What does 81 by 9 mean

1 answer:

4 0

81 by 9 means 81 times 9 ( or 81 x 9). The answer however would be 729

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WINSTONCH [101]

   C = 2πr
   17 = 2(3.14)(r)
   17 = 2(3.14r)
   17 = 6.28r
6.28   6.28
2.71 ≈ r

5 0

3 years ago

cricket20 [7]

Answer:

Bacteria in 2022

Step-by-step explanation:

.aybe it's correct

6 0

2 years ago

Mama L [17]

Answer:

Step-by-step explanation:

7 0

2 years ago

Aleksandr [31]

It moves it up and down

6 0

3 years ago

viktelen [127]

Answer:

x= 7 sorry if I'm wrong:(

Step-by-step explanation:

7x - 7 = 4x + 14

7x - 7 - 4x = 4x + 14 - 4x

3x - 7 = 14

3x - 7 + 7 = 14 + 7

3x = 21

x = 21/3

x = 7

8 0

3 years ago