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Helen [10]
4 years ago
12

Plz help me get the answer to these

Mathematics
1 answer:
brilliants [131]4 years ago
8 0

Answer:

<h2>y = 2</h2>

Step-by-step explanation:

Put x = -13 to the equation -3x + 9y = 57

(-3)(-13) + 9y = 57

39 + 9y = 57            <em>subtract 39 from both sides</em>

9y = 18             <em>divide both sides by 9</em>

y = 2

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Fractions or decimals that stop are known as ______ numbers.
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Answer:

Rational

Step-by-step explanation:

Two broad categories of Real Numbers is:

  1. Rational Numbers
  2. Irrational Numbers

Rational numbers are those which can be written in the form of a fraction. When written in form of a decimal, these numbers terminate after few decimals or have a pattern that runs throughout the decimals.

Irrational numbers cannot be written in form of fractions. When written in the form of a decimal numbers, these numbers do not terminate(end) and do not show any pattern.

So, from the above discussion, we can conclude that the answer in the blank will be Rational. Fractions or decimals that stop are known as Rational numbers.

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4 0
3 years ago
There are a total of 78 baseball and football cards in a box. The ratio of baseball cards to football cards 8 to 5. How many bas
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