Tutors Answer Your Questions about Inequalities (FREE)
Question 371871: Is the inequality -x-4y>3 in the correct form for graphing? Briefly explain.
PLEASE help me!! I need an answer for this very soon, and I'm stuck. My book does not explain how to do this kind of problem, so I have no clue what to do. I'd really appreciate some help with this!! Thank you. :)
Click here to see answer by mananth(16946)   |
Question 372382: Find the range of the relation. {(-1, -4), (0, -9), (7, -9), (-6, -7)}
A.
{-9, -7, -4, 0}
B.
{-9, -7, -4}
C.
{-9, -7, -6, -4, -1, 0, 7}
D.
{-6, -1, 0, 7}
Click here to see answer by nyc_function(2741)  |
Question 372727: i have no idea how to do this problem: on her last two math tests has scores of 83 and 92 asumming she can not score any higher then 100. determine all possible scores lisa can score to have an average of 90 on all three tests. represent your answers algabraically and graphically
Click here to see answer by Fombitz(32388)  |
Question 374026: You are in charge of a banquet for your family reunion. The cost is $5.50 per children plate and $12.00 per adult plate. The total number of people is 546. The total bill for the food is $5115.50. Using a for adult plate and c for child plate, write an equation to represent the number of adults and children present.
Click here to see answer by checkley79(3341) |
Question 374759: Hi I'm doing a test revision on some problems I got wrong on an assessment 3 weeks ago. This is one of the four problems I got wrong:
4z-2(z+5)<=8z
(<= stands for less than or equal to)
Thanks for taking the time to help me!
Click here to see answer by Fombitz(32388) |
Question 374759: Hi I'm doing a test revision on some problems I got wrong on an assessment 3 weeks ago. This is one of the four problems I got wrong:
4z-2(z+5)<=8z
(<= stands for less than or equal to)
Thanks for taking the time to help me!
Click here to see answer by mananth(16946) |
Question 375571: which of the following expressions is equivalent to 20 - 4/5 x > (the > has a line under it) 16?
i tried 20/1 - 4/5 and got 16/5
then i think converted down it would be 5
so would it be x > 5 (> having a line under it)?
i am probably wrong but i tried.. algebra is not my strong point at all...
Click here to see answer by jim_thompson5910(35256) |
Question 375697: Systolic blood pressure, the upper number in a blood pressure reading, is measured as your heart muscle contracts. The equation:
P ≤ 1/2(a) + 110
gives the normal systolic blood pressure P based on age a.
Click here to see answer by robertb(5830)  |
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