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Whitepunk [10]
2 years ago
15

 The owner of an office park wants to carpet a hallway connecting two buildings. The carpet costs $1.75 per square foot. How mu

ch does it cost to carpet the hallway?
PLEASE ANSWER

Mathematics
1 answer:
bazaltina [42]2 years ago
7 0

The cost of the carpet is $526.75

<h3>Area of triangle and rectangle</h3>

Based on the information given:

The carpet costs $1.75 per square foot

Get the area of the carpet

Area = 24(7) + 7(15) + 0.5(28) + 0.5(28)

Area of the composite figure = 273 + 28

Area of the composite figure = 301 ft²

Cost of the carpet = 301 * 1.75

Cost of the carpet = $526.75

Hence the cost of the carpet is $526.75

Learn more on area of composite figure here: brainly.com/question/21135654

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Laura’s fish tank has 17 liters of water in it. She plans to add 5 liter per minute until the tank has more than 72 liters. What
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The SAT Reasoning Test (formerly called the Scholastic Aptitude Test) is perhaps the most widely used standardized test for coll
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Answer:

The score is  x  =  1884

Step-by-step explanation:

From the question we are told that

     The population mean is  \mu  = 1500

     The standard deviation is  \sigma  =  300

     

From the question we are told that the score follow a normal distribution

i.e     X  \~  \   N( 1500 , 300)

The proportion of score in the top 10% is mathematically

           P(X > x )  =  P( \frac{X -  \mu}{\sigma }  > \frac{x -  \mu}{\sigma }   ) = 0.10

Where x is the minimum score required to be in the top 10%

Now the \frac{X -  \mu}{\sigma }   =  Z (The  \ Standardized \ value \  of  \  X)

  So

            P(X > x )  =  P( Z > \frac{x -  \mu}{\sigma }   ) = 0.10

So

            P(X > x )  =  P( Z > \frac{x -  1500}{300}   ) = 0.10

So the critical value of  0.10  from the normal distribution table is  Z_{0.10} =  1.28

So

               \frac{x -  1500}{300}   = 1.28

              x  =  1884

           

       

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