Step-by-step explanation:
-81
![\sqrt{ - 1} \: \times \sqrt{81}](https://tex.z-dn.net/?f=%20%5Csqrt%7B%20-%201%7D%20%20%5C%3A%20%20%5Ctimes%20%20%5Csqrt%7B81%7D%20)
![\sqrt{ - 1} = i](https://tex.z-dn.net/?f=%20%5Csqrt%7B%20-%201%7D%20%20%3D%20i%20)
![i \times \sqrt{9 {}^{2} }](https://tex.z-dn.net/?f=i%20%5Ctimes%20%20%5Csqrt%7B9%20%7B%7D%5E%7B2%7D%20%7D%20)
![i \times 9](https://tex.z-dn.net/?f=i%20%5Ctimes%209)
![9i](https://tex.z-dn.net/?f=9i)
Answer:
5 and -5
Step-by-step explanation:
Opposite numbers are the same distance from 0 on the number line. So, each of the numbers is a distance from zero that is half the distance between them.
The numbers are 10/2 = 5, and -5.
Answer:
Y = X - 2 would be the answer.
Answer:
2.25 inches
Step-by-step explanation:
The mean, or the average, or the rainfall amounts, can be found by adding all of the amounts together and dividing by the number of amounts. In this case,
. Hope this helps!
I belive your answer is 320
Happy to assist you!