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

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Question 559840: the avarage number of cucumber seeds in a package is 25. the number of seeds in the package can vary by three. find the range of acceptable numbers of seeds in each package.?
Click here to see answer by rfer(12660)

Question 559936: what is 83.26 more than 12 times a number is 246.46. what is that number?
Click here to see answer by bluemockingjay7(41)

Question 559917: The length of a rectangle is three times its width. If the perimeter is at most 112 centimeters, what is the greatest possible value for the width?
Click here to see answer by bluemockingjay7(41)

Question 560227: train A and train B are traveling in the same direction on parallel tracks. Train A is traveling at 40 miles per hour and train B is traveling at 48 miles per hour. Train A passes a station at 5:25 a.m. If train B passes the same station at 5:55 a.m., what time will train B catch up to train A?
Click here to see answer by mananth(12270)

Question 560553: 6+b-7<5
Click here to see answer by jim_thompson5910(28595)

Question 560673: How do I solve this inequality?
x^2-3x<0
I didvided both sides with -3
and got
2x^2<0
fromthere I got lost I am unsure what to do next or if I even did that first part right.
Click here to see answer by Maths68(1474)

Question 560710: Find the slope of a line parallel to the line through the points (-3, -10) and (-9, 2)
If you can help it would be much appreciated!!! I'm extremely confused
Click here to see answer by jim_thompson5910(28595)

Question 560715: Please help me with the following question: determine the value of r so that the line that passes through the points (-9, 1) and (r, -5) has slope -1
I've tried this:
m= (-5-1)/(r-3)=-1
And got the answer of 3 and then checked it and found it as wrong.
If you can help it would be much appreciated!!
Click here to see answer by jim_thompson5910(28595)

Question 560812: Solve the inequalities.
1-x=>8x+46
8<=2 - y
Thanks for the help.
Click here to see answer by jim_thompson5910(28595)

Question 560862: Please help me with the following equation quickly it would be much appreciated!!
Equation 1+2(4x+8)=9x+7
Click here to see answer by rfer(12660)

Question 560868: Please help me with the following equation quickly it woul be much appreciated!!
5/12=3/4-x/6
Click here to see answer by rfer(12660)

Question 560891: Please help me with the following question it would be much appreciated!!
An amusement park charges $11.00 for admission and $3.00 per ride. Write an equation for the relationship between the total cost y and the number of rides x. What is the y-intercept?
If you can help thank you!!
Click here to see answer by stanbon(57361)

Question 561024: why ax<4 is not the same as x<4/a
Click here to see answer by jim_thompson5910(28595)

Question 561132: y= 0.002x -0.10, determine approximate profit, y in dollars, of producing x items. How many items must be produced to profit at least $4031. I need the 5 step process, please.
Click here to see answer by josmiceli(9681)

Question 561370: 3x+4 is less than or equal to 31
I have no idea how to solve multi step inequalities I would appeciate a thorough explanation, thank you morgan
Click here to see answer by jim_thompson5910(28595)

Question 561964: 2x-3>x
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Question 563166: total revenue is the total amount of money that is taken in by a business. If an appliance firm determines, that when it sells x washing machines, the total revenue r in dollars, is given by the polynomial R=221.5x-0.02x^2. What is the total revenue of selling 107 washing machines?
Click here to see answer by solver91311(16897)

Question 563199: what is 2y+3=27?
Click here to see answer by Alan3354(30993)

Question 563161: the mass of Uranus is about 8.700x+10^22 metric tons. The mass of the sun is about 1.998x10^27 metric tons. About how many times is the mass of Uranus is the mass of the sun?
Click here to see answer by Alan3354(30993)

Question 563352: 5x-6+1<-10
Click here to see answer by jim_thompson5910(28595)

Question 563510: Hoe do I solve graph and explain
9-x>4
Click here to see answer by jim_thompson5910(28595)

Question 563524: Solution to -(10x-1)>96
Click here to see answer by fcabanski(874)

Question 563329: How do you know if a value is a solution for an inequality? How is this different from determining if a value is a solution to an equation?

