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spotty2093
20.08.2019 •
Mathematics
Nina can type 45 words per mindre. write the ordered pairs (number of
minutes, number of words) nina can type for 0, 1, 2, and 3 minutes.
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Ответ:
Minutes - Words written
0 - 0
1 - 45
2 - 90
3 - 135
Step-by-step explanation:
Multiply minutes with the number of words written
Ответ:
1577.20 ft³
Step-by-step explanation:
Cube of length = 12 ft = a
Hole diameter which is cutout = 4 ft = d
Hole radius which is cutout = 4/2 =2 ft = r
Volume of the cube = a³
⇒Volume of the cube = a×a×a
⇒Volume of the cube = 12×12×12
⇒Volume of the cube = 1728 ft³
The hole cut out will be in the shape of a cylinder
Volume of cylinder = πr²h
⇒Volume of cylinder = π×2²×12
⇒Volume of cylinder = 150.79 ft³
Now volume of the solid figure with hole cut out is
Volume of the cube - Volume of cylinder
=1728 - 150.79
=1577.20 ft³
∴ Volume of solid figure not including hole cutout is 1577.20 ft³