Answer:
The interest is $1.5 and the amount is $61.5.
Step-by-step explanation:
3-y/2=1
-3 -3
-y/2=-2
x2 x2
-y=-4
/-1 /-1
Y=4
The variables are: x, y
The constant is: 4
The coefficients are: 5, 3
The exponent is: y^2
Answer:
The real perimeter is:

And the area would be:

Step-by-step explanation:
For this case we know one side of a square given 6mm.
We can begin calculating the perimeter for the scale figure with this formula:

The area for this case is given by:

And we know that the drawing has a scale of 1 mm : 7 km and if we convert the perimeter to km we got:

And the area would be:
