Questions on Algebra: Inequalities, trichotomy answered by real tutors!

Tutors Answer Your Questions about Inequalities (FREE)

Question 554014: n+8<-7
Click here to see answer by rapaljer(4667)

Question 553957: b. For the first phase of the project, imagine you want to cover the backyard with decorative rock and plant some trees. You need 30 tons of rock to cover the area. If each ton costs $60 and each tree is $84, what is the maximum number of trees you can buy with a budget of $2,500? Write an inequality that illustrates the problem and solve. Express your answer as an inequality and explain how you arrived at your answer
Click here to see answer by Theo(3464)

Question 554055: solve using the addition principle
-9+y=27
Click here to see answer by Alan3354(30993)

Question 554057: solve using the multiplication principle
-8c=-24
Click here to see answer by rfer(12657)

Question 553998: 6(x + 2) > 3x-2
Click here to see answer by rfer(12657)

Question 554205: Write an absolute-value inequality for which the solution is [-8, 2].
Click here to see answer by Edwin McCravy(8909)

Question 554420: 2+x:3=4+x:5
Click here to see answer by Maths68(1474)

Question 554574: 7x + 2 > 30
Click here to see answer by jim_thompson5910(28595)

Question 554574: 7x + 2 > 30
Click here to see answer by kkasko(46)

Question 554417: x/4+7<10
Click here to see answer by jim_thompson5910(28595)

Question 554558: Solve the inequality for u
-2/3u+7>7u-9
Click here to see answer by jim_thompson5910(28595)

Question 554558: Solve the inequality for u
-2/3u+7>7u-9
Click here to see answer by kkasko(46)

Question 554529: Solve the inequality 4(2-x)>x-12 . Which is the graph of the solution?
Click here to see answer by jim_thompson5910(28595)

Question 554050: given the formula, solve for the indicated variable
f=9/5c+32 for c
Click here to see answer by jim_thompson5910(28595)

Question 554586: 6x-5 < 2x + 12
Click here to see answer by jim_thompson5910(28595)

Question 554685: -x=11
7y+2x=-1
Click here to see answer by jim_thompson5910(28595)

Question 554695: 13 is more or equal to m-4
Click here to see answer by jim_thompson5910(28595)

Question 554918: -3x+6/2<12
Click here to see answer by jim_thompson5910(28595)

Question 554930: X is less than 5.
Click here to see answer by jim_thompson5910(28595)

Question 554962: For the circumfrence of a circle to be at least 22pi cm, what can the radius r be?
Click here to see answer by Theo(3464)

Question 554984: Could you answer this for me I'm not sure how I got "C is greater than or equal to 6" could you please include the steps?
The question was 2(c-4) is less than or equal to 10 - C
Click here to see answer by fcabanski(874)

Question 554957: Please help me work the promblem out 2/3 - x/5 < 4/5
Click here to see answer by Maths68(1474)

Question 555174: 2x-5>3
Click here to see answer by jim_thompson5910(28595)

Question 555155: Please help me with this linear inequality 2k-3/4 < 3
I have tried to multiply both sides by 12 as a lowest common denominator and I am not getting the answer right. I need help how how to solve it. I cannot locate a problem like this one in my textbook.
Thank you!
Click here to see answer by jim_thompson5910(28595)

Question 555211: solve please show all of your work
-9(x-2)>-4x+20 write your solution using set builder notation
Click here to see answer by jim_thompson5910(28595)

Question 555215: n+8 < -7
Click here to see answer by jim_thompson5910(28595)

Question 555226: help on x+6<3x-10
Click here to see answer by jim_thompson5910(28595)

Question 555423: Hello there! I'm in the 9th grade, and I'm having some problems understanding inequalities. Could you solve this for me, and teach me the steps on how to do it?
1) x+6 > -8
2) x+3 >(or equal to) 21

Click here to see answer by jim_thompson5910(28595)

Question 555440: 4x-5<=5x

Click here to see answer by jim_thompson5910(28595)

Question 555533: the directions say "Write an inequality that represents the verbal sentence.
Here's the verbal sentence
"Nine and four tenths plus a number is less than or equal to 14.1

Click here to see answer by fcabanski(874)

Question 555672: 50 ≥ 15x
Click here to see answer by jim_thompson5910(28595)

Question 555835: 4x+1<=9
Click here to see answer by jim_thompson5910(28595)

Question 555875: I am working with sets. My sets are as follows:
U = {a, b, c, d, e, f, g, h, i, j, k, r, t, y}
A = {b, i, r, t, h, d, a, y}
B = {c, a, k, e}
C = {c, a, r, d}
Problem #1 A' =
Problem #2 C' (upsidedown cup shape) A
In reference to these problems what does the apostrophe ( ' ) mean.
Click here to see answer by solver91311(16885)

Question 556003: (|3h+1|)/(2)<8
Click here to see answer by stanbon(57346)

Question 556203: I do not know if I placed this question in the right category, but I cannot figure it out at all! here it is:
Find all values for x for which x-3/x+4 is greater than or equal to x+2/x-5...write in interval notation...
Click here to see answer by Theo(3464)

Question 557013: peter begins his kindergarten year able to spell 10 words. he is going to learn to spell 2 new words everyday. Write an equality that can be used to determine how many days,d,it takes Peter to be able to spell at least 75 words.
Click here to see answer by josmiceli(9678)

Question 557135: Solve using the multiplication principle
-6x>1/13
Click here to see answer by heilok(4)

Question 557277: a metal solid at fahrenheit below 1772.7 determine (in terms of an inquality) those celsius temperature for which the metal stays a solid. Use formula F=9/5 c + 32
Click here to see answer by stanbon(57346)

Question 557398: it takes Jacob 3 hours to dig a ditch, which is 6 feet deep. Johnson can accomplish the same task in 4 hours. how long will it take them to dig a ditch if they work together?
Click here to see answer by ankor@dixie-net.com(15652)

Question 557864: I was wondering how to do this equation, ~ 3(y-2) +4(3 -2y) < 6 (3y-1) -11y ~
I've solved every other question on the paper besides this one, it would be amazing if you could show me step by step.
Click here to see answer by scott8148(6628)

Question 558142: 11. Solve the following inequality and write your answer using interval notation. Please show all of your work.
(x/5)< 3/(6x-1)
THANK YOU!!!!!
Click here to see answer by Edwin McCravy(8909)

Question 558511: How do you wright 8 less than a number

Click here to see answer by scott8148(6628)

Question 559416: What is the solution set of the inequality 5-x+4<-3

Click here to see answer by raffyral5(3)

Question 559772: What is the solution to 1. y = 3x – 8
y = 4 – x
2. x + y = 0
3x + y = -8
3. 4x + 5y = 11
y = 3x – 13
4. x – 5y = 2
2x + y = 4
5. x + 3y = 12
x – y = 8
6. x + y = 8
x – y = 4
7. 2x + 3y = 13
x – 3y = 2
8. 13x + 5y = -11
13x + 11y = 7
9. 2x + y = 5
3x – 2y = 4
10. 7x + 3y = -1
4x + y = 3
11. 8x – 3y = -11
2x – 5y = 27
Click here to see answer by Alan3354(30993)

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