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Karolina [17]
3 years ago
5

A DJ has a total of 1075 dance, rock, and country songs on her system. The dance selection is three times the size of the rock s

election. The country selection has 105 more songs than the rock selection. How many songs on the system are dance? rock? country?
Mathematics
1 answer:
Alexus [3.1K]3 years ago
7 0
582 dance, 194 rock, 299 country.
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Answer:

\frac{7}{10} y

Step-by-step explanation:

To add fractions <em>with the same denominator</em>, simply add the numerators:

\frac{a}{b} + \frac{c}{b} = \frac{a+c}{b}

So:

\frac{3}{10} y+\frac{4}{10} y=\frac{7}{10} y

6 0
3 years ago
A rectangle has a length four more than
torisob [31]
L ≥ 5w + 4
2(L+w) ≥ 32

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L ≥ 5w + 4
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If L = 14 and w = 2 then the perimeter is 32.
These are the smallest dimensions that fit the criteria.

Note: If we raise the width by 1 to w = 3
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1 year ago
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Answer:

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Step-by-step explanation:

y = 10x + 2

This is a line.  A line has infinite points

Therefore this has infinite solutions

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