout and show all work. This is the problem:
5a^3b^2 + 4a^4b
I broke it down to 5 * aaabb + 2*2*aaaab
The GCF: ab, 2a^2
Is this correct?
Click here to see answer by solver91311(17077)

Question 184069: I need to factor completely this equation:
1000P^3 - 27J^3
It doesn't appear that this can factor
Click here to see answer by HyperBrain(694)

Question 184092: Write an equation of line passing through the given points

(4,-26) and (-4,6)
Click here to see answer by jojo14344(1512)

Question 184091: Write an equation of the line passing through the given points.
(3,-12) and (-4,2)

Click here to see answer by jojo14344(1512)

Question 184094: Write an equation of the line passing through the given points.
(3,-12) and (-4,2)

Click here to see answer by jojo14344(1512)

Question 184101: Graph the following linear equation:
-x+10y=11
I have done this problem twice already and still can not come up with a correct answer!! HELP!! Thank you in advance!
Click here to see answer by jim_thompson5910(28717)

Question 184103: graph the following linear equation
f(x)= 3/4x + 2
Click here to see answer by vleith(2825)

Question 184119: The temperature has been rising X degrees per day for X days. X days ago it was 15 degree. today it is 51 degree. how much has the temperature been rising each day? how many days has it been rising ?
Please I need the answer with steps, thank you
Click here to see answer by ankor@dixie-net.com(15747)

Question 184123: the area of a rectangular picture with a width 2 inches less than its 48 square inches. what are the dimentions of the picture ?
Please with steps, thank you
Click here to see answer by stanbon(57984)

Question 184121: a company finds that if it produces and sells q units of a product, its total revenue in dollars is 100 q^2. if the variable cost per unit is 2 dollars and the fixed cost is 1200 dollars, find the value of q for which
total sales revenue= variable cost + fixed cost
( that is, profit is zero)
Click here to see answer by stanbon(57984)

Question 184129: a group of biologists studied the nutritional effects on rats that were fed a diet containing 10% protein. the protein was made up of yeast and corn flour. by changing the percentage P ( expressed as a decimal ) of yeast in the protein mix, the group estimated that the average weight gain g (in grams) of a rat over a period of time was given by
g= -200p^2 + 200p + 20
what percentage of yeast gave an average weight gain of 60 grams ?
I need the answer with steps please, thanks
Click here to see answer by stanbon(57984)

Question 184100: 321.2 times 21.1 exponent2 minus (34.2 exponent 2) divided by 8 minus 1
Click here to see answer by Alan3354(31538)

Question 184178: y=x+2
y+1=2x
Click here to see answer by checkley77(12569)

Question 184037: 1)Perimeter.
Write a formula for the perimeter of a square as a function of its area
and
2)
Area of a sign.
A sign is in the shape of a square with a semicircle of radius x adjoining one side and a semicircle of diameter x removed from the opposite side. If the sides of the square are length 2x, then write the area of the sign as a function of x.

Click here to see answer by ankor@dixie-net.com(15747)

Question 184240: to attend a wedding Barbara starts driving west from Woodstock at 80km/h. One hour later, Barbaras parents leave Woodstock and drive along the same road at 100 km/h. At what distance from Woodstock will Brabaras parents pass her?

thankyou
Click here to see answer by checkley77(12569)

Question 184235: a lab technician needs to combine some 30% alcohol sloution and 35% alchool solution to make 5 l of 33% alcohol solution. How many litres of the 30% and of the 35% solution will be used?
thnxx
Click here to see answer by checkley77(12569)

Question 184264: How do you expand and simpifly this equation
(3x+2)x+5
thankyou
Click here to see answer by jim_thompson5910(28717)

Question 184268: on Monday a sea otter ate a certain amount of food. Tuesday the otter ate 4lbs less than he ate on Monday. Wednesday the otter ate 3 lbs more than he ate on Monday. from Monday to Thursday combined, the otter ate his own weight in food: 87 lbs. how much did he eat on each day?
Click here to see answer by rapaljer(4667)

Question 184295: What are extraneous solutions of an equation? Why do they sometimes occur in the process of solving rational or radical equations? can you provide examples?
Click here to see answer by rapaljer(4667)

Question 184318: the area of a parallelogramis 10in. the height is 2in. more than half the base. what is the base?...... how do you find this out?!
Click here to see answer by Alan3354(31538)

Question 184319: the area of a parallelogram is 60ft squared. the height is 5ft. how long is the base?
Click here to see answer by Alan3354(31538)

Question 184319: the area of a parallelogram is 60ft squared. the height is 5ft. how long is the base?
Click here to see answer by solver91311(17077)

Question 184326: (2x³÷y⁴)ˉ²
Click here to see answer by Alan3354(31538)

Question 184341: (2x³÷y⁴)²
Click here to see answer by Alan3354(31538)

Question 184437: Factor each of the trinomials, If the question does not factor write none
INTERMEDIATE ALGEBRA
X2-2XY-15Y2=
5X2+25X+30=
X2-XY-12Y2=
X2-7X+12=
Click here to see answer by stanbon(57984)

Question 184486: 5.
A shopper buys three oranges and five lemons for $10.26, while a second shopper buys four lemons and six oranges for $11.16. What is the price of each fruit?
thanks.
Click here to see answer by josmiceli(9819)

Question 184487: 6.
In a triangle, the sum of the interior angles is 180 degrees. If angle A is three times as large as angle B, and angles B and C sum to 90 degrees, what is the measure of each angle?

Click here to see answer by checkley77(12569)

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