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

Tutors Answer Your Questions about Inequalities (FREE)

Question 429801: tell wether the ordered pair is a soultion of the equality... (3,-2);y< -2x +1
Click here to see answer by robertb(4012)

Question 429800: if X = 0.87, then what it X squared?
Click here to see answer by Alan3354(30955)

Question 429831: Compound inequalities?? x+14<-5 or x+14>3? Can you show me an example of how to solve this one?
Click here to see answer by richard1234(5390)

Question 430062: solve -1 < 4-5x/2 is less than or equal to 7
Click here to see answer by haileytucki(390)

Question 430216: write the interval notation for the set {x - 4> x > -10}

Click here to see answer by John10(245)

Question 430367: 1/3(6x-3)<3x+1
Click here to see answer by unlockmath(1599)

Question 431528: Why does the inequality sign change when both sides are multiplied or divided by a negative number?
Click here to see answer by richard1234(5390)

Question 431619: 4 less than or equal to 5x - 6 less than or equal to 19 help me solve this, please
Click here to see answer by scott8148(6628)

Question 431800: 1/4(8x-4)>3x-1
Click here to see answer by algebrahouse.com(1079)

Question 432034: how do I solve this 3x-4<-13?

Click here to see answer by jorel1380(2518)

Question 432124: 2 players has got a total of 286 hits one has 14 more hites than one

Click here to see answer by checkley79(3039)

Question 432110: Jhanai brings $20 to a pizza party where a plain slice cost $2.25, including tax. What would be the solution to solving this problem with inequalities?
Click here to see answer by jorel1380(2518)

Question 432362: 8+3x>2
how do i write the solution as an inquality ?
Click here to see answer by rapaljer(4667)

Question 432386: how do you solve this problem y= -2x + 5 if x= 4
Click here to see answer by solver91311(16868)

Question 432674: Hi. I am having complications solving two word problems involving inequalities. Please solve these and/or help me on these word problems. Thanks a lot!
1. Find the largest pair of consecutive even integers whose sum is less than 85.
2. Eve's grades on three tests were 78, 93, and 63. What is the lowest grade she can get on the next test to have an average higher than 80?
Thanks again!
Megan, 13 year old Algebra student

Click here to see answer by ankor@dixie-net.com(15623)

Question 432688: Hi. I am having complications solving this word problem involving inequalities. Please solve it and/or help me on. Thanks a lot!
9. A vat contains 100 gallons of 50% brine solution. What is the greatest amount of water that can be added if the salt content cannot drop below 25%?
Thanks!
Megan, 13 year old Alegebra student

Click here to see answer by ankor@dixie-net.com(15623)

Question 433051: how do I solve this inequality? (x+1)(x-3)/(x+2)(x-4)<0
Click here to see answer by stanbon(57214)

Question 433306: Prove the following inequality. Then state for which values the LHS equals the RHS.
Please show and explain (in simple terms) every step in the solution.
a^2 + b^2 >= 2 (a-b-1)
Thank you.
Click here to see answer by robertb(4012)

Question 434201: whats the solution -2b+4>-6
Click here to see answer by rfer(12644)

Question 434986: Graph this rational inequality on the number line.
x^3+7x^2-x-7 less than or equal to sign(don't know how to find the sign on comp)0
Click here to see answer by MathLover1(6612)

Question 435650: write the equation in standard form with integer

y=-5x+2
Click here to see answer by stanbon(57214)

Question 435771: a school has arranged teaching loads so that no teacher ever has more than 25 students. describe the schools teaching load using an inequality and the variable t
Click here to see answer by ewatrrr(10682)

Question 435970: Find the average rate of change of f(x) = x2 + 4x - 6 from x = -3 to x = 2.

