By solving the quadratic equation using completing the square method we got that Penelope should have added 4 to both sides instead of adding 1.
<h3>What is quadratic equation ?</h3>
Any equation of the form where x is variable and a, b, and c are any real numbers where a ≠ 0 is called quadratic equation .
Given work of Penelope is
Now we can see that Penelope determined the solutions of the quadratic function by completing the square. so he must have been done as following
By solving the quadratic equation using completing the square method we got that Penelope should have added 4 to both sides instead of adding 1.
To learn more about quadratic equations visit : brainly.com/question/1214333
It is helpful because when you divide numbers that keep on repeating you have to round it to some point and the tenths or hundreths makes it easier to write and for other people to see. Also, you can't write repeating decimals forever you have to stop at some point so rounding to the hundreths helps.
You could buy 35 magazines. Hope this helps :)
Answer:
The answer is "0.666667".
Step-by-step explanation:
Given value:
calculate value:
Perimeter = 2L + 2W
22m= 2(5) + 2W
22= 10 + 2W
22-10=2W
12= 2W