Tutors Answer Your Questions about Linear-systems (FREE)
Question 833313: How much low fat milk (1% fat) and how much whole milk (4% fat) should be mixed to make 5 gallons of reduced fat milk (2% fat)? Please solve with the systems of linear equation.
Work done so far:
low fat milk= x
whole milk= y
reduced fat= t
0.01x+0.04y= 5x+0.02t
Click here to see answer by Alan3354(69443)   |
Question 833949: I need help I'm studying a test and my teacher gave me thee 8 problems as a review. I know that is is a little much to do 8 problems but I do not no what to do at all then I will just fail the test
Thank u
Btw these are 2x2
Y=2x-10
2y=x-8
Y=-x+4
Y=3x
2y=x+1
-2x-y=7
X+2y=14
Y=3x-14
2x-3y=14
Y=1/2x-7/2
-3x-2y=5.5
X+3y=7.5
6x-4y=54
-9x+2y=-69
Y=-x/2-4
-2x-y=-5
Please answer these questions ASAP I need them for tonight so I can study also answer them in substition
Click here to see answer by Alan3354(69443) |
Question 834634: What is the value X if 2x+5=10??
If 12x=4(x+3) then x equals??
If u multiply an inequality by a negative number,
When should u reverse the inequality symbol??
Which set of point is in the solution set for the system of inequalities:x-y>1 and y <2x-.
Solve for c: 5c-4-2c+1=8c+2
Solve: 2x-5>x-2
Solve for y: y2-81=0
Solve for m: 8(m+5)=16
Solve for x:0.7x+2(x-3)=0.2x+3
Click here to see answer by Fombitz(32388)  |
Question 835464: P’1(t)=P1(t)(1-(a+b))+P2(t)c+P3(t)e
P’2(t)=P1(t)a+ P2(t)(1-(c+d))+P3(t)f
P’3(t)=P1(t)b+P3(t)d+ P2(t)(1-(e+f)
can you help to solve for the function. P1(t), P2(t), P3(t) using laplace transform simultaneous linear equation.
thank you!
Click here to see answer by Fombitz(32388) |
Question 835592: Kay spends 250 min/wk exercising. Her ratio of time spent on aerobics to time spent on weight lifting is 3 to 2. How many minutes per week does she spend on aerobics? How many minutes per week does she spend on weight training?
Click here to see answer by stanbon(75887) |
Question 835695: hello, We have a story problem, and have to solve it with a linear equation, either substitution, elimination, tables, y1-y2, or graphs. We have tried the substitution method on this problem, and can't seem to figure out what we are doing wrong. is there something different we need to be doing?
Antonio loves to go to the movies. he goes both at night and during the day. The cost of a matinee is $6.00. The cost of an evening show is $8.00. If antonio went to see a total of 12 movies and spent $86, how many night movies did he attend?
Thank you
Click here to see answer by josgarithmetic(39617) |
Question 836136: The total cost of five ice creams and four smoothies is 9.20. The total cost of three ice creams and six smoothies id 8.40
5x + 4y =9.20
3x + 6y =8.40
By solving these equations find the cost of an ice cream and the cost of a smoothie.
Click here to see answer by checkley79(3341) |
Question 836266: A chemical engineer wanted to etch glass with an acidic solution. The solution that he had had a 25% acid content. This is too weak. He wanted to raise the content to 40%. He added 800g of acid to the solution and raised the content to 40% What was the size of the original solution?
Click here to see answer by ankor@dixie-net.com(22740)  |
Question 836469: can you solve this system of linear equation by graphing please and show me how you did it.
Like how you found the equations to make the graph
353 people attend a local play at a private club. Members get tickets for $2.75, while non-members have to pay $6.50. If the total gate for the play came to $1762, how many members and non-members came to the play?
Click here to see answer by richard1234(7193)  |
Question 836565: You have two cans of paint. Can A contains 80% red paint and 20% blue paint. Can B contains half blue and half red. How much blue paint should be added to 3 liters of can A to make it the same as can B?
I've tried setting this up in a table but I just can't figure this problem out!
Click here to see answer by josmiceli(19441)  |
Question 836886: Identify the solution(s) of the system of equations, if any.
3x+2y=4 and 5x-4y=3
My options for answers are
(1,.5)
(.5, 1)
(5, 5.5)
(5/11, -2/11)
I asked for help on a question similar to this only the 2nd problem was already in the y=mx+b format. Not sure if this would be done the same way?
Click here to see answer by richwmiller(17219)  |
Question 836895: How do I find the solution for x=1 and y=1? It is a multiple choice answer question, but I am unsure how to work out the problem? The options for answer are no solutions, infinate many solutions, (0,0), and (1,1).
Click here to see answer by rothauserc(4718)  |
Question 836943: Please help me solve this WORD Problem
A snack mix is made from peanuts that cost $3 per pound and caramel popcorn that cost $2.20 per pound. The mixture cost $2.50 per pound does the mixture contain more peanuts or caramel corn?
thank you!
Anthony
i do not know how to set up this equation but i would guess more popcorn
Click here to see answer by josgarithmetic(39617) |
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