Answer:
The dimensions of the original rectangle are Length =12cm, Width=8cm
Step-by-step explanation
Let the length of the rectangle be x
Let the width of the rectangle be y
The perimeter of a rectangle is 40cm.
2(x+y)=40
Divide both sides by 2
x+y=20
If the length were doubled(2x) and the width halved(y/2), the perimeter would be increased by 16cm,i.e.(40+16)cm
Therefore:
Divide both sides by 2
From the first equation, x=20-y.
Substitute x=20-y into
Answer:
Step-by-step explanation:
Multiply it by 0.75, or find 3/4 of that number. Whichever you prefer! The first one always works though the second one sometimes does but sometimes 3/4 of the number isn't that obvious.
That question is already answered on brainly. Search it up
Answer:
6 to the second is 36 and 2 to the second is 4
Step-by-step explanation:
Both of those combined would equal 40. Are you looking for the algebraic expression, or is this good enough? Let me know! Bya!
2x-7=43
2x=50
x=25
I hope I helped you with your solution! If you could give me brainliest, I would be very thankful!