Click here to see answer by richard1234(5390)

Question 563636: -2(2p+6)+5<-3(p-1)

Click here to see answer by jim_thompson5910(28595)

Question 563665: I need help..please

Solve and graph the compound inequality.
x+10<-2 or x+10>4
Click here to see answer by jim_thompson5910(28595)

Question 563568: Solve the inequality
x^2+13x>-36
What I did:
x^2+13x>-36 (add 36 to both sides)
x^2+13x+36>0 (Then I factored)
(x+4)(x+9) (this becomes)
x=-4 x=-9 (now I am stuck)
it is either (-9,-4) or (-Inf,-9)U(-4,Inf) I can't figure it out

Click here to see answer by richard1234(5390)

Question 563847: solve:

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Question 564077: I need help with linear inequalities by graphing:
y>-5x+10
y<-2x+15
Thank you!
Click here to see answer by stanbon(57361)

Question 564091: Hi!
I need help on an inequality involving absolute value. The problem is |(1/x)-3|>6. I broke the inequality into 2 equations, (1/x)-3>6 and (1/x)-3<-6. I then proceeded to get the equations, (1/x)>9 and (1/x)<-3. I am stuck from here. The answer I should get is (-(1/3),0) union (0,(1/9)). Thank you for any help you can give me.
Click here to see answer by stanbon(57361)

Question 564112: I need help with inequalities.
"Write the following inequality in slope-intercept form."
4x-2y>-24
Thank You!
Click here to see answer by stanbon(57361)

Question 564749: 3/10(e-2) is less than or equal to 3/5e - 1/4
I'm fairly sure I'm supposed to find the least common denominater (?) for the fractions, which is 20, and would change the fractions to 6/20, 12/20, and 5/20, but if that's right, do I also multiply (e-2) by 20? I'm so confused. Thank you!
Click here to see answer by lwsshak3(6509)

Question 564988: the product of the page numbers on 2 facing pages of a book is 156. find the page numbers.
Click here to see answer by Alan3354(30993)

Question 564837: Please help me with this:
Solve using the addition and multiplication principles.
34>4-6x
Click here to see answer by ankor@dixie-net.com(15653)

Question 564986: there are n teams in a league and the number of games played is given by the polynomial n^2-n=N. A woman's softball league has 7 teams. what is the total number of games to be played?
Click here to see answer by ad_alta(240)

Question 565111: |2x+5|-1<6

Click here to see answer by jim_thompson5910(28595)

Question 565106: To ride an amusement park ride you must be 48 inches or taller
Write the inequality to represent The situation
Click here to see answer by jim_thompson5910(28595)

Question 565143: What is the answer to
X-9 greater than or equal to -5
Click here to see answer by jim_thompson5910(28595)

Question 565211: please help me understand Factoring and Inequalities, problem (x+1)(x+4)
Click here to see answer by rfer(12660)

Question 565386: What is the answer to this inequality 3\4 - m >8
Click here to see answer by josmiceli(9681)

Question 565947: Solve the compound inequality. 3(x-4)<9 or x+1>5
Click here to see answer by lwsshak3(6509)

Question 566075: Solve the inequality - 4x < -7
Click here to see answer by Alan3354(30993)

Question 566086: Solve the inequality: 3x + 2 ≤ 1
Click here to see answer by Alan3354(30993)

Question 566117: I am taking and online algebra class in college and my professor gave us a project and one of the questions is to solve this equation:
7[-6+5(-3+5)]
When I do the problem I keep getting -14. However my calculator keeps showing the answer as 28. I feel dumb because it is not a hard problem to figure out but I cannot seem to figure out what the correct answer is. Please help!
Click here to see answer by Edwin McCravy(8909)

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