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

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Question 1086732: Describe a situation that could be modeled with an inequality. Write the appropriate inequality, using an appropriate variable. Describe what the graph of this inequality would look like. pls help
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Question 1086673: If x+y+z=7 and xy+yz+zx=11,then least and largest value of z are ?
Click here to see answer by ikleyn(52775)

Question 1086674: If x+y+z=7 and xy+yz+zx=11,then least and largest value of z are ?
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Question 1086917: Can someone help me....Solve the compound ineulaity below. Write the solution set using interval notation and grashp the solution on a number line.
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Question 1086969: Find the solution for the inequality: │7w+3│-12 ≥ 12
Click here to see answer by josgarithmetic(39616)

Question 1086969: Find the solution for the inequality: │7w+3│-12 ≥ 12
Click here to see answer by MathTherapy(10551)

Question 1086970: Find the solution for the inequality:
|x/2+4|>5
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Question 1086970: Find the solution for the inequality:
|x/2+4|>5
Click here to see answer by ikleyn(52775)

Question 1086968: Patrice Lee�s first four exam scores are 94, 73, 72, and 80. If a final average greater than or equal to 80 and less than 90 is needed to receive a final grade of B in the course, what range of score on the fifth and last exam will result in Patrice�s receiving a B in the course? Assume a maximum score of 100.
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Question 1087009: write and equation in point slope form of the line through the pint (-5,2) perpendicular to the line with equation 4x+3y=7
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Question 1087008: Solve the compound inequality below. Write the solution set using interval notation and graph the solution set on a number line.
-21greater than or equal to 6x + 3<-15
Click here to see answer by ikleyn(52775)

Question 1087010: The number of starbucks stores in the US in 2005 was 8896. In 2014, there were 11965 Starbucks stores in the US. Let y be the number of Starbucks stores in the in the year x, where x=0 represents the year 2005.
a) write a linear equation in slope intercept form that models the growth in number of stores in the US in terns of x. (hint: the line must pass through the points (0,8896) and (9,,119651)
b. Use this equation to predict the number of Starbucks stores in the US in the year 2020.
C. Explain what the slope for this line means int he context of the problem
Click here to see answer by jim_thompson5910(35256)

Question 1087065: If 3 more than a certain number is 2 less than a second number, the larger number minus the smaller number is equal to.
A)1
B)3
C)5
D)7
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Question 1087095: Solve the inequalities, and represent your answer in interval notation
-6 ≤ -3(2x-4) < 12
Click here to see answer by Edwin McCravy(20054)

Question 1087094: Solve the inequalities, and represent your answer in interval notation
-7 < p-6 ≤ -5
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Question 1087093: Solve the inequalities, and represent your answer in interval notation
-2 ≤ t+3 < 4
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Question 1087116: f is define as follows: f(x)=x(x+1) solve the inequality f(x) >6
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Question 1087116: f is define as follows: f(x)=x(x+1) solve the inequality f(x) >6
Click here to see answer by ikleyn(52775)

Question 1087317: What is the corresponding equation of the boundary line of the inequality
x+2y <= 4 ?
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Question 1087353: i have to graph the compound inequality. 2x
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Question 1087354: 2x
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Question 1087692: suppose that 3 a+b
a-b
ab
a/b
thank you so much!
Click here to see answer by Alan3354(69443)

Question 1088080: In a theater there are1200 seats. The number of seats in each rows is 10 less than the numbers of rows? How many seats are there in each rows?
Click here to see answer by jorel1380(3719)

Question 1088228: In a chemistry class, 12 liters of a 15% alcohol solution must be mixed with a 20% solution to get a 16% solution. How many liters of the 20% solution are needed?
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Question 1088347: x/7 - 2/5 ≤ x/3 + 2
Click here to see answer by josgarithmetic(39616)

Question 1088493: Multiply both sides of the equation: 9x divided by 4 plus 3 equals 1 eighth by 8. What does the function "by" mean and how do you solve this?
Click here to see answer by Alan3354(69443)

