Tutors Answer Your Questions about Linear-systems (FREE)
Question 1013797: Average movie prices in the United States are, in general, lower than in other countries. It would cost $81.22 to buy three tickets in Japan plus two tickets in Switzerland. Three tickets in Switzerland plus two tickets in Japan would cost $77.18 . How much does an average movie ticket cost in each of these countries?
In Japan the average cost is $___
In Switzerland the average cost is $___
Click here to see answer by solver91311(24713)   |
Question 1013766: baseball outs. In a game, 12 of a baseball team's 27 outs were fly balls. 25 percent of the outs made by infielders and 100 percent of the outs made by outfielders were fly balls.
a. Write a linear systen=m you can use to find the number of outs made by infielders and the number of outs made by outfielders.
b. Graph your linear system
c. How many outs were made by infielders? How many outs were made by outfielders?
Click here to see answer by Theo(13342)  |
Question 1013928: Pure acid is to be added to a 10% acid solution to obtain 90 L of a 20% acid solution.
What amounts of each should be used?
____ L of pure acid solution and ____ L of 10% acid solution.
P.S: I sort of know the formula to the problem already. If you aren't going to answer the question, can you please explain the steps and formula thoroughly. Thank you!
Click here to see answer by Alan3354(69443)  |
Question 1013927: at a fast food restaurant, a family bought 4 hamburgers and 3 bags of french fries for 4.20. at the same time, a family traveling with them bought 5 hamburgers and 2 bags of french fries for 4.55. what was the cost of one hamburger and one bag of french fries? what was the cost if you ordered 5 hamburgers and 4 french fries?'
Click here to see answer by ikleyn(52786)  |
Question 1013927: at a fast food restaurant, a family bought 4 hamburgers and 3 bags of french fries for 4.20. at the same time, a family traveling with them bought 5 hamburgers and 2 bags of french fries for 4.55. what was the cost of one hamburger and one bag of french fries? what was the cost if you ordered 5 hamburgers and 4 french fries?'
Click here to see answer by lwsshak3(11628) |
Question 1013885: Average movie prices in the United States are, in general, lower than in other countries. It would cost $81.22 to buy three tickets in Japan plus two tickets in Switzerland. Three tickets in Switzerland plus two tickets in Japan would cost $77.18 . How much does an average movie ticket cost in each of these countries?
Japan the average cost is $___
Switzerland the average cost is $___
Click here to see answer by ankor@dixie-net.com(22740)  |
Question 1014004: a rectangular piece of cardboard has an area of 150 square centimeters. By cutting a square 2 centimeters wide on each side each of the four corners and folding up the sides, an open box body is formed having a volume of 132 cubic centimeters. Find the length and width of the original cardboard
Click here to see answer by stanbon(75887) |
Question 1014742: The water company has a different pricing plan for residential customers than for business customers. For each pricing plan, cost (in dollars) depends on water used (in hundreds of cubic feet, HCF), as shown below.
If the monthly water usage is 18 HCF, which plan costs more? How much more does it cost than the other plan?
Write “residential” or “business.” Then type a comma and the dollar amount of the price difference.
Click here to see answer by macston(5194)  |
Question 1014950: Which linear system has been correctly solved for one of the variables from the following system?:
2x - y = -1
2x + y = -7
a. 2x - y = -1 y = 2x - 7
b. 2x - y = -1 y = -2x + 7
c. y = 2x + 1 2x + y = -7
d. y = -2x + 7 2x + y = -7
Click here to see answer by rothauserc(4718)  |
Question 1015002: Thanks in advanced
A student uses the substitution method to solve the system of equations below algebraically.
x = 4y + 5
x = 3y - 2
Which equivalent equation could be used?
a. y = 3(4y + 5) - 2
b. x = 3(4y + 5) - 2
c. x = 4(3y - 2) + 5
d. 4y + 5 = 3y - 2
Click here to see answer by Fombitz(32388)  |
Question 1015002: Thanks in advanced
A student uses the substitution method to solve the system of equations below algebraically.
x = 4y + 5
x = 3y - 2
Which equivalent equation could be used?
a. y = 3(4y + 5) - 2
b. x = 3(4y + 5) - 2
c. x = 4(3y - 2) + 5
d. 4y + 5 = 3y - 2
Click here to see answer by fractalier(6550)  |
Question 1015007: Thanks!
In which line is a mistake first made when solving the following system of equations by substitution?
3x + y = 9
-2x + y = 4
Line 1
y = -3x + 9
-2x + y = 4
Line 2
3x + (-3x + 9) = 9
Line 3
3x - 3x + 9 = 9
Line 4
9 = 9
Click here to see answer by ValorousDawn(53)  |
Question 1015007: Thanks!
In which line is a mistake first made when solving the following system of equations by substitution?
3x + y = 9
-2x + y = 4
Line 1
y = -3x + 9
-2x + y = 4
Line 2
3x + (-3x + 9) = 9
Line 3
3x - 3x + 9 = 9
Line 4
9 = 9
Click here to see answer by Boreal(15235)  |
Question 1015617: Thanks in advanced!
in which line is a mistake first made when solving the following system of equations by elimination for s?
2r + 7s = 11
r - 9s = -7
Line 1
2r + 7s = 11
2(r - 9s = -7)
Line 2
2r + 7s = 11
2r - 18s = -14
Line 3
-11s = -3
Line 4
s = 11/3
Click here to see answer by Alan3354(69443) |
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