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Question 21864: how do i factor polynomials.
Click here to see answer by rapaljer(4671) About Me 

Question 20995: Six is subtracted from a number. The result is divided by four. This result is added to 10 to give 30. What is the number?
A. 4
B. 80
C. 86
D. 16
Explain your work

Click here to see answer by rapaljer(4671) About Me 

Question 23547: The units digit of a two-digit number is one-third the tens digit. when the digits are reversed, the new number is two more than four times the tens digit. Find the original number.
Click here to see answer by venugopalramana(3286) About Me 

Question 23549: The units digit of a two-digit number is one-third the tens digit. when the digits are reversed, the new number is two more than four times the tens digit. Find the original number.
Click here to see answer by venugopalramana(3286) About Me 

Question 23552: ..The units digit of a two-digit number exceeds thrice the tens digit by 1. the sum of the digits is 9. Find the number. I NEED HELP...
Click here to see answer by venugopalramana(3286) About Me 

Question 23551: 1)The sum of the digits of a two-digit number is 12. The value of the number is two more than 11 times the tens digit. Find the number. PLEASE HELP!! T_T
Click here to see answer by venugopalramana(3286) About Me 

Question 23550: 11)The units digit of a two-digit number is one-third the tens digit.When the digits are reversed, the new number is two more than four times the tens digit. Find the number.
Click here to see answer by venugopalramana(3286) About Me 

Question 23632: 1. A baby is 18 in. long at birth and 27 in. long at ten months. find the rate of change.

2. The cost of group museum tickets is $48 for four people and $78 for ten people. find the rate of change.

3. You drove 30 mi in one hour and 120 mi in four hours. find the rate of change.

4. (-7,1), (7,8) find the slope of the line passing through each pair of points.

5. (4,1 2/3), (-2, 2/3). find the slope of the line passing through each pair of points.

6. (0, 3.5), (-4, 2.5). find the slope of the line passing through each pair of points.

7. (1/2, 8), (1, -2). find the slope of the line passing through each pair of points.

8. (-5, 1/2), (-5, 3). find the slope of the line passing through each pair of points.

9. (0.5, 6.25), (3, -1.25). find the slope of the line passing through each pair of points.

10. Construction: An extension ladder has a label that says, "Do not place base of ladder less than 5 ft from the vertical surface." What is the greatest slope possible if the ladder can safely extend to reach a height of 12 ft? of 18 ft?

Click here to see answer by queenofit(120) About Me 

Question 23720: I had a test question and it was 5w(squared)-2w+4=0 and it told me to find the Discriminant, the nature of the roots, the exact solution and the approx solution. i found the discriminat to be the squareroot of -76...I thought the nature of the roots was down because it was negitive. please help im stumped! i dont have the best teacher an he cant really explain things well and idnt even know what i was supposed to write for the approx. solution. HELP!
Click here to see answer by stanbon(75887) About Me 

Question 23739: What are the X and Y intercepts of 3x-5y=15
Click here to see answer by rapaljer(4671) About Me 
Question 23739: What are the X and Y intercepts of 3x-5y=15
Click here to see answer by Paul(988) About Me 

Question 23740: what is the equation of a line with a slope of 2/3 and going through point (5,1) ?
Click here to see answer by rapaljer(4671) About Me 

Question 23764: Multiply
3x^3(x-2)(x+2)

Click here to see answer by AnlytcPhil(1806) About Me 

Question 23768: Solve for the number of apples
The number of apples is to 12 oranges as 45 is to 60

Click here to see answer by AnlytcPhil(1806) About Me 

Question 23763: Factor
21XYZ-36XY+9YZ

Click here to see answer by music974(43) About Me 

Question 23759: solve for X
2x-1=20-x

Click here to see answer by music974(43) About Me 

Question 23741: what is the slope of Y = 4x+2
Click here to see answer by music974(43) About Me 

Question 23830: SOLVE FOR X
(1/3)X+2=(1/2)X

Click here to see answer by Earlsdon(6294) About Me 

Question 23829: Solve for x
2x-1=20-x

Click here to see answer by elima(1433) About Me 

Question 23865: combine like terms
7Z-3Z^2+9Z

Click here to see answer by elima(1433) About Me 

Question 23882: write an equation of an equation of the line that passes through the given point and has the given given slope. write the equation in solpe- intercept form.
(3, -9), m=-5 (-5, -6), m= -3 (4,-2) m= 1/2

(1/3,-5),m=8

Click here to see answer by elima(1433) About Me 

Question 23827: FACTOR
9X^2+3X-2

Click here to see answer by elima(1433) About Me 

Question 24005: I don't understand this we have finals this week, could you please answer and explain the answer for me.
Write a compound inequality that represents each situation. Graph your solution.
1. All real numbers that are greater that -6 but less than 6
2. all real numbers at least -6 and at most 3
There are a, b, c answers hoever I can't the a, b c, answers because of symbols used

Click here to see answer by longjonsilver(2297) About Me 

Question 24095: Evaluate each expression?
3+8 divided by 2-5
25-1/3(18+9)
8a+b
12x+ab
x squared minus 4n

Click here to see answer by rapaljer(4671) About Me 

Question 24097: 3+8 divided by 2-5

Click here to see answer by rapaljer(4671) About Me 

Question 23828: FACTOR
21XYZ-36XY+9YZ

Click here to see answer by rapaljer(4671) About Me 

Question 24559: Simplify. 2(x+3)-3(2x+4)
Click here to see answer by rahman(247) About Me 

Question 24665: A silver necklace originaly priced at $45.50 is on sale for 1/5 off. what is the sale price?
i can't understand how to to calculate this. please show me in detail.
thanku!

