Answer:
x=7,y=5
C. x = 7, y = 5
Step-by-step explanation:
x = 12-y
2x+ 3y = 29
substitute x= 12-y
2 (12-y) + 3y = 29
distribute
24 - 2y + 3y = 29
combine like terms
24 + y = 29
subtract 24 from each side
24-24 +y = 29-24
y = 5
now find x
x=12-y
x = 12-5
x=7
(7,5)
Answer:
option d is correct
Step-by-step explanation:
hope this helped
Answer:
The total account balance would be $454.50
Step-by-step explanation:
Answer:
Step-by-step explanation:
The width of the rectangle = x
Therefore the length of the rectangle = 2x, as it is twice its width
We know that the perimeter of a rectangle = 2 × （length + width）
So since the perimeter equals to 30, then we can form the equation:
2×(2x+x) = 30
2×(3x) = 30
6x = 30
x = 5
width of the rectangle = x = 5
length of the rectangle = 2x = 2×5 = 10
If there is an unit which is in the question, remember to add it to the end of the answer. As you have not written any units in the posted question, I will leave it as it is.
Hope this helps :)
