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

Tutors Answer Your Questions about Inequalities (FREE)

Question 1082407: Use the function value given to determine the value of sin(0). Answer in exact form. cos(∅)=6/7
Select one:
a. 7/√85
b. √13/6
c. 6/√85
d. √13/7

Click here to see answer by Alan3354(69443)

Question 1082406: 5. Use the Answer in exact form.
cos(0) = t

Click here to see answer by Fombitz(32388)

Question 1082405: Use the function value given to determine the value of sin(). Answer in exact form. cos(∅)=6/7

Click here to see answer by Fombitz(32388)

Question 1082443: Solve the inequality -2x - 12 > -3x - 2 for x.
Click here to see answer by Fombitz(32388)

Question 1082443: Solve the inequality -2x - 12 > -3x - 2 for x.
Click here to see answer by Edwin McCravy(20054)

Question 1082662: Whys all the solutions of 11x>132
Click here to see answer by ikleyn(52775)

Question 1082729: Empty post
Click here to see answer by Edwin McCravy(20054)

Question 1083057: above the mean (z = + 1.5) and below the mean (z = � 1.5)

Click here to see answer by solver91311(24713)

Question 1083402: The function f(x)= 1/2x-6 was replaced with f(x+k)=1/2x-4. What is the
value of k?
Click here to see answer by Boreal(15235)

Question 1083402: The function f(x)= 1/2x-6 was replaced with f(x+k)=1/2x-4. What is the
value of k?
Click here to see answer by MathTherapy(10551)

Question 1083401: James is at a gift sale where everything costs $4 (tax included).
� James has $50.
� James must have at least $28 remaining when he is finished buying
gifts.
What is the greatest number of gifts James can buy?
Click here to see answer by Boreal(15235)

Question 1083399: Two problems say to write equations in standard form, but I got the answers in slope-intercept and am not quite sure how to translate them. The equations are; y>3/2x+(-3.5) and y<=-4/5x+1. Can you please help me?
Click here to see answer by Boreal(15235)

Question 1083400: Given that $-3 \le 7x + 2y \le 3$ and $-4 \le y - x \le 4$, what is the maximum possible value of $x + y$?
Click here to see answer by Alan3354(69443)

Question 1083513: Given that -3 <= 7x + 2y <= 3 and -4 <= y - x <= 4$, what is the maximum possible value of x + y?
Click here to see answer by rothauserc(4718)

Question 1083513: Given that -3 <= 7x + 2y <= 3 and -4 <= y - x <= 4$, what is the maximum possible value of x + y?
Click here to see answer by KMST(5328)

Question 1083575: i buy 190 kiwis which cost $66.50. I sell each kiwi 55 cents. What is the minimum number of kiwis that i need to sell in order to obtain a profit not less than $20?
Click here to see answer by ankor@dixie-net.com(22740)

Question 1083608: For which system of inequalities is (-3,1) a solution?
Click here to see answer by Alan3354(69443)

Question 1083609: Find the solution of the set, and represent it on a number line.0.25(3x+2)-⅓(6x-1)+1⅓≥0.5(2x+6)
Click here to see answer by Boreal(15235)

Question 1083609: Find the solution of the set, and represent it on a number line.0.25(3x+2)-⅓(6x-1)+1⅓≥0.5(2x+6)
Click here to see answer by MathTherapy(10551)

Question 1083665: Write the equality x<30
Click here to see answer by ikleyn(52775)

Question 1083672: please help me solve this problem. 0.25(3x+2)-⅓(6x-1)+1⅓≥0.5(2x+6)
Click here to see answer by Alan3354(69443)

Question 1084163: Plot these two functions on the same axes:

y = (x + 3)^2
and
y = -2 x + 10
Visually inspect the graph. Estimate where (in terms of x) the linear equation is less than the quadratic equation. Express your answer as an interval or an inequality.

Click here to see answer by josmiceli(19441)

Question 1084161: Jay can buy a stereo either online or at a local store if he buys online he gets a 15% discount but he has to pay a $12 shipping fee at the local store the cereal is not on sale but there is no shipping fee for what regular price is it cheaper for Jay to buy a stereo online
Click here to see answer by josmiceli(19441)

Question 1084300: express in the terms of absolute value of the inequality 7 < x < 15
Click here to see answer by Fombitz(32388)

Question 1084300: express in the terms of absolute value of the inequality 7 < x < 15
Click here to see answer by ikleyn(52775)

Question 1084301: express in the terms of absolute value of the inequality 7
Click here to see answer by Fombitz(32388)

Question 1084314: -2x less than or equal to 10
Click here to see answer by nees101(1)

Question 1084314: -2x less than or equal to 10
Click here to see answer by MathLover1(20849)

Question 1084430: The area of a garden can be found using the equation
A=2n^2-21n, where n>10
What is the value of n when the area is 176 square units
Click here to see answer by Cromlix(4381)

Question 1084478: -3-6(4x+6)>-111
Click here to see answer by MathLover1(20849)

Question 1084753: If four times a number added to 8 the result is equal to three times the number added to 5.
Click here to see answer by josgarithmetic(39616)

Question 1084819: Which of the following numbers would be in the solution set to this inequality? Mark all that apply.
x/6� - 4 > -3
6
5
7
8
Click here to see answer by MathLover1(20849)

Question 1084797: Please solve the following inequality, showing all work and then list 3 numbers that are in the solution set.
x/6 ≥ 3
Click here to see answer by MathLover1(20849)

Question 1084884: 1) (x - 2)(x + 1) =4
Click here to see answer by jorel1380(3719)

Question 1084885: 1) x3�+ 2x2�- 9x = 18

Click here to see answer by josgarithmetic(39616)

Question 1084933: I need help solving this inequality. I've tried some but I don't know if I should add or subtract the like terms. Different teachers are telling me different things.
Problem: 3x + 2 > 5x - 8
Click here to see answer by Alan3354(69443)

Question 1084965: suppose u= 1,2 is the universal set and t=2. then what is the complement of T
Click here to see answer by MathLover1(20849)

Question 1085069: Which of the following numbers would be in the solution set of this inequality? Mark all that apply.
x/6�- 4 > -1

20

19

18
17
Click here to see answer by ikleyn(52775)

Question 1085070: Solve: -2x + 5 > 17

x < 6

x > 6

x < -6
x > -6
Click here to see answer by MathLover1(20849)

Question 1085068: What numbers are in the solution set of the following inequality? Please mark all choices that apply.
x ≥ 12
4
7
12
15
Click here to see answer by ikleyn(52775)

Question 1085073: Which of the following inequalities best describes the statement: �There are at least 100 houses in my neighborhood.�
h < 100

h > 100
h ≤ 100
h ≥ 100
Click here to see answer by MathLover1(20849)

Question 1085075: What would you do to solve the following inequality?
x � 5 > 3
Add 5 to both sides

Subtract 5 from both sides
Multiply by 5 on both sides
Divide by 5 on both sides
Click here to see answer by ikleyn(52775)

Question 1085074: Solve: x + 7 < 2

x < 9
x > -5
x < -5
x > 5
Click here to see answer by ikleyn(52775)

Question 1085072: What would you do first to solve the following inequality?
4x + 7 > 23
Add 4 to both sides
Divide by 4 on both sides
Add 7 to both sides
Subtract 7 on both sides
Click here to see answer by ikleyn(52775)

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