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SpyIntel [72]
3 years ago
13

A 28,000-gallon swimming pool is being drained using a pump that empties 700 gallons per hour. Which equation models this situat

ion if g is the number of gallons remaining in the pool and t is the amount of time in hours the pool has been draining? 28,000 = –700t 28,000g = –700t g = 700t – 28,000 g = 28,000 – 700t
Mathematics
2 answers:
Gelneren [198K]3 years ago
8 0
The answer is d i believe

Sophie [7]3 years ago
7 0
The answer is D g=28000-700t JUST DID IT 

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Step-by-step explanation:

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Thompson and Thompson is a steel bolts manufacturing company. Their current steel bolts have a mean diameter of 141 millimeters,
tiny-mole [99]

Answer:

Probability that the sample mean would be greater than 141.4 millimetres is 0.3594.

Step-by-step explanation:

We are given that Thompson and Thompson is a steel bolts manufacturing company. Their current steel bolts have a mean diameter of 141 millimetres, and a standard deviation of 7.

A random sample of 39 steel bolts is selected.

Let \bar X = <u><em>sample mean diameter</em></u>

The z score probability distribution for sample mean is given by;

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where, \mu = population mean diameter = 141 millimetres

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Now, Percentage the sample mean would be greater than 141.4 millimetres is given by = P(\bar X > 141.4 millimetres)

      P(\bar X > 141.4) = P( \frac{ \bar X-\mu}{\frac{\sigma}{\sqrt{n} }  } } > \frac{141.4-141}{\frac{7}{\sqrt{39} }  } } ) = P(Z > 0.36) = 1 - P(Z \leq 0.36)

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For this case we have that by definition:

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The end points of the triangle are called vertices.

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