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

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Algebra: Inequalities, trichotomy

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Question 222550: What is 5z-6>4z?
Click here to see answer by jim_thompson5910(13787)

Question 222775: The formula s=-16t^2 + vt + s gives you the height in feet above the earth at time t seconds for an object projected into the air with an initial velocity of v feet per second (ft/sec) from an initial height of s feet. Two balls are thrown into the sir simultaneously, one from the ground at 40 ft/sec and one from a height of 20 feet at 30 ft/sec. For what values of t will their heights above the ground differ by 10 feet or less?
Click here to see answer by stanbon(26259)

Question 222863: Find the solution for inequality. Write the answer in interval notaion.
8x-(5-x)>11x+1
I got x<3 as my final answer. How do I write that in function notaion? Also, if you could explain what function notation is. I think it would be f(x)<3.
Click here to see answer by rapaljer(3620)

Question 223051: please help me solve -0.4x<-24
Click here to see answer by Alan3354(6059)

Question 223078: Solve algerbraically or graphically.
5(x-3)=4(x-4)
I got x=-1, is that correct?
Click here to see answer by rfer(2688)

Question 223197: pleas help 6x+6-5x≤10
Click here to see answer by jim_thompson5910(13787)

Question 223221: Solve 2y + 5 < -1.
Click here to see answer by jim_thompson5910(13787)

Question 223292: what do you do to the first inequality to get to the second inequality
X - 3 > 9; X > 12

Click here to see answer by checkley77(7035)

Question 223294: Solve the inequality:5-x-2>3
Click here to see answer by checkley77(7035)

Question 223309: 3X+11=9X SOLVE FOR X
Click here to see answer by checkley77(7035)

Question 223289: Solve the inequality:
-4-2n+4n>7-4
Click here to see answer by checkley77(7035)

Question 223287: what do you do to the first iequality to get to the second inequality
X + 8 < 11; X = 3
Click here to see answer by stanbon(26259)

Question 223288: Write an inequality for the statement. Solve the inequality:
The sum of half a number and two-thirds of the number is less than 14.
Click here to see answer by checkley77(7035)

Question 223288: Write an inequality for the statement. Solve the inequality:
The sum of half a number and two-thirds of the number is less than 14.
Click here to see answer by rfer(2688)

Question 223619: 9 – 4a ≤ -3
Click here to see answer by checkley77(7035)

Question 223592: square root x<9
Click here to see answer by checkley77(7035)

Question 223591: Please help me solve. Thank you
(1-x)^2=9
I think that I am supposed to set it to zero but it somehow isn't working for me.
Click here to see answer by checkley77(7035)

Question 223590: Please help me solve. Thank you
(1-x)^2=9
I think that I am supposed to set it to zero but it somehow isn't working for me.
Click here to see answer by checkley77(7035)

Question 223590: Please help me solve. Thank you
(1-x)^2=9
I think that I am supposed to set it to zero but it somehow isn't working for me.
Click here to see answer by jsmallt9(590)

Question 223766: Solve the inequality:
18+9p>12p-31
Click here to see answer by rfer(2688)

Question 223778: 23-t< or = 2(t-9)-3(t+2)
solve for T
Click here to see answer by stanbon(26259)

Question 223777: n+3 Solve for n
Click here to see answer by Alan3354(6059)

Question 223831: 9x-9>-9
Click here to see answer by checkley77(7035)

Question 223969: find an equation for a line that goes through(-3,-1) and has slope 6
Click here to see answer by nerdybill(2446)

Question 223784: Write an inequality for each relationship. Solve each inequality
Four more than twice a number is greater than two-thirds of the number
Click here to see answer by ankor@dixie-net.com(6691)

Question 223780: Solve the inequality:
-1/3(n+8)+1/3n<_ 1-n
Click here to see answer by ankor@dixie-net.com(6691)

Question 224190: solve -11<4x-4x<-3
the inequaility signs are less then equal to signs
Click here to see answer by RAY100(1637)

Question 224267: I am trying to help my son with his prealgebra but it has been along time for me. Here is the inequality. -(x/5)<_0
It reads as x divided by 5, negative, is less than or equal to 0.

Click here to see answer by Alan3354(6059)

Question 224281: y=-2/3x-12
Click here to see answer by drj(1380)

Question 224283: solve
the inequaility signs inthe problem are less then equal to signs

Click here to see answer by rapaljer(3620)

Question 224484: Could you please help me with this problem 2 is less than or equal to x plus 2 divided by negative 5 is less than or equal to 6

Click here to see answer by LtAurora(115)

Question 223533: I would appreciat help with this one. Thank you
(1-x)^2=9
I think that I need to set it to zero and then factor to solve?
But I tried that and it didn't work out.

Click here to see answer by Alan3354(6059)

Question 224574: This problem is from the tenth edition Beginning Algebra:
Instruction for the problem is Solve each inequality. Write the solution set in interval notation and graph it. I know how to write it in interval notation and how to graph it. I have tried several times to get rid of the fractions and I'm doing something wrong because the answer is (-infinity,32) and I just can't get there. Here is the problem: 2/3(p+3)>5/6(p-4). I know I use the distributive property first and get 2/3p+2>5/6p-10/3.
Click here to see answer by ankor@dixie-net.com(6691)

Question 224971: I need help. I need to sue builder notation to describe the complete solution. for 35-(4x+5)<2(x+2)+x. Can some explain to me how to work this problem and how I got the problem in details. Am a very slow learner and I just want to understand it. Please
Click here to see answer by jim_thompson5910(13787)

Question 225008: (X+4)(X+6)<=0
Click here to see answer by RAY100(1637)

Question 225204: find the slope, if it exists x + 9y = 18
Click here to see answer by LtAurora(115)

Question 225127: I need help with this problem:

Click here to see answer by LtAurora(115)

Question 225334: Explain why the line x=4 is a vertical line
Click here to see answer by LtAurora(115)

Question 225975: -9(x+4)>= 16
Click here to see answer by edjones(3292)

Question 226151: Use the inequality s+12 >_ 20 to fill in the missing numbers.
s+? >_30
Click here to see answer by solver91311(5072)

Question 226253: 5t - 5 ≥ 4t - 9
I thought -5 was the solution, but I'm really just so unsure.
Click here to see answer by jim_thompson5910(13787)

Question 226255: 0.3x-1.1-x=0.3
Click here to see answer by jim_thompson5910(13787)

Question 226255: 0.3x-1.1-x=0.3
Click here to see answer by LtAurora(115)

Question 226283: help my solve this problem:glenda has a $40 gift certificate to a cafe that sells her favorite tuna sandwitch for $3.75 after tax.what are the possible numbers of tuna sandwiches glenda can buy.
Click here to see answer by rfer(2688)

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