Answer:
78
Step-by-step explanation:
Check the picture below.
since the second figure is also a square, then the sides touching the diagonals have to be all equal, and that'd only happen if those sides bisects the larger square's diagonal.
6/y=9/5(due to similarity)
y=6*5/9=30/9=10/3=3.333..
Answer:
If you want 915/7 simplified, it is 130.714285714.
Step-by-step explanation:
On the bottom left, the answer is subtraction property of equality because you need to subtract 4x to the 7x to simplify the equation.