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sladkih [1.3K]
3 years ago
11

PLZ HELP IM BEING TIMED GIVING BRAINLIEST Using the square root property solve (a - 10)² = 121

Mathematics
2 answers:
olchik [2.2K]3 years ago
8 0

Answer:

21

Step-by-step explanation:

We know that the sqaure root of 121 = 11.

So, A - 10 = 11

=> A = 21

Alex3 years ago
3 0

Answer:

a = -1 or a = 21

Step-by-step explanation:

take square root of each side to get:

a - 10 = \sqrt{121}

a - 10 = 11;  a = 21

a - 10 = -11;  a = -1

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4 0
3 years ago
Bodmass<br><br>-3[2/6+8{-9/3(8-5*3)-6}]​
Vadim26 [7]

9514 1404 393

Answer:

  -361

Step-by-step explanation:

Your calculator can tell you the result. It is -361.

Start with the inner parentheses and work outward. Do multiplication and division in the order shown, left to right, before addition or subtraction.

  -3[2/6+8{-9/3(8-5*3)-6}]​

  = -3[2/6+8{-9/3(8-15)-6}]​

  = -3[2/6+8{-9/3(-7)-6}]​

  = -3[2/6+8{-3(-7)-6}]​

  = -3[2/6+8{21-6}]​

  = -3[2/6+8{15}]

  = -3[1/3+8{15}]

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  = -3[361/3]

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8 0
3 years ago
PLEASE HELP! for 10 pionts!
erastovalidia [21]

Answer: The answer is A.|7 + -2 + 5 + - 8|

Step-by-step explanation:

|7−2+5−8|

=|5+5−8|

=|10−8|

=|2|

=2

4 0
3 years ago
Read 2 more answers
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