Quick math help
posted by Anonymous .
Can someone check my answers on these? Thank you!!
Solve each system using addition or subtraction.
1. x+y=8
xy=4
For the solution I got (6,3)
2. x3y=7
x+2y=2
For the solution I got (4,1)
3. 5s+2t=6
9s+2t=22
For the solution I got (4,13)
4. 2x+3y=13
x3y=2
For the solution I got (5,1)
5. 2m5n=6
2m7n=14
I got (7,4)
6. 3r5s=35
2r5s=30
I need help on this one!!!

An average cab ride is 7.3 miles. The cost is $3 for the first mile and $0.20 for additional 1/10 mile. Write the formula for the cost of the cab ride function C(x).  did not match any documents. No pages were found containing " An average cab ride is 7.3 miles. The cost is $3 for the first mile and $0.20 for additional 1/10 mile. Write the formula for the cost of the cab ride function C(x).".
Respond to this Question
Similar Questions

Algebra
I have a few questions that I need help with. Solve the radical equation, and check all proposed solutions. 5. x square root 3x2=4 I don't understand this problem. Solve and check the equation. 10. (x^2+14x+49)^3/420=7 would I have … 
Algebra
Checking a few answers to some algebra problems: 1.Find the slope of the line that passes through the points (4,1) and (3,5). I got m = 51 / 3(4) Answer is m = 4/7 2.Find the equation, in slopeintercept form, of the line that passes … 
Algebra/math
I have a few problems I need you to take a look at and tell me if I arrived at the right answer. 1. I am to use the intercepts to graph the equation x+3y=6 I used the formula y=mx+b using 3 and 6 for x I got these as my ordered pairs … 
algebra
I have a few problems I need you to take a look at and tell me if I arrived at the right answer. 1. I am to use the intercepts to graph the equation x+3y=6 I used the formula y=mx+b using 3 and 6 for x I got these as my ordered pairs … 
Math/Check
I have a few problems I need you to take a look at and tell me if I arrived at the right answer. 1. I am to use the intercepts to graph the equation x+3y=6 I used the formula y=mx+b using 3 and 6 for x I got these as my ordered pairs … 
algebra
I just need a quick check before I hand in my work if you would...Thanks. 1. I am to use the intercepts to graph the equation x+3y=6 I used the formula y=mx+b using 3 and 6 for x I got these as my ordered pairs to graph (3, 1), (6, … 
Algebra
3x+8=20; 4 Basically that 4 is asking whether that is a possible solution to the problem. I tried to solve it and the two solutions I got were 28/3 and 4. So I got that 4 is not a solution but if someone could check for me and … 
Algebra Multiple Choice
Hello, This is the last of questions I have for my practice assignment. Again I will put what I got. Thanks for your help. 1.) Solve the system using substitution. Write answer as an ordered pair. 4x+2y=8 5x2=y A.) First equation … 
Math help
Can someone check my answers on these? Thank you!! Solve each system using addition or subtraction. 1. x+y=8 xy=4 For the solution I got (6,3) 2. x3y=7 x+2y=2 For the solution I got (4,1) 3. 5s+2t=6 9s+2t=22 For the solution I got 
Quick math help
Can someone please check my math Hw? Thank you!! Solve each system by elimination. 1. 8x+7y=1 9x7y=2 I got (1,1) 2. 4x+3y=1 4x7y=13 I got (2,2) 3. 7x6y=21 x6y=3 I got (3,0) 4. 2x+3y=16 2x5y=16 I got (8,0) 5. 7x+2y=13