Answer:

Step-by-step explanation:
The perimeter is the sum of the side lengths of the shape. Since a square has equal side lengths, each side must be the same. Divide 52/4=13cm. 13cm is the length of 1 side. Area is length times width, and since each side is 13, multiply 13cm*13cm to get the area, which is
,
If this helped, brainliest answer would be greatly appreciated!
One side of the rectangle is x=2, the other side is 2x-5
Add up all the four sides: (x+2) +(x+2)+(2x-5)+(2x-5)=54
6x-6=54
x=10
#3: suppose the first integer is x, then the second one is x+2
x(x+2)=255
x^2 +2x -255 =0
factor the quadratic equation: (x+17)(x-15)=0
x=-17, which is impossible, or x=15
so the two positive integers are 15 and 17
Answer:
12 inches
Step-by-step explanation:
3+4+5=12
48/12=4
3*4=12
You can simply put the equation as 9x = 36 and divide by 9, then x = 4
Answer:
2/5 is the simplest form. But in decimal form it is 0.4
Step-by-step explanation:
2/5
=2 divided by 5
=0.4