Answer:
A. length = 23 cm; width = 5 cm
Step-by-step explanation:
So if 4 times the width would be 
and 3 more than would be 
, the equation would be 
. If the perimeter is 56, then the new equation, 
can be formed. This simplifies to 
, then to 
, then to 
, and finally, 
. So the width is 5, and now plug it into the first equation.
, becomes 
, becomes 
.
So the dimensions are: length = 23 cm, width = 5 cm.
*And just to be sure, 
which is correct.
Answer:
x=1 y=4
Step-by-step explanation:
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Hello! And thank you for your question!
All you can do is simplify √28 to 2√7
Then the equation becomes 2√7 - 2√7
Subtract the like terms to get 0.
Final Answer:
It is a rational and equal to 0.
The equation created from this situation would be 109=3+n+n+4+3+n
Solve for n and n would be 33
