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

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Question 1047293: Isaac and Shonda can rent a canoe for $12 per day and they can rent
mountain bikes for $9 each per day. Together, they have $138 to spend. Let
c be the number of days they can rent a canoe and let m be the number of
days they can rent a mountain bike. Which inequality can Isaac and Shonda
use to determine a possible number of days they can rent a canoe and two
mountain bikes?
A. 9c + 12m < 138
B. 12c + 9m < 138
C. 12c + 18m < 138
D. 18c + 12m < 138
Click here to see answer by Boreal(15235)

Question 1047314: y>1/2x-4
Click here to see answer by josgarithmetic(39615)

Question 1047314: y>1/2x-4
Click here to see answer by stanbon(75887)

Question 1047227: Solve the following inequality.
Write the solution set using interval notation and graph the solution set on a number line: 7x-2<5 or 5x-10>5
Please graph on a number line
Click here to see answer by josgarithmetic(39615)

Question 1047626: Solve the equation of a number decreased by 7 is at most 13
Click here to see answer by stanbon(75887)

Question 1047636: To qualify for a secretarial position,a person must type at least 54 words per minute
Click here to see answer by ikleyn(52769)

Question 1047639: To fly efficiently, the airliner must cruise at or between altitudes of 30,000 and 35,000 ft.
Click here to see answer by ikleyn(52769)

Question 1047737: Solve the following exponential inequalities:
1) (1/10)^x+5 >_ (1/100)^5x
Click here to see answer by Alan3354(69443)

Question 1047858: Allowable values in 12/m
Click here to see answer by MathLover1(20849)

Question 1047896: 4/x-3
Click here to see answer by Alan3354(69443)

Question 1047895: Moving van rentals : Stringer Truck Rentals will rent a moving van for $15.75/day plus &0.35/mi. Hertz Van Rentals will rent the same van for $25/day plus $0.30/mi. How many miles m must the van be driven to make the cost st Bertz a better deal on a one-day rental?
Click here to see answer by stanbon(75887)

Question 1047921: 4 /x-3
Click here to see answer by Alan3354(69443)

Question 1047908: What is the square root of y+7
Click here to see answer by Alan3354(69443)

Question 1047910: What is the square root of 12-2x
Click here to see answer by ikleyn(52769)

Question 1047918: Exam score : Jacques is going to college on an academic scholarship that requires him to maintain at least a 75% average in all his classes. So far he has scored 82%, 76%, 65%, and 71% on four exams. What scores are possible on his last exam that will enable him to keep his scholarship?
Click here to see answer by ewatrrr(24785)

Question 1047909: What is the square root of b-4/3
Click here to see answer by Alan3354(69443)

Question 1048399: Solve the following inequality. Write the solution set using interval notation.

6/5 x -1/4≤11/25 x-4/5
can you please show steps

Click here to see answer by MathLover1(20849)

Question 1048360: A farmer has 180 yards of fencing material to make a rectangular pen subdivided into 3 smaller pens. If the total length of the pens is to be 60 yards at most , how wide can the rectangle be? Solve this using inequalities
Click here to see answer by ewatrrr(24785)

Question 1048542: a one way ride on a subway costs 0.90. A monthly pass costs 24.00. Write an inequality that represents how many one way rides you can buy before it is cheaper to buy the monthly pass. is cheaper to pay the one way fare for 25 rides?
Click here to see answer by ewatrrr(24785)

Question 1048359: A building contractor estimated the cost of construction on a house would be between $235,000 and $297,000. He has already spent $164,000. How much more can he spend and remain within his budget?
Click here to see answer by jorel555(1290)

Question 1048543: a woodworker wants to earn at least $25 an hour making and selling cabinets. He pays $125 for materials. Write and solve an inequality that represents how many hours the woodworker can spend building the cabinet.
Click here to see answer by ewatrrr(24785)

Question 1049037: According to statistics, a person will devote 35 years to sleeping and watching TV. The number of years sleeping will exceed the number of years watching TV by 19. Over the lifetime, how many years will the person spend on each of these activities?
Click here to see answer by jorel555(1290)

Question 1049270: -4m >= -4
Click here to see answer by josgarithmetic(39615)

