Answer:
Option C - 1/81
Step-by-step explanation:
9^(-2) = 1/(9^2) [ Because a^(-m) = 1/(a^m) ]
so, 1/(9²) = 1/81.
Hope this helps you.
Answer: 2x
Step-by-step explanation: 18+2(x-7)=4+M. First distribute 2 to (x-7), then you will be left with 18+2x-14=4+M. You can further simplify the left side of the equation by subtracting 14 from 18, now you are left with 2x+4=4+M. Subtract 4 from both sides to solve for M, 2x=M.
<span>He wanted to see whether the seal HAD been broken. </span>
Answer:
0.37
Step-by-step explanation:
5x^2-6x-7=0
25x-6x-7=0
19x-7=0
19x=7
0.37
X=35 that is the answer mark me brainliest plz