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

Tutors Answer Your Questions about Inequalities (FREE)

Question 306335: Use an inequality and the five-step process to solve the problem.
Jon has 1121 points in his math class. He must have 88% of the 1400 points possible by the end of the term to receive credit for the class. What is the minimum number of additional points he must earn by the end of the term to receive credit for the class?
Thank you!!!!
Click here to see answer by josmiceli(9671)

Question 306402: (x+1)/x > -2
Click here to see answer by Fombitz(13828)

Question 306437: 8x + 24 < 8x -8
Click here to see answer by checkley77(12569)

Question 306844: (x^6-7x^3+10)/(x^3-5)
Click here to see answer by JBarnum(2044)

Question 306873: -3x-4<2
Click here to see answer by texttutoring(324)

Question 306894: 7>4-y
Click here to see answer by checkley77(12569)

Question 307067: The sum of the digits of a 2 digit number is 9. If the digits are reversed, the number is decreased by 27. what is the original number?
Click here to see answer by ankor@dixie-net.com(15649)

Question 307104: A customer service call center handles 5100 calls in an 8-hour day. If the average length of time to handle each call is 8 minutes, and nobody is expected to be out sick or on vacation, at least how many agents working the same 8-hour shift would you need to handle all calls? How many agents do you need if the average length of time to handle each call is 6 minutes?
Click here to see answer by rfer(12657)

Question 307098: You put $4,750 into a bank paying 1.4% simple interest per year. Suppose you don’t take anything out of the account. How much do you have after two years?
Click here to see answer by rfer(12657)

Question 307064: Kyle just stated a new job that pays $7 per hour. He had been making $5 per hour at his old job. Kyle worked a total of 54 hours last month and made $338 before deductions. How many hours did he work at this new job?
Click here to see answer by solver91311(16877)

Question 307069: A certian plane can travel 1500 miles in 5 hours when flying into the wind. The same plane can travel 2000 miles in 5 hours when flying with the wind. Find the rate of the wind.
Click here to see answer by mananth(12270)

Question 307180: solve the compound inequality.
7 > -4x + 6 or 8 ≤ -4x + 3
Click here to see answer by Edwin McCravy(8908)

Question 307245: 2(5y-6)≥5(3y+6)
Click here to see answer by jim_thompson5910(28593)

Question 307277: I am having trouble with the addition and multiplication principles of solving inequalities. These are the problems I am struggling with: addition principle; t-19<12 and multiplication principle; 6a+10 is greater than or equal to 7a. When trying to solve these problems I do not get the answers that are on the multiple choice mixed problems in my class. PLEASE HELP!
Click here to see answer by Earlsdon(6287)

Question 307248: inequality 4x-9≥ -4 what is the solution regarding x?
Click here to see answer by checkley77(12569)

Question 307536: Solve the inequality 1) 4(w-10)>4
New problem 2) -3x+9>18 solve the inequality
Click here to see answer by checkley77(12569)

Question 307740: You put $4,750 into a bank paying 1.4% simple interest per year. If you don’t take anything out of the account, how much do you have after two years?
Click here to see answer by mananth(12270)

Question 307862: How do you solve this problem 20b-3<21b+9
Click here to see answer by vksarvepalli(154)

Question 307887: how do you solve this equation ∛(x-5=3)
Click here to see answer by ankor@dixie-net.com(15649)

Question 307942: Convert any temperature given to you in degrees Celsius to the same temperature in degrees Fahrenheit, ºF = 2ºC + 30. How would you modify this equation so you could take any temperature given to you in degrees Fahrenheit and change it to degrees Celsius?

Click here to see answer by Alan3354(30993)

Question 308303: If 3b + 1 < 10, which of the following CANNOT be the value of x?
a) -1 b) 0 c) 1 d) 2 e) 3
Click here to see answer by rfer(12657)

Question 308432:
Click here to see answer by JBarnum(2044)

Question 308396: 84x+7y>=70
Click here to see answer by edjones(7569)

Question 308471: During the first 20 miles of a 50 mile bicycle race, Roger's average speed was 16 mi/h. What must his average speed be during the remainder of the race if he is to finish the race in less than 2.5 hours? Greater than:
Click here to see answer by solver91311(16877)

Question 308480: what is greater -2 0r -5
Click here to see answer by rfer(12657)

Question 308538: Describe what the graph of interval [-4,10] looks like?
I just dont understand how to do this can you pleas help me.
Click here to see answer by rapaljer(4667)

Question 308559: how do you determine which inequality is represented by a graph?
Click here to see answer by rapaljer(4667)

Question 308744: Solve the following inequality for x. Graph the solution n a number line, and write it in interval notation.
[2/5x-3]+6>9
*> is suppose to be greater than or equal to.
* [ is suppose to be absolute value
Click here to see answer by stanbon(57307)

Question 308787: 3w - 4 = w + 8
Click here to see answer by ichudov(499)

Question 308909:

Click here to see answer by JBarnum(2044)

Question 308996: Solve.
8 - 3x < -7
Click here to see answer by jim_thompson5910(28593)

Question 308695: If xy > 1 and z < 0, which of the following statements must be true?

I. x > z
II. xyz < -1
III. xy/z < 1/z

Click here to see answer by jim_thompson5910(28593)

Question 308661: Which of the following statements must be true when a^2 < b^2 and a and b are not 0?
I. a^2/a < b^2/a
II. 1/a^2 > 1/b^2
III. (a + b) (a - b) < 0

Click here to see answer by jim_thompson5910(28593)

Question 308998: Solve the inequality for X.
-4<7+x/4<8

Click here to see answer by hmougey(2)

Question 309042: If a^2b^3c > 0, which of the following statements must be true?
I. bc > 0
II. ac > 0
III. ab > 0

Click here to see answer by jim_thompson5910(28593)

Question 309042: If a^2b^3c > 0, which of the following statements must be true?
I. bc > 0
II. ac > 0
III. ab > 0

Click here to see answer by Alan3354(30993)

Question 308898: Not exactly sure where this type of equation fits in but I am in need of obtaining assistance.
A college student invested part of a $25,000 inheritance at 7% interest and the rest at 6%. If his annual interest is $1,671 how much did he invest at 6%? If the answer is $8,000, explain how you would solve the problem.
Click here to see answer by ankor@dixie-net.com(15649)

Question 309147: Which is equivalent to sqrtx+2{+4}=3x
A. 9x^2+x+18=0, where x >- -2
B. 9x^2-x-18=0, where x >- -2
C. 9x^2-13x+14=0, where x >- -2
Click here to see answer by texttutoring(324)

Question 309149: what is the distance between the origin and the line x+y=2?
A.1 B.sqrt2 C.2sqrt2 D.2
Ithink it's A.1
Click here to see answer by texttutoring(324)

Question 309289: what is the inequality that describes x is less then 97?
Click here to see answer by mananth(12270)

Question 309297: How many times do you check your answer for an inequality?
Click here to see answer by Fombitz(13828)

Question 308253: Which quadrant does x < – 10 fall?
I say it fall under quadrant 2 and 3, am i correct?
Also,|y| > x falls under quadrant 1, am I correct?
Which quadrant does both fall under. I cannot figure this one out?
Click here to see answer by Alan3354(30993)

Question 309499: pls help . solve for linear inequality and use interval notation to express solution set
1-(x+3)greater than or equal to 4-2x. thanks for the help
Click here to see answer by stanbon(57307)

Question 309591: For which of the following values of k will the value of 3k-1 be greater than 10 ?
A) 4 B) 3 C) 2 D) 1 E) 0

Click here to see answer by checkley77(12569)

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