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faust18 [17]
4 years ago
9

Is the ordered pair (4, 20) a solution to the equation y = 5x? If yes, is it the only solution?

Mathematics
1 answer:
sladkih [1.3K]4 years ago
4 0
The answer is yes,  it is an answer.  Plug in the values.  The x comes first and y is second in the order pair.  5*4=20
Now,  no,  it is not the only answer.  There are infinitely many solutions.  Any value can be x,  y is just 5 times larger.
So the answer is B,  hope this helps!
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A box contains 4 red pencils and 6 black pencils. What fraction of he pencils are red? What fraction of pencils are black? Draw
Scorpion4ik [409]

Answer:

The fraction of the pencils that are red is 4/10. The fraction of the pencils that are black is 6/10.

Step-by-step explanation:

[I can't draw you a model but I reccomend that when you do, you seperate it into 10 pieces and mark 4 as red pencils and 6 as black pencils. You could also simplify 4/10 to 2/5 and 6/10 to 3/5, but instead you'd seperate the model into 5 pieces and mark 2 as red pencils and 3 as black pencils.]

First, let's add this up so we have our denominator.

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Now that we know that the denominator is 10, we apply it to the question.

<em>The box has 4/10 red pencils and 6/10 black pencils.</em>

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