The area of steel before cutting:
Area =
cm²
= 
Hence, Area=
Area of steel after cutting out the 11*6 inside dimensions.

As the area should be close to 28 cm square, so equation becomes:
or 
Now for the answer, kindly see the image attached. It gives x=0.76
Hence, the answer is 0.76 cm.
Answer:
114
Step-by-step explanation:
Using the hint given
1st term + common difference (desired term - 1)
(-102) + 4 (55-1) = 114
Answer:
C
Step-by-step explanation:
just multiply them together should work
A closed circle means greater than or equal to and less than or equal to.
An open circle is greater than or less than.