Question 1088567: If x + 2 > 4 and x + 2 < 6, then

A
4 < x > 6

B
2 < x < 4

C
x > 2

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

Question 1088567: If x + 2 > 4 and x + 2 < 6, then

A
4 < x > 6

B
2 < x < 4

C
x > 2

D
x < 6
Click here to see answer by stanbon(75887)

Question 1088569: For his phone service, Carlos pays a monthly fee of
$21, and he pays an additional $0.05 per minute of use. The least he has been charged in a month is $88.55

Click here to see answer by ikleyn(52775)

Question 1088572: log3 3^6/ 2log2 ^3
Click here to see answer by Alan3354(69443)

Question 1088990: I'm stuck with this inequality.
a < x bar - mu < b
supposedly this solves to: x bar - a < mu < x bar + b
The sad thing is I'm 79 and writing a stat book.
Thanks;
joe b.

Click here to see answer by Fombitz(32388)

Question 1089402: 7020x+8460/x is less than or equal to 7200
Click here to see answer by ikleyn(52775)

Question 1089707: if a/b > c/d then will ad > bc? Will this always be true?
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Question 1089788: Solve: |7x + 4| - 8 < 10
x > 2 or x < -22
7
-22
7 < x < 2
All real numbers
No solution
_______________________________________________________
23b. Solve: |7x + 4| - 8 > 10
x > 2 or x < -22
7
-22
7 < x < 2
All real numbers
No solution
Click here to see answer by solver91311(24713)

Question 1089794: 34. (See Week 4 Lecture page �Solving Rational Inequalities� for a starting point.) Solve the inequality 24𝑥 + 17 > 20 /𝑥
Click here to see answer by josgarithmetic(39616)

Question 1089794: 34. (See Week 4 Lecture page �Solving Rational Inequalities� for a starting point.) Solve the inequality 24𝑥 + 17 > 20 /𝑥
Click here to see answer by MathTherapy(10551)

Question 1089794: 34. (See Week 4 Lecture page �Solving Rational Inequalities� for a starting point.) Solve the inequality 24𝑥 + 17 > 20 /𝑥
Click here to see answer by ikleyn(52775)

Question 1089799: Solve the inequality algebraically. Verify your result using a graphing utility.
3x-2 ≥ -2x^2
The solution set is _______________.
Click here to see answer by josgarithmetic(39616)

Question 1089814: 3.
Solve the following inequality
42x -13 < 42/x
�Is the point x = 0 included in the solution set of the inequality?
Yes or No
�Are the other finite end points of the intervals included in the solution set? Yes or No
�What is the solution set? __________
Answer in interval notation and Show work.

Click here to see answer by rothauserc(4718)

Question 1089810: 5.
Use the rational zeros theorem to list the potential rational zeros of the polynomial function. Do not attempt to find the zeros.
f (x) = 2x^11−x^9+ 3x^8 + 28
Find the potential Rational zeros.

A.
−1, 1, −2, 2, −4, 4, −7, 7, −14, 14, −28, 28, −1/2, 1/2, −7/2, 7/2

B.
−1, 1, −2, 2, −4, 4, −7, 7, −28, 28, −1/2, 1/2, −1/28, 1/28

C.
−1, 1, −2, 2, −4, 4, −7, 7, −28, 28, −1/2, 1/2, −7/2, 7/2, −1/28, 1/28

D.
−1, 1, −2, 2, −4, 4, −7, 7, −14, 14, −28, 28, −1/2, 1/2, −1/28, 1/28
Choose A, B, C, OR D. (SHOW WORK)

Click here to see answer by ikleyn(52775)

Question 1089798: Analyze the graph of the function. R(x)= x^2+6x-27 /x-9
a) What is the domain of R(x)?
b) What is the equation of the vertical asymptote(s) of R(x)? x=
c) What is the equation of the horizontal or oblique asymptote of R(x)? y=
Click here to see answer by MathLover1(20849)

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