Answer:
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Answer:
Step-by-step explanation:
The volume of the cone is one-third of the product of its base area and its height. The volume of the right circular cone is 25.1352 m³.
<h3>What is the volume of a cone?</h3>
The volume of the cone is one-third of the product of its base area and its height. It is given by the formula,
The Volume of Cone = (1/3) × π × (d/2)² × h
Given the circumference of a circle is 9 m, therefore, the radius of the base circle is,
Circumference of circle = 2πr
9 meters = 2 × π × r
r = 1.4323 m
The height of the cone is 11.7 m, while the radius of the cone is 1.4323, therefore, the volume of the cone can be written as,
The Volume of the cone = (1/3)πr²h
= (1/3) × π × (1.4323²) × 11.7
= 25.1352 m³
Hence, the volume of the right circular cone is 25.1352 m³.
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Answer:
b) 50
Step-by-step explanation:
750/15 = 50
Answer:
27. My fiend solved the inequality correctly but graphed it incorrectly. The statement "x > 5" is correct but but since the symbol is "greater than" it should have been graphed with an open circle to the right rather than a closed circle to the right.
28. My friend is incorrect for both solving the inequality and graphing. The correct answer for solving the inequality would be "5 ≥ x ". And for graphing the correct answer would be closed circle to the right since the symbol is greater than.
Step-by-step explanation:
27. Solving the inequality
x - 7 > -2
+ 7 + 7
------- ------
0 5
answer: x > 5
Graphing the inequality
Since the symbol is greater than, it would be a open circle to the right because the the right of the number line is positives and the bigger numbers. It would be an open circle because unlike question 28 the symbol is just greater than, not greater than or equal to.
28. Solving the inequality
8 ≥ x + 3
-3 - 3
-------- --------
5 0
answer: 5 ≥ x
Graphing the inequality
Since the symbol is greater than than or equal to, it would be a closed circle to the right because the the right of the number line is positives and the bigger numbers. It would be an open circle because unlike question 27 the symbol is just greater than or equal to, not just greater than.
This might not be the right way to do it or the right answer for that matter, I am very new to solving and graphing inequalities so I just decided to give this one a shot.
Hope this helps ; )
