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Tutors Answer Your Questions about Inequalities (FREE)
Question 204760: Two full juice boxes weigh as much as 18 grapes and one half-full juice box. An empty juice box weighs as much as 6 grapes. A full juice box then weighs as much as how many grapes? How much does the contents of one juice box, without the box, weigh in grapes?
Click here to see answer by alicealc(98)   |
Question 204875: Ike’s age is three years more than twice his younger brother’s age. If the sum of their ages is at most 18, then find:
(a) the greatest age that Ike’s brother could be.
(b) an inequality that represents all possible values of Ike’s age (allowing for fractional years), given that his younger brother is at least 2 years old.
Click here to see answer by rfer(2688) |
Question 205272: Christian D'Angelo has scores of 68, 65,75, and 78 on his algebra tests. Use a compound inequality to find the scores he can make on his final exam to received a C in the course. The final exam counts as two tests and a C is received if the final course average is from 70 to 79.
Click here to see answer by alicealc(98) |
Question 205790: John Bought a computer scanner and supplies for $215.70,which will allow him to scan images for $0.34 each. A computer charges $0.59 to scan each image. How many images must John scan before his total cost is less than getting scanned images at the computer center?
(A) John must scan more than 863 images
(B) John must scan more than 862 images
(C) John must scan more than 788 images
(D) John must scan more than 768 images
Click here to see answer by Targetweek(62) |
Question 206075This question is from textbook
: The formula R= - 0.0065t + 4.3222 can be used to predict the world record, in minutes, for the 1-mi run t years after 1900. Determine in terms of an inequality) those years for which the world record will be less than 3.7 minutes.
I have tried working this problem numerous ways. I just do not know what I am missing. Please help. This question is from textbook
Click here to see answer by stanbon(26259) |
Question 206106: The coolant in Tom's car is effective for radiator Temperatures of less than 80 degress Celsius. What would be the corresponding temperature range in degrees Fahrenheit? (use C=5/9(f-32) in your inequality.)
Click here to see answer by Marth(57) |
Question 206155: If you replace the equal sign of a equation with an inequality sign, is ther evert time when the value will be a solution to both the equation and the inequality. Write an inequality and provide a value that may or may not be a solution to the inequality.
Click here to see answer by solver91311(5072)  |
Question 206353: Can someone please help me solve these problems, x/14-85>6 and 23>12-x/9? I have no idea how to solve these inequalities, and it would be greatly appreciated if you could help me solve them. thanks.
Click here to see answer by vleith(1977) |
Question 206917This question is from textbook 
: A professor announces that course grades will be computted by taking 40% of a student's project score (0-100 points) and adding 60% of the student's final exam score (0-100 points). If a student gets an 86 on the project, what scores can she get on the final exam to get a course grade of at least 90?This question is from textbook
Click here to see answer by RAY100(1637) |
Question 207146: Jenny wants to utilize a portion of her garden for growing flowers. Being a designer herself, she visualizes a triangular area with different lengths for each side. For this Jenny decides to keep a side of the triangular area 3 feet shorter and the other 2 feet longer than the third side. She also wants to restrict the perimeter of the triangular area to 32 feet, so that it does not cover a huge area of the garden. Determine the maximum length of each side of the triangular area that Jenny has visualized.
Click here to see answer by ankor@dixie-net.com(6691)  |
Question 207951: You are in the market for a new home. You're looking at a housing community. As you leave the housing community, you notice another new community just down the road. Because you're in the area, you decide to inquire about it.
a) The sales rep. here tells you they have two floor plans available, but only have 38 homes available. Write an equation that illustrates the situation. Use x and y to denote floor plan #1 and floor plan #2, respectively.
b.) The representative tells you that floor plan # 1 sells for $175,000 and floor plan # 2 sells for $200,000. He also mentions that all the available homes combined are worth $7,200,000. Write an equation that illustrates this situation. Use the same variables you used in part a).
c.) Use elimination to determine how many houses with each floor plan are available. Explain how you arrived at your answer.
Click here to see answer by rfer(2688) |
Question 208106: when you solve linear equations do you have to add {} to your final answer?
for example:
3x+7>28
..-7.-7
3x>21
/3./3
x>7 --this would be the answer, corrert, but the FINAL ANSWER would be
{x|x>7}
is this correct or is this only added to absolute value inequalties?
the problem was from the book :algebra 2 by mcdougal littell
it was on page 941 question number 41
Click here to see answer by jim_thompson5910(13787) |
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