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

Tutors Answer Your Questions about Inequalities (FREE)

Question 263516: cant seem to figure this one out :/

Click here to see answer by drk(1908)

Question 263614: I just need the equation to for this inequality word problem
Mr. Burke had a sum of money in a bank. After he deposited an additional sum of $100, he had at least $550 in the bank. At least how much money did Mr. Burke have in the bank originally?
Click here to see answer by palanisamy(496)

Question 263667: Is (2,3) a solution to the inequality?
Click here to see answer by Alan3354(69443)

Question 263928: Mrs. Diaz wishes to save at least $1,500 in 12 months. If she saves $300 during the first 4 months, what is the least possible average amount that she must save in each of the remaining 8 months?

Can You Please Show How You Got Your Answer
Click here to see answer by unlockmath(1688)

Question 264297: 3a^2+a-10>0
we are using delta = b^2-4*a*c
my solution to this equation is [-5/2,3} the book says the solution is (-oo,-2)U(5/3,oo)
please help me find what I am doing wrong

Click here to see answer by mananth(16946)

Question 264320: please help
solve the following equationor inequailty for the unknown variable.round answer to two decimal places if necessary.
10-x<4
Click here to see answer by rfer(16322)

Question 264568: -4x+9y=9
x-3y=-6
how do this problem by elimination?
Click here to see answer by jim_thompson5910(35256)

Question 264559: 4-3x-6=3x+2-x
Click here to see answer by jim_thompson5910(35256)

Question 264573: how do you solve -8>_ k-5

Click here to see answer by jim_thompson5910(35256)

Question 264592: q-5/12<=7/18
Click here to see answer by checkley77(12844)

Question 264740: please help with the problem below. We are trying to figure out if the 12 and 21 are added first and then the sum is subtracted from 3s or if it should be -12+21 first and add it to 3s
3s-12+21<27 3s-12+21<27
3s+9<27 3s-33<27
3s<18 3s<-6
s<6 or s<-2
Click here to see answer by jim_thompson5910(35256)

Question 264839: -2 (x + 1) + 3x = 14
Click here to see answer by mananth(16946)

Question 265149: -5x + 6 = -115 + 6x

Click here to see answer by checkley77(12844)

Question 265277: The sale price of a sweater is $48. The price is 20% less that the original price. What was the original price?
Click here to see answer by stanbon(75887)

Question 265318: graphing inequalities, I understand step one, but no further.
Example:
3x+7y > 7
change to equals
3x+7y=7
So where do I go from here and how do I get the numbers( ?,?) to plug ion and be able to graph these questions? I hope that makes sense.
Click here to see answer by jim_thompson5910(35256)

Question 265393: Hello my equation is
Write the verbal sentence as an equation or an inequality:
Four is greater than six times a number t.
Thank you for your help, and I will post thanks to your page

Click here to see answer by mananth(16946)

Question 265422: write an inequality for this sentence: the sum of x and 3 is greater than 20,
my answer was x + 3 > 20
Click here to see answer by Alan3354(69443)

Question 265535: can you help me with this one please?
Solve the inequality. Give the result in interval notation.
4x + 6 < 10 or 2x − 9 > 5
Click here to see answer by Theo(13342)

Question 265659: I seem to be having trouble with a few questions my main one being.....two cars leave Denver at the ame time and travel in opposite directions. One car travels 10mi/h faster than the other car. The cars are 500mi apart in 5 hr. How fast is each car traveling? i would really appreciate some help i dont want just the answer i want help with it and for it to be explained? PLEASE!!!!
Click here to see answer by checkley77(12844)

Question 265384: Hello my question is
Write an equation or inequality to model the situation:
The perimeter of a square with a side length s is greater than or equal
to seventy plus five.
Thank you for your help, and I will post thanks to your page
Click here to see answer by ankor@dixie-net.com(22740)

Question 266151: Solve (describe the complete solution set)
3/5 (3x-3)>9
Click here to see answer by rfer(16322)

Question 266254: 3x-2/5=7/10

Click here to see answer by asuar010(338)

Question 265762: If X>2, then (X^2-X-6)/(X^2-4)= ?
I'm told the answer is (X-3)/(X-2) but I can't figure out HOW! PLEASE show step-by-step how they came up with that.
Click here to see answer by Alan3354(69443)

Question 266464: A machinist must make a bushing that has a tolerance of 0.005 in. The diameter of the bushing is 4.32 in. Find the lower and upper limits of the diameter of the bushing
Click here to see answer by Theo(13342)

Question 266931: -3<2-5x<= 12 express answer as a solution set
Click here to see answer by JBarnum(2146)

Question 267103: A certain kind of animal weighs about 79 pounds at birth and gains about 2 pounds per day for the first few weeks. Determine those days for which the animal's weight is more than 133 pounds.
The animal's weight is more than 125 pounds when the animal is more than ______ days old.

Click here to see answer by richwmiller(17219)

Question 267234: how to use formula A=s^2 for square 11 in length/11 in width
Click here to see answer by drk(1908)

Question 267347: hey i really need help -5a+9>24
Click here to see answer by checkley77(12844)

Question 267578: 2x+5y=3
-x+3y=-7
Click here to see answer by checkley77(12844)

Question 267751: Help, solve inequality for x variable 27-11x >14x-18
thanks
Click here to see answer by stanbon(75887)

Question 267983: Mike and Susan both drive for a shipping company. Mike Averages 20 mph less than Susan. In fact, Mike drives so slow that in 5 hours, he covered fewer miles than Susan did in 3 hours. What are the possible values for Mikes speed? express your answer with an inequality
Click here to see answer by josmiceli(19441)

Question 268630: 5x/6-5>x/6-9
Click here to see answer by stanbon(75887)

Question 268631: 7<3x+16<46
Click here to see answer by user_dude2008(1862)

Question 268952: 84+4x>8(x+9) the sign means greater then and equal to 4 x

Click here to see answer by stanbon(75887)

Question 268951: 8-x<9 The sign suppose to be a greater than and equal to 9 it has a little line underneath it
Click here to see answer by Alan3354(69443)

Question 269050: Please help me solve this problem:
(x+2)(x-8)(x+1)>0
Use at least one inequality or compound inequality to express your answer. For answers with more than one inequality seperate the inequalities by a comma.
thanks.
Click here to see answer by persian52(161)

Question 269235: Write inequality, solve problem, check solution.
three times the sum of a number and seven is greater than five times the number minus 13
3(x)+7>5(x)-13 (is this right) How do I solve?
Click here to see answer by dabanfield(803)

Question 269622: 2(x-1)+3=x-3(x+1)what is x?
Click here to see answer by stanbon(75887)

Question 269622: 2(x-1)+3=x-3(x+1)what is x?
Click here to see answer by drk(1908)

Question 269888: a salesperson is paid a monthly commission of 45% of all sales over $3000. What monthly sales will generate a commission greater than $3600?
how do I solve this?
Click here to see answer by checkley77(12844)

Question 270826: 11>2+3x
Click here to see answer by JBarnum(2146)

Question 271034: −p+ 6p<=4+6p
Click here to see answer by JBarnum(2146)

Question 270945: this is solving equations and inequalities
33+15w=3w-w+4w
Click here to see answer by rfer(16322)

Question 271331: If a prepaid cell phone cost 11 cents per a minute , and you spent $30 on the bill , how many minutes did you use ?
Click here to see answer by JBarnum(2146)

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