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zysi [14]
3 years ago
11

PLEASE SOMEONE HELP ILL MARK BRAINLIEST AND 5 STARS 2.1/x+ 1 4/5= 3/10x

Mathematics
2 answers:
enot [183]3 years ago
8 0

Answer:

the answer is .3 or 3/10

Step-by-step explanation:

steposvetlana [31]3 years ago
7 0

9514 1404 393

Answer:

  x = -1

Step-by-step explanation:

Putting the entire equation in decimal form, we have ...

  2.1x + 1.8 = 0.3x

Subtracting 0.3x gives ...

  1.8x +1.8 = 0

Dividing by 1.8, we get ...

  x + 1 = 0

So, the solution is ...

  x = -1 . . . . . . subtract 1 from both sides.

_____

<em>Additional comment</em>

Sometimes, when all of the numbers in the equation are divisible by the coefficient of x, it works out well to do that division before separating variables and constants. The other way this could have been solved is ...

  subtract 1.8  ⇒  1.8x = -1.8

  divide by 1.8  ⇒   x = -1

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Using the Empirical Rule, it is found that 95% of the candies have weights between 0.7 and 0.98 gram.

<h3>What does the Empirical Rule state?</h3>

It states that, for a normally distributed random variable:

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