<em> - 2 1/3</em>
- <em>Step-by-step explanation:</em>
<em>Hi there ! </em>
<em>6 2/9 : ( - 2 2/3) =</em>
<em>= (6*9+2)/9 : -(2*3+2)/3</em>
<em>= 56/9 : - 8/3</em>
<em>= 56/9 × - 3/8</em>
<em>simplify 56 - 8 ; 9 - 3</em>
<em>= 7/3 × - 1/1</em>
<em>= - 7/3</em>
<em>= - 2 1/3</em>
<em>Good luck !</em>
<em />
Answer
a. The volume is multiplied by 4
b. The volume is doubled
Explanation
a. The volume of a cone with radius r and height h is
. If the radius is doubled, the new volume will be
, which is equal to
. This means that the volume is multiplied by 4.
b. The volume of a cone with radius r and height h is
. If the height is doubled, the new volume will be
, which is equal to
. This means that the volume is multiplied by 2.
This is an area problem where the area of a circle is pi*r^2.
A quiche with a diameter of 12 has an area of pi*6^2 = 36pi
So if it can feed 6 people, then the serving size per person is 6pi per person.
A quiche with a diameter of 10 inches has an area of pi*5^2 = 25pi
If each person requires 6pi worth of quiche, then 25pi/6pi = 4 1/6 people.
So yes, it can serve 4 people.
Answer:
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Step-by-step explanation:
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