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Ede4ka [16]
3 years ago
14

The width w of a rectangular swimming pool is x+5 the area a of the pool is x^2+4-5

Mathematics
2 answers:
Vadim26 [7]3 years ago
3 0

Answer:

x-1

Step-by-step explanation:

Area= x^2+4x-5

Width= x+5

Area= Length*breadth

x^2+4x-5=length*x+5

Length=x^2+4x-5/x+5

Therefore, length= x-1

Dmitrij [34]3 years ago
3 0

Answer:

x-1

Step-by-step explanation:

i got this problem on khan academy

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aivan3 [116]

Answer:

Donna swims 8 km each week.

Step-by-step explanation:

To be able to find the answer, you have to consider that 1 km is equal to 1000 meters and with this, you can use  rule of three to find the kilometers in 8000 meters:

1 km  →  1000 meters

  x    ←   8000 meters

x=(1*8000)/1000=8 km

According to this, the answer is that Donna swims 8 km each week.

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3 years ago
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3 years ago
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Korolek [52]

Answer:

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Step-by-step explanation:

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Choose 1 to substitute in for x to find the ordered pair.

Remove parentheses.

y= -19/6 + 7(1)/6

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