K/2+9=30 1. Start by getting rid of the number farthest from K
-9 -9 2. The nines cancel out, 30-9=21
K/2 = 21 3. Next, get the 2 away from K
/-2 /-2 4. The 2 cancel out when divided, 21 divided by -2= -10.5
K = -10.5
K=-10.5
Answer and Step-by-step explanation:
Anything that is to the power of 0 is equal to 1. This is why 2 to the power of 0 is equal to 0.
0 is the only number such that for any number x, x + 0 = x. So, the reason that any number to the zero power is one is because any number to the zero power is just the product of no numbers at all, which is the multiplicative identity, 1.
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