Answer:
- 10 y+10.2
Step-by-step explanation:
4-2y+(-8y)+6.2
combine like terms
-2y -8y +4+6.2
- 10 y+10.2
Answer:D hope it helped
Step-by-step explanation:
The square root of -1 is i. So you can simplify it to 7(sqrt)-1, which becomes 7i.
Answer:
C=6π
Step-by-step explanation:
It is given that, two circles are identical. The radius of first circle is 2x and the diameter of other circle is 2x+3.
If identical, it means that the radius of both circles are same i.e.

Radius of both circles is 2(1.5)=3
The circumference of a circle is given by :

So, the circumference of each circle is 6π.