3 years ago

Please explain and solve 2/3 = m/42

1 answer:

4 0

Whatever you do to the numerator you must do to the denominator so 3 goes into 42 14 times so 3x14=42 2x14=28 so 2/3is equivalent to 28/42

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liq [111]

Most real number arithmetic is pretty vacuous

$\sqrt 2 + \sqrt 3 = \sqrt{2} + \sqrt{3}$

That's about as good a way as possible to write this particular real number. But it's far from the only way.

$(\sqrt 2 + \sqrt 3)^2 = \sqrt{2}^2 + 2\sqrt 2 \sqrt 3 + \sqrt{3}^2 = 5 + 2 \sqrt 6$

$\sqrt 2 + \sqrt 3 = \sqrt{5 + 2 \sqrt 6}$

Sometimes you can factor something out and you have a common radical:

$\sqrt{32} + \sqrt{128} = \sqrt{2^5} + \sqrt{2^7} = 4 \sqrt{2} + 8 \sqrt{2} = 12 \sqrt{2}$

But most of them are vacuous,

$3\sqrt{7} + 34 \sqrt{13} = 3\sqrt{7} + 34 \sqrt{13}$

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4 years ago

stealth61 [152]

The answer is 3

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3 years ago

Margarita [4]

Answer: 3560

Step-by-step explanation: GCF of 400 will be 40 and the LCM will be 3600 so if you are doing LCM-GCF it would be 3560

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3 years ago

Ira Lisetskai [31]

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3 years ago

Alisiya [41]

Answer:

21 cells

Step-by-step explanation:

4x5+1=21

7 0

3 years ago