Answer: Either A or B
Step-by-step explanation:
Both A and B are the same answers, but the main answer should be
c+d=17, 4c+2d =54
C represents the number of cows and D represents the number ducks. The two and fours in front of the variables represents the number of legs the repesctive animal has.
c+d would mean how many animals are in the barn. Feel free to clarify the two same answers
Answer:
Cost of dryer is $250
Cost of washer is $500
Step-by-step explanation:
Let the cost of the dryer be - x
Then, cost of washer = 2x
To find x,
x+2x= $750
3x=$750
x=$750/3
x=$250
Hope this helps you mate.
Answer:
30+(2x+7)+63=180(sum of angles of triangle )
30+2x+7+63=180
2x+100=180
2x=180-100
x=80/2
x=40
O.6 easy because of the answer that is why
Answer:
x=2
y= -2.5
Step-by-step explanation:
x int
1.) set y to 0 (5x -4(0)=10
solve for 5x=10
y int
1.) set x to 0
solve for -4y=10