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EleoNora [17]
2 years ago
8

There are 7 piles of papers on a desk. Each pile has the same number of papers. There are 21 papers in all on the desk. How many

papers are in each pile?
Mathematics
2 answers:
Alinara [238K]2 years ago
4 0

Answer:

3

Step-by-step explanation:

7 x 3 = 21

7 + 7 = 14 + 7 = 21 :)

Katarina [22]2 years ago
4 0

Answer:

3

Step-by-step explanation:

7*3=21

3*7=21

21/3=7

21/7=3

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Step-by-step explanation:

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balandron [24]

Answer:

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Step-by-step explanation:

3x - 4y

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= <em>1</em><em>9</em>

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8 0
2 years ago
How can I solve 4x^2 + 12x &gt; -x -3
Damm [24]

He have the following:

4x^2+12x>-x-3​

solving:

\begin{gathered} 4x^2+12x+x+3>-x-3+x+3​ \\ 4x^2+13x+3>0 \\ \text{factoring} \\ (4x+1)(x+3)>0 \\ (4x+1)>0\rightarrow4x+1-1>-1\rightarrow\frac{4x}{4}>-\frac{1}{4}\rightarrow x>-\frac{1}{4} \\ (x+3)

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Mashcka [7]

Answer:

16

Step-by-step explanation:

Please mark brainliest!

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2 years ago
Read 2 more answers
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