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tester [92]
3 years ago
9

Please help it’s for 50 points

Mathematics
1 answer:
amid [387]3 years ago
4 0

Step-by-step explanation:

3√8 is irrational number, and

2√18 is also irrational number

3√8 + 2√18 =

3×2√2 + 2×3√2 =

6√2 + 6√2 = 12√2

so, 12√2 is irrational number.

the correct answer is

A. the sum of two irrational numbers is irrational.

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-----------------------------------

Add whole numbers.

2x + 1 + 37 + 118 = 180

Add whole number (if there is any).

2x + 38 +118 = 180

Subtract 156 from both sides to have one side have a variable.

2x + 156 = 180

     -156     -156

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---    ----

2       2

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x = 12

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