Line segment AB is a midsegment in PQR.Kayla calculated the length of AB Her work is shown below. Is her answer? If not, complet
e the explanation to explain her error.
Select:
No,it is not correct
Yes it is correct
The Equation should have 1/2
•QR
•AB
on the left instead of 2(QR).
Select:
No,it is not correct
Yes it is correct
The Equation should have 1/2
•QR
•AB
on the left instead of 2(QR).
1 answer:
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The machines represent equivalent expressions.
The output produced by both machines is 372
The equation represented on machine A is:
The equation represented on machine B is:
Where: x and y represent the inputs and the outputs, respectively
When the outputs are the same, it means:
So, we have:
Open brackets
Collect like terms
Divide both sides by 2
Substitute 39 for x in
Hence, the output produced by both machines is 372
Read more about equivalent expressions at: