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navik [9.2K]
2 years ago
6

Can someone please help how I could find the square root for 121? Please explain step by step to get marked as brainliest!

Mathematics
1 answer:
navik [9.2K]2 years ago
4 0

Answer:

+ or - 11

Step-by-step explanation:

To find the square root of 121, think of a number that multiplied by itself would get to 121. This number is 11. However, do remember that the number could also be negative 11 bencause a negative times a negative becomes positive.  I would advise you to try memorizing the squares of 0 to 15 to help you with this. Otherwise, you can just use a calculator.

Hope this helps! :)

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Answer:x = 6/5

Step-by-step explanation:

The given expression is

2/3+1/5x=5/6

The Lowest common multiple of 2, 5x and 6 is 30x. We would multiply the left hand side of the equation and the right hand side of the equation by 30x. It becomes

2/3 × 30x + 1/5x × 30x = 5/6 × 30x

= 20x + 6 = 25x

Subtracting 20x from the left hand side and and the right hand side of the equation, it becomes

20x - 20x + 6 = 25x - 20x

5x = 6

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