Step-by-step explanation:
"identity" means an operation that does nothing.
For adding numbers, adding 0 changes nothing, so 0 is the identity for addition.
For multiplication, multiplying by 1 changes nothing, so 1 is the identity for multiplication.
Answer: the circumference is 25.13 and the area is 50.26 if rounding up then 50.27
Step-by-step explanation: to find circumference it is 2piR and to find the area it is piR^2
Would it be 3.4, 4.3, 5.2, 6.1, 7
Answer:
ask google they know or go to tiger.com algebra they can help you answer it gives you the answer and how they got it
Step-by-step explanation:
Answer:
Can't really expand x and 0, so I guess it would just be x * 0
Step-by-step explanation:
explained above :)
