Tutors Answer Your Questions about Inequalities (FREE)
Question 244915: i need sum help on my math we are learning inequalities right now with greater than and less than signs i am really gettin confused about this stuff can u please give me some advice on how to do this like some kind of easy way and cann u please help me and tell how i can be a better math student i like algebra but it is jus gettin a little to much for me i get it but sometimes i think its right but i worry that it is not what can i do?
Click here to see answer by stanbon(75887)  |
Question 245645: Karen traveled almost 350 mi in under 7 h of highway driving. She stopped
for a brief rest that was not included in her driving time. Karen averaged 60 mi/h for
the first part of her trip and 50 mi/h for the second part of the trip. Write and graph
a system of inequalities that can be used to determine how many hours Karen spent
driving in each part of her trip.
Click here to see answer by TheProdicalSon(34) |
Question 247533: Hi there. I'm in seventh grade Algebra 1 and I was kind of confused on a hw problem. If, in an inequality, there are two numbers and a negative variable (e.g. 4<-2x<12) am I supposed to change the number's side's inequality once, or change both of them when dividing -2 into 4 and then again for the 12?
Did that make sense?
What I'm trying to say is, how do I switch the inequalities? Do I only change the first one when I'm dividing 4 by -2 and then the second when I'm dividing 12 by -2? Or should I switch both when I'm dividing 4 by -2, and then both again when I'm dividing 12 by -2?
Grazi!
Paula
Click here to see answer by checkley77(12844) |
Question 248028: Find the greatest possible pair of integers such that one integer is twice the other and their sum is less than 30.
I tried x+2x<30
3x<30
x<10
but I know that is not correct and I can not understand what I am forgetting to do in my calculation, please help, thank you
Click here to see answer by oberobic(2304) |
Question 249824: Write an inequality in the variable x
for the degree measure of the smallest angle of the triangle
shown in the figure, given that the degree measure of the
smallest angle is at most 30°
I believe x<30, but I can't seem to go any further.
Click here to see answer by stanbon(75887) |
Question 249824: Write an inequality in the variable x
for the degree measure of the smallest angle of the triangle
shown in the figure, given that the degree measure of the
smallest angle is at most 30°
I believe x<30, but I can't seem to go any further.
Click here to see answer by dabanfield(803) |
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