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julsineya [31]
2 years ago
13

mark can cleaN the house in 7 hours. when he cleans the same house with wend, it takes them 3 hours to clean the house. how long

would it rake wendy to clean the house by herself
Mathematics
2 answers:
nevsk [136]2 years ago
8 0

Answer:

4

Step-by-step explanation:

blondinia [14]2 years ago
7 0

Answer:5.25

Step-by-step explanation:

3(1/7 + 1/x) = 1

3([x + 7]/7x) = 1

3x + 21 = 7x

4x = 21

x = 21/4 OR 5.25

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Hope this helps!
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Answer:

=5x^2+4x−5

Step-by-step explanation:

Let's simplify step-by-step.

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Combine Like Terms:

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4 0
2 years ago
Tomas collects miniature cars. He bought a display case at a cost of $5.95. He also bought 3 miniature cars. If his total cost w
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D

Step-by-step explanation:

3 0
3 years ago
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Write an equation for the nth term of the arithmetic sequence -9,-4,1,6 then find a50
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Answer :

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an = -9 + (8) 5

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7 0
3 years ago
Is this correct ? I need a little help !
svetoff [14.1K]
Yeah probably i think you should move that thing over to the left
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