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Firlakuza [10]
3 years ago
13

CAN SOMEONE HELP?Find the value of x?​

Mathematics
1 answer:
Anna007 [38]3 years ago
3 0

Answer:

x = 1

Step-by-step explanation:

Δ ABC and Δ DEF are congruent ( SAS postulate )

Thus corresponding sides are congruent that is

BC = EF , substitute values

13x - 12 = 7x - 6 ( subtract 7x from both sides )

6x - 12 = - 6 ( add 12 to both sides )

6x = 6 ( divide both sides by 6 )

x = 1

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When the positive integer x is divided by 9, the remainder is 5. What is the remainder when 3x is divided by 9?
NARA [144]

Answer:

6

Step-by-step explanation:

Let n represent the quotient of the number.

We have been given that when the positive integer x is divided by 9, the remainder is 5. We can represent this information in an equation as:

x=9n+5

When 3x is divided by 9:

3x\Rightarrow 3(9n+5)

27n+15

Now, we need to break 15 into two numbers as:

27n+9+6

Now, we will factor out 9 as:

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4 years ago
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Answer:

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8 0
3 years ago
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vladimir1956 [14]

Answer:


Step-by-step explanation:

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According to question

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NeX [460]

Answer:

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Divide  18  by  6

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