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AlladinOne [14]
2 years ago
12

Find the value of a from the following data whose mean is 23 29,33, 27, a, 19, 17, 10 ​

Mathematics
1 answer:
ollegr [7]2 years ago
5 0

Answer:

a = 26

Step-by-step explanation:

29 + 33 + 27 + a + 19 + 17 + 10 / 7 = 23

135 + a / 7 = 23

135 + a = 161

a = 26

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Step-by-step explanation:

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qaws [65]

Answer:

Equivalent systems of equations review

Step-by-step explanation:

We're given two systems of equations and asked if they're equivalent.

x + 4y = 8 (1)

4x + y = 2 (2)

Interestingly, if we sum the equations in System A, we get:

x + 4y = 8 \\4x + y = 2 \\

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Replacing the first equation in System A with this new equation, we get a system that's equivalent to System A:

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lara [203]

Answer:

3(x-2)+x=4x+6

Step-by-step explanation:

case 1) we have

3(x-2)+x=4x-6

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3x-6+x=4x-6

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therefore

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case 2) we have

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