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Westkost [7]
2 years ago
10

Find out x and y. y = 2x。 x = 2y - 9​

Mathematics
1 answer:
Elena-2011 [213]2 years ago
5 0

Answer:

x = 3

y = 6

Step-by-step explanation:

y = 2x

x = 2y - 9

=> x = 2(2x) - 9

=> x = 4x - 9

=> 9 = 4x - x

=> 9 = 3x

=> 3x = 9

=> x = 9/3

=> x = 3

y = 2x

=> y = 2(3)

=> y = 6

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Which set
pogonyaev

Answer:

The correct answer is: c. {-3, 0, 4, 11}

Step-by-step explanation:

A function consists of ordered pairs. In the ordered pairs, the first element is the input and second value is the output.

All the possible set of inputs for a function are called domain.

Given function is:

{(-3, 6), (0, 2), (4, 7), (11, 15)}

The domain set will consist of the first elements of all the ordered pairs.

The domain of this function is: {-3,0,4,11}

Hence,

The correct answer is: c. {-3, 0, 4, 11}

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3 years ago
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Answer:

Step-by-step explanation:

3 0
3 years ago
1.11t can be written as (1.111/12)12t to give the monthly interest rate based on an annual rate of 11%. Transform the expression
Nataly_w [17]

Answer:

yup this explanation is correct you will get good grade

5 0
2 years ago
Please need help asap
olya-2409 [2.1K]

x+11+3x+19=90

4x+30=90

4x=60

x=15

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Ans: B

Hope this helps

6 0
3 years ago
4(x+6)-3x=26 what is the x value
satela [25.4K]

Answer:

x=2

Step-by-step explanation:

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solve

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4 0
3 years ago
Read 2 more answers
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