Because there are only two things you can do with these two " family" members. 81 divided by 9 is 9. 9 times 9 is 81. Strictly speaking, there should be three in the family: 9,9 and 81 9 is the square root of 81. 81 is the 9 squared.
Answer:
x 1/3
Step-by-step explanation:
For this one I'm going to go with D 10^16.
Answer:
About 7.2 OR (7.211102551)
Step-by-step explanation:
Step-by-step explanation:
9x - 2 = 5x + 54
9x - 5x = 54 + 2
4x = 56
<u>x = 14</u>
(9x - 2) + (10y + 6) = 180
(9 · 14 - 2) + 10y + 6 = 180
126 - 2 + 10y + 6 = 180
130 + 10y = 180
10y = 180 - 130
10y = 50
<u>y = 5</u>
