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meriva
3 years ago
9

10. Mr. Falcone's pizza shop offers three sizes of pizza. The small, medium and large pizzas have diameters of 8 inches, 10 inch

es and 12 inches. Small Medium Large a) What is the circumference of each size of pizza? Small = _________________ Medium = ___________________ b) What is the area of each size of pizza? Small = _________________ Medium = _________________ Large = _______________ Large = _________________ c) Joey is very hungry. He says he wants to eat a 100-square-inch area of pizza. Which size(s) of pizza should he order? Why?
Mathematics
2 answers:
Kazeer [188]3 years ago
8 0
A) we know, circumference of circle = 2πr
       i)Circumference of small pizza with radius of 8 inches; = 2*3.14*8 = 50.24 in.²
       ii)Circumference of medium pizza with radius of 10 inches; =  2*3.14*10 =       62.8 in.²
       iii)Circumference of large pizza with radius of 12 inches; = 2*3.14*12 = 75.36 in.²

b) we know, area of a circle = πr²
      i)Area of small pizza with radius of 8 inches;= 3.14 * 8²= 200.96 in.²
      ii)Area of medium pizza with radius of 10 inches = 3.14 * 10² = 314 in.²²
      iii)Area of large pizza with radius of 12 inches; = 3.14*12² =  452.16 in.²

c) Joey should order pizzas of larger size 'cause he is very hungry & it will be most helpful for him 'cause of larger area.

Hope this helps!
 
      
kumpel [21]3 years ago
7 0

Answer:


Step-by-step explanation:The employees must sell 78 pizzas in order to get the bonus.

The percentage decrease is 0.05%

Step-by-step explanation:


Number of pizzas sold yesterday is 65 pizzas.


The owner offers the employees a bonus if the number of pizzas sold increases by 20%


So 20% of 65 pizzas is,  pizzas.


Therefore, the employees must sell 65+13=78 pizzas in order to get the bonus.


But the actual number of pizzas sold today was 60. So the number of pizza sold has decreased. Then the percent decrease is,




Therefore, the percentage decrease

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----------------------------------------------------
Given information
----------------------------------------------------
Area = 40ft²
Length = √20 ft

----------------------------------------------------
Formula
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Area = Length x Width

----------------------------------------------------
Find Width
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Width = 40 ÷ 2√5
Width = 20 ÷ √5
Width =  \frac{20}{ \sqrt{5} }

Answer: \boxed {Width = \frac{20}{ \sqrt{5} }}

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