Answer:
D. 47 square units
Step-by-step explanation:
The area of the piece of red paper after the hole for the photograph has been cut is the difference between the area of large square and are of small square.
<u>Area of large square:</u>
The length of the side of large square is
Area of large square 
<u>Area of small square:</u>
The length of the side of large square is
Area of small square 
<u>Difference:</u>
20% 25-20 equals 5. 5 divided by 20 equals .2 or 20%
Answer:
Domain : ( -3 , 4.5 )
Step-by-step explanation:
Answer:
Do you mean which equation should the 5x+10=15 be multiplied to?
it would be -2
Step-by-step explanation:
This is because 5 times -2 is -10
and so when you add the (now) x value of the first equation to the x value of the second equation, it gets 0
which makes it eliminated!
-10x+10x=0
Your answer should be 314
4 x 16=64
10 x 25 (25 is the height)=250
64 + 250=314
