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AlexFokin [52]
3 years ago
14

PLEASEE HELPP MEEEE!!!!!!!!! PLEASEE!!!!!!!!!!!!!!! what is the value of x?

Mathematics
1 answer:
andreev551 [17]3 years ago
3 0
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AB would be {3,6}
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Identifying Perfect Squares
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Which two steps should be used first in solving the system of equations
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Answer:

The value of x , y  using substitution method is 2 , 5

Step-by-step explanation:

Given as :

The two linear equation as

6 y - 4 x = 22            .......1

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Let y = 9 - 2 x             .......2

Now, using substitution method

Substitute the value of y from eq 2 into eq 1

i.e 6 × (9 - 2 x) - 4 x = 22

Or, 54 - 12 x - 4 x = 22

Or, 12 x + 4 x = 54 - 22

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i.e x = 2

Now, Put the value of x into eq 2

∴ y = 9 - 2 x

So, y = 9 - 2 × 2

Or, y = 9 - 4

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So, The value of x , y = 2 , 5

Hence, The value of x , y  using substitution method is 2 , 5   Answer

7 0
3 years ago
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Write the set { 1, 3, 7, 15, 31, 63 } in set builder form ​
Sholpan [36]

Answer:

{ x : x = 2^n -1 , n ∈ N}

Where N is the set of natural numbers

Step-by-step explanation:

Mathematically, we can rewrite each term in the set as follows;

1 = 2^1 - 1

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63 = 2^6 -1

so we can conclude that the nth term is 2^n -1

So writing this in set builder notation, we have;

{ x : x = 2^n -1 , n ∈ N}

Where N is the set of natural numbers

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3 years ago
1. Which domain restrictions apply to the rational expression?
Simora [160]

for question #1 the answer is: x=2, x=-1

question 9: answer is B

question 10: answer B

8 0
3 years ago
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