Click here to see answer by quentin252(19) About Me 

Question 24664: A silver necklace originaly priced at $45.50 is on sale for 1/5 off. what is the sale price?
i can't understand how to to calculate this. please show me in detail.
thanku!

Click here to see answer by KBORNSGIRL(1) About Me 
Question 24664: A silver necklace originaly priced at $45.50 is on sale for 1/5 off. what is the sale price?
i can't understand how to to calculate this. please show me in detail.
thanku!

Click here to see answer by Linz(9) About Me 

Question 24641: I need help on POINT SLOPE FORM. I am studying for my midterms. m=%285%29-%284%29%28-1%29-%28-3%29=1%2F2 Then I have to put it into point slope form. I need help with the steps and remembering how to do them. I hope you can help me! Thank you!
Click here to see answer by josmiceli(19441) About Me 

Question 24928: ok my question is how would you solve this i think i get it a little but not alot and it is really a ratio and unit price so please help me problem: 720m/day=---m/min thank you for your time and please answer my question
Click here to see answer by smartypants(7) About Me 

Question 24969: The pinball wizard set a new record on a pinball machine.
Her new record score was 26 times the previous high score of 79,864 points.
What was her new record score?

Subject: Multiplication word problems.

Click here to see answer by askmemath(368) About Me 

Question 25504: Randall and Amyra left school at the same time and began walking in opposite directions. Randall walked at a rate of 3.6 mph and amyra walked at a rate of 4.2 mph. How far apart were the after 10 minutes
Click here to see answer by Paul(988) About Me 

Question 25546: i alwayz freeze up on test and i have a test tomorrow how can i get out of freezing up on them
Click here to see answer by rapaljer(4671) About Me 

Question 25534: 1)prove that cosA + sinA tanA = secA
2)prove that cos(180-y) = -cos y
3)use the sum and difference identities to find the exact value of tan 165 degrees

Click here to see answer by venugopalramana(3286) About Me 

Question 26554: Is this solvable? This is a take home quiz. I know that this is the conversion from fahrenheit to celsius, but it doesn't give anything to convert. The question is:
Solve the given formula for the specified variable:
C = 5/9(F - 32) for F
Thank you for your help.

Click here to see answer by Earlsdon(6294) About Me 

Question 27001: why "m" on y=mx+b?
Click here to see answer by venugopalramana(3286) About Me 

Question 27268: i am stuck on 3 different problems on my math homework(there is a test this wednesday) and like i have said before...my teacher does not care to help me nor any other students in the class to understand the work he provides. so i am once again stuck!
Solve each system of equations:
1) p=2q+1
3p-q=-12
rewrite one of the equations in each system to get one of the variables alone on one side of the equation. then solve the system of equations:
2x+y=12
3x-4y=7
this one has no directions...we just have to solve it:
one angle of a triangle is 4 times as large as another angle of the same triangle. the third angle of the triangle has a measure of 60 degrees. what are the measures of the other 2 angles of the triangle?
please help me.

Click here to see answer by bmauger(101) About Me 

Question 27558: i'm confused on this problem:
Judy needs a mean(average) socre of 86 on four tests to earn a midterm grade of B. If the the mean of her first three test was 83, what is the lowest score ona 100-point scale that she can receive on the fourth test to have a midterm grade of B? **Let 't' represent the unknown test grade

Click here to see answer by venugopalramana(3286) About Me 

Question 27725: Wholesale price: $44
Retail price:$59

Click here to see answer by wuwei96815(245) About Me 

Question 28332: An isosceles triangle has two sides that measure 2 inches and one side that measures 3 inches.A similar isosceles triangel has two sides each 8 inches long.What is the length of the third side?
Click here to see answer by Earlsdon(6294) About Me 

Question 28643: Im in 7th grade and I have to do the FCAT tomarrow and i need to study, can u help me?
Click here to see answer by elima(1433) About Me 

Question 28819: The sum of three numbers is one hundred fifteen. The second number is three times the first number. The third number is two less than five times the first number. Find the three numbers
Click here to see answer by xcentaur(357) About Me 

Question 28852: How do I get the least common denominator out of these 2 fractions?
4/x-3+2/3-x

Click here to see answer by stanbon(75887) About Me 

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