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ASHA 777 [7]
3 years ago
8

A swing set is going to be placed over a region of mulch that is shaped like a trapezoid. The bases of the trapezoid have a leng

th of 12 and 15 feet, and the perpendicular distance between the bases is 8.5 feet. What is the area of the region under the swing set? If necessary, round your answer to the nearest tenth.
The area is
square feet.
Mathematics
1 answer:
shutvik [7]3 years ago
6 0

Answer:

114.8

Step-by-step explanation:

The formula for a trapezoid is ((a+b/2)h

You need to plug everything in, ((12+15)/2)8.5= 114.8

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The composite figure is made up of two congruent rectangular pyramids joined at their bases. What is the total volume of the com
Sedaia [141]
The volume of a rectangular pyramid is
V = (1/3) A*h
where
A =  the area of the rectangular base
h =  the height

The two pyramids are congruent in volume.
The volume of one pyramid is
(1/3)*(2*7.5)*(6) = 11
The volume of the composite figure is  2*11 = 22

Answer:  22

8 0
3 years ago
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A certain restaurant offers 8 different salads, 5 different main courses, 6 different desserts. if customers choose one salad, o
kobusy [5.1K]

8\cdot5\cdot C(6,2)=40\cdot\dfrac{6!}{2!3!}=40\cdot\dfrac{4\cdot5\cdot6}{2}=2,400

4 0
3 years ago
What is the range of the data? 99.7, 101.8, 103.6,98.6, 100.2, 102.9
erik [133]

Answer:

5.0

Step-by-step explanation:

The data in order looks like so:

98.6, 99.7, 100.2, 101.8, 102.9, 103.6

Take the greatest value and subtract it from the least value to get the range of the data:

103.6-98.6=5

5 is your answer

Hope this helps!

7 0
3 years ago
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Simplify 6*3+4+2*3(15)+*2
Angelina_Jolie [31]

Answer:

114.

Step-by-step explanation:

  1. remove parenthesis
  2. multiply the numbers 6 x 3 + 18

18 + 4 + 2 x 3 x 15 + 2

multiply the numbers 2 x 3 x 15 + 90

18 + 4 + 2 + 90 + 2

add the numbers : 18 + 4 + 2 + 90 + 2

= 114!

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3 years ago
What is 5 times 5 equal
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Answer:

25

Step-by-step explanation:

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