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topjm [15]
3 years ago
10

What is the sum of 81

Mathematics
2 answers:
Oxana [17]3 years ago
5 0

Answer:

The sum of 81 is 9*9=81

Step-by-step explanation:


Anuta_ua [19.1K]3 years ago
4 0
Hello!

9•8=81

Hope this helps and good luck!
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What is the volume of the figure
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Answer:

2411.52 cm³

Step-by-step explanation:

V = (2/3)πr³        Use the equation for volume of a hemisphere

V = (2/3)(3.14)(8)³     Simplify the exponent

V = (2/3)(3.14)(512)   Multiply

V = 1071.79 cm³

V = πr² h/3                   Now find the volume of the cone

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V = 1339.73 cm³

Add both of the volumes together to get the volume of the figure.

1071.79 + 1339.73 = 2411.52 cm³

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Midpoint is the center point on the line segment <br> True or false?
Mariana [72]
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