<u>Answer-</u>
<em>The value of x can be anything </em><em>between 0 to 15</em>
<u>Solution-</u>
Perimeter of a geometrical figure is the sum of lengths of all its sides.
So, the value of the perimeter of the given pentagon would be,

As given in the question that, the perimeter is less than or equal to 51 meters.
So,


As the side length can not be negative, so x must be positive, i.e

7.9 is greater than 6.964 .....(7.9>6.964)
Answer:
in Desmos there should be a plus sign right above the list of your equations on the left side. Click that plus sign and then click "table". then enter your numbers. then your points will be shown on the graph
to turn this into a line long press on the button next "y" on the table you have made, then select "lines"
Step-by-step explanation:
you're going to solve for y in the first equation and then substitute it in for the second equation and solve.