What is equivalent to -3(3y-2x)+2(5x-4y)
2 answers:
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Solving the system of equations, we get value of c= 10 and value of d= 7
Step-by-step explanation:
Solving the system of equations:
Let:
Adding eq(1) and eq(2)
So, value of c = 10
Now putting value of c in equation 1 to find value of y
So, value of d =7
Solving the system of equations, we get value of c= 10 and value of d= 7
Keywords: System of equations
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Assuming a direct proportional variation.
Answer:
Step-by-step explanation:
The figure is shown in the image attached.
Notice that the shaded light gray area can be calculated by the difference of the bigger square and the smaller square.
The area of the bigger square is:
The area of the smaller square is:
The difference between these areas is:
Therefore, the expression that can be used to find the light gray area is:
Additionally, the expression is also a right answer, because it's equivalent to the first answer.