Click here to see answer by stanbon(57214)

Question 436360: I need help with this absolute value rational inequality:
|(2/3)x -1| - 2 >1/3
The solution should be:
(-infinity, -2) U (5,infinity)
I a getting 5 right but I cant figute out how to get -2.
Thank you!
Click here to see answer by stanbon(57214)

Question 436475: Can you please help with a step by step on how this solution is determined?
101.95/(1+z4)^4=94.3407
(1+z4)^4=101.95/94.3407
z4=0.019582
How does the numerator of 101.95 swap sides?
How does (1+z4)^4 get reduced to z4?
I can't seem to agree with the z4=0.019582 solution.
Thank you for your help
Click here to see answer by shree840(260)

Question 436770: Again, I know I am in the wrong section... But can anyone help me solve the following limit?
lim (2x-1)/(3x+4)
x-> 2
I can up with a limit of 22/3... Not sure if this is correct??!!

Click here to see answer by stanbon(57214)

Question 436767: Can someone help me solve the following limit? I know im in the wrong section...
lim 2x^2-9x+2
x->3
Thank you.
Click here to see answer by richard1234(5390)

Question 437741: what is the answer to x/5 < 1/3
Click here to see answer by nerdybill(6948)

Question 437764: Solve using the addition and multiplication principles. Be sure to show all of your work.
11 + 6y > 83

Click here to see answer by stanbon(57214)

Question 437765: Solve the following equation by clearing fractions. Please show all of your work.
x/4-2/3=x+5

Click here to see answer by stanbon(57214)

Question 437766: The area of triangle with base, b and height h, is given by:
A=1/2bh

If the area of a certain triangle is 65 square inches and the height is 26 inches, what is the base? Please show all of your work.

Click here to see answer by stanbon(57214)

Question 437763: Solve using the multiplication principle.
-x/3>-6
Click here to see answer by stanbon(57214)

Question 437763: Solve using the multiplication principle.
-x/3>-6
Click here to see answer by MathLover1(6612)

Question 437762: Solve the inequality and represent your answer in set builder notation. Be sure to show all of your work.
-3(4y – 2) < 30

Click here to see answer by MathLover1(6612)

Question 437877: can you please help me on this question what are all the negative odd integers that satisfy the inequality -3x +1≤ 17
Click here to see answer by josmiceli(9647)

Question 438262: Your score 88, 98, and 86 on your first 3 math test. What must you score on the fourth test to obtain an average of at least 92?
using linear inequalities formula i worked problem out my instructor told me it was wrong can you help
Click here to see answer by stanbon(57214)

Question 438286: solve the ineguality and then wirte the solution n interval notation and graph it
1.-36r+24 less than equal to (5r-10)
2.1 less than 3t-5 less than equal to 19

Click here to see answer by MathLover1(6612)

Question 438287: write an equation of the line through the given point with the given slope write the equation in slope intercept form (4,4);m= -5/7
Click here to see answer by josmiceli(9647)

Question 438525: what is the solution to x-5>14?
Click here to see answer by lazybones4now(2)

Question 438616: if n-3 represents an odd integer,the next larger odd integer is represented by
A.n+1
B.n-1
C.n-5
4.n+5
Click here to see answer by Alan3354(30955)

Question 438958: I've never been great with graphs, and once again, I'm stuck.
Here's what it says on my homework: Write the inequality for the graph shown.
Here's a photo of the actual graph: http://i613.photobucket.com/albums/tt214/Gabbycrts/_img009.jpg
Can you help me? Thank you!
Click here to see answer by rwm(914)

Question 438997: I've never been great with graphs, and once again, I'm stuck. One person felt the graph looked sloppy, and gave 2 possible answers: x> 1/3 and x>0
I need another opinion. Here's what it says on my homework: Write the inequality for the graph shown.
Here's a photo of the actual graph: http://i613.photobucket.com/albums/tt214/Gabbycrts/_img009.jpg
Can you help me? Thank you!
Click here to see answer by scott8148(6628)

Question 439094: please help me solve this inequality in interval notation
thanks
Click here to see answer by unlockmath(1599)

Question 439332: using linear equations and inequalities
Volume of Aluminum Foil One cubic centimeter of
aluminum weighs 2.7 grams. If a piece of aluminum
foil weighs 5.4 grams, find the volume of the aluminum
foil.
Click here to see answer by stanbon(57214)

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