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krek1111 [17]
3 years ago
5

Doug ordered a circular pizza. The length of the edge of each slice from the crust to the center is 9 inches. What is the area o

f the pizza? Round to the nearest tenth.

Mathematics
2 answers:
nalin [4]3 years ago
5 0
Make sure you use the full value of Pi to get the most accurate answer, not just 3.14!

taurus [48]3 years ago
3 0
253.47 inches! hope that helps.
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Nutka1998 [239]

Answer:

The null hypothesis   H_o :  \mu =  31

The alternative hypothesis H_a :  \mu >  31

Step-by-step explanation:

From the question we are told that

  The population mean is  \mu =  31 \  miles / gallon

Generally

   The null hypothesis is that the company's  new sedan, the Libra, will have an average of   \mu =  31 \  miles / gallon

This mathematically  represented as

The null hypothesis   H_o :  \mu =  31

   The alternative hypothesis is that the company's  new sedan, the Libra, will have an average better than   \mu =  31 \  miles / gallon

This mathematically  represented as

     The alternative hypothesis H_a :  \mu >  31

7 0
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$180

Step-by-step explanation:

step one 86+4 =90

step two 90×2=180

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