Say the width is W and the length is L
L=3W (and of course W=W)
Now you use the perimeter formula P=2L+2W
80=2(3W) + 2W)
80=6W+2W
80=8W Divide both sides by 8
W=10
Now that you know the width, substitute it back into L=3W to find the length
L=3(10)
L=30
The dimensions are length: 30 cm and width: 10 cm
The open circle is greater than or less than, closed circle is less than or equal to or greater than equal to
Answer:
Step-by-step explanation:
Can I have the rest of the question(picture)?
The value of x is either +7 or -8
