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Mashutka [201]
3 years ago
9

Ellyana's landscape gardening business creates odd-shaped lawns that include semicircles. Which choice best represents the area

of this semicircular section of the lawn in this design. Use 3.14 for pi
Question 1 options:

452.16 meters squared

29.5788 meters squared

56.52 meters squared

226.08 meters squared
Mathematics
2 answers:
slava [35]3 years ago
8 0

Answer: 56.52 meters squared i took the test :)

Step-by-step explanation:

ALSO ITS MY NAME LOL

DedPeter [7]3 years ago
4 0
452.16 meters squared i think
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9. Find the volume of the triangular pyramid. (2pts)-10 mI9 m16 m
Makovka662 [10]

Answer:

240 m³

Explanation:

The volume of a pyramid is equal to:

V=\frac{1}{3}\times B\times H

Where B is the area of the base and H is the height of the pyramid.

Then, the base of the pyramid is a triangle, so the area of a triangle is equal to:

B=\frac{b\times h}{2}

Where b is the base of the triangle and h is the height of the triangle. So, replacing b by 16 m and h by 9 m, we get:

B=\frac{16\times9}{2}=\frac{144}{2}=72m^2

Finally, replacing B by 72 m² and H by 10 m, we get that the volume of the pyramid is equal to:

V=\frac{1}{3}\times72\times10=\frac{1}{3}\times720=240m^3

Therefore, the volume is 240 m³

4 0
1 year ago
Which of the following is an example of a sample that would NOT be random?
Sloan [31]

Answer: D

"Separating the students on the list into boys and girls and choosing a sample from each group that is proportional to the size of the group."

Step-by-step explanation:

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5 0
2 years ago
The steps below show the incomplete solution to find the value of x for the equation
mafiozo [28]
Step 1: 6x - 2x - 5 = -6 + 21 
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The next step would be to add 5 to both sides of the equation. 
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Hope this helps! :) 

    
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saul85 [17]

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5 0
2 years ago
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