Question 1049270: -4m >= -4
Click here to see answer by ikleyn(52769)

Question 1049639: How do I Answer The Following Questions?
(3x+1/2)+(7x-4 1/2)
(-0.25x-3)-(1.5x+1.4)
Click here to see answer by MathLover1(20849)

Question 1049762: I need help please. Please solve polynomial inequality and express solution set in interval notation x^2-3x-28<0
Thank You
Holly
Click here to see answer by ikleyn(52769)

Question 1049762: I need help please. Please solve polynomial inequality and express solution set in interval notation x^2-3x-28<0
Thank You
Holly
Click here to see answer by Alan3354(69443)

Question 1049930: The solution of the inequality
|x| ≤ 13
is the following interval.
Click here to see answer by Fombitz(32388)

Question 1050099: [(-x-2)/2] - [(1-5x)/8] <-1
Click here to see answer by addingup(3677)

Question 1050331: For a recent year, the monthly snowfall (in inches) for Chicago, Illinois, for November, December, January and February was 2, 8.4, 11.2, and 7.9, respectively. How much snow would be necessary in March for Chicago to exceed its monthly average snowfall of 7.28 in. for these five months?
Click here to see answer by Fombitz(32388)

Question 1050607: Which values are solutions to the inequality below? Check all that apply.
x2 81 A. -9
B. 81
C. 5
D. 7
E. 10
F. no solutions
Click here to see answer by Fombitz(32388)

Question 1050705: -4u+5<13
Click here to see answer by ewatrrr(24785)

Question 1050704: -4u+5<14
Click here to see answer by ewatrrr(24785)

Question 80962: I am taking an algebra class online and I have no idea how to work this problem. Could you please help?
Problem:
< <=
All help is greatly appreciated!
Jacesmom
Click here to see answer by Zucchini(70)

Question 1050884: (2+3)�=
Click here to see answer by Alan3354(69443)

Question 1050883: The triangle inequality theorem states that the sum of the lengths of any two sides of a triangle is greater than the length of the third side. The lengths of two sides of a triangle are 12 ft and 21 ft. Find the possible lengths of the third side
Click here to see answer by Alan3354(69443)

Question 1050847: Graph the following and write using set-builder notation.
X = {x|x ≥ -1}
Y = {x|x < 2}
Z = {x|x < -4}
a. X ∩ Y
b. X ∪ Y
c. Y ∩ Z
d. X ∩ Z

Click here to see answer by solver91311(24713)

Question 1050928: Determine an expression for f(x) in which f(x) is cubic, f(x) is equal to or greater than 0 when x is less than or equal to 2 and when, f(x)<0 when x>2, and f(0)=4.

Click here to see answer by Fombitz(32388)

Question 1051072: Please help I need to define a variable, write an inequality and solve each problem. My question is Two times the sum of a number and four is no more than three times the sum of the number and seven decreased by four.

Click here to see answer by Boreal(15235)

Question 1051074: Please help I need to define a variable, write an inequality and solve each problem. Geometry The area of a triangular garden can be no more than 120 square feet. the base of the triangle is 16 ft. what is the height of the triangle

Click here to see answer by josgarithmetic(39615)

Question 1051042: A board is to be cut to a length of 24 in. The measurement error is no more than 0.02 in. Let x represent the actual length of the board.
A. Write an absolute value inequality that represents an interval in which to estimate x.
B. Solve the inequality from part (a) and interpret the meaning.
Click here to see answer by Fombitz(32388)

Question 1051253: Berts bank contains twice as many nickels as quarters and 3 more dimes than nickels. If the coins are worth more than 5 dollar, atleast how many dimes does he have?
Click here to see answer by ewatrrr(24785)

Question 1051330: what is the solution of
-3 < x - 5 < -1
Click here to see answer by solver91311(24713)

Question 1051426: Which notation represents the compound inequality x ≥ -2 and x <4 using interval notation?

Click here to see answer by ewatrrr(24785)

Question 1051432: Which notation represents the compound inequality x ≥ -2 and x <4 using interval notation?
x e(-∞,-2]
x e(-2,4)
x e[4,∞)
x e[-2,4)
Click here to see answer by ewatrrr(24785)

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