Find the perimeter of a rectangle of A=2.76x10^12cm^2 and one side is 4.6x10^5
1 answer:
Answer:
1.292 x 10^7 cm^2
Step-by-step explanation:
Since the area of a rectangle is A = L x W and you are given the area and one side, you can rearrange this equation to solve for the other:
Therefore the length of the other side is 6 x 10^6.
The perimeter of a rectangle is P = 2L + 2W. We can solve that now that we have the length of the sides:
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Answer:
The system of linear equations are and
Step-by-step explanation:
Given : The number of students who chose lunch was 5 more than the number of students who chose breakfast. Let x represent the number of students who chose breakfast and y represent the number of students who chose lunch.
(50 students picked, 25 picked dinner the rest picked lunch and breakfast)
To find : Write a system of linear equations that represents the numbers of students who chose breakfast and lunch ?
Solution :
The number of students who chose breakfast be 'x'
The number of students who chose lunch be 'y'.
The number of students who chose lunch was 5 more than the number of students who chose breakfast.
i.e.
Now, Total student were 50 and 25 picked dinner the rest picked lunch and breakfast i.e. 25.
So,
Therefore, the system of linear equations are and