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3 years ago

How was basic math discovered

2 answers:

8 0

Math was originally invented by the Anzac Tribe. They had wise elders who solved equations and soon people began discovering things like linear equations. Hope this Helps.

kotykmax [81]3 years ago

3 0

Math wasn't discovered, it was invented. Math has been around since the beginning of time lol.

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Solve for x.<br><br> 0.5x + 78.2 = 287

vladimir2022 [97]

0.5x + 78.2 = 287
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If the point (4,-2) is included in a direct variation relationship, which point also belongs in this direct variation? A. (-4,2)

IceJOKER [234]

Answer:

(-4,2) belongs in this direct variation.

Step-by-step explanation:

Let the direct variation relationship is expressed by the equation y = mx ........ (1), where x and y are in direct variation and k is the variation constant.

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⇒ $m = - \frac{1}{2}$

Therefore, the equation (1) becomes $y = - \frac{1}{2}x$

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Now, from the given four options only the point (-4,2) satisfies the relation (2).

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