85 to 60 will take 5 min
90 to 60 will take 6 min
Answer:
1055.6
Step-by-step explanation:
Volume of a cone formula is
So the volume of this cone with h=28 and r=6
Answer:
Step-by-step explanation:
Given
---Proportion
--- Sample Size
Required
Determine the variance
Variance (Var) is calculated as follows;
Substitute values for n and p
Convert percentage to decimal
<em>Hence, the variance is 2.64</em>
Answer:
In 6/ 12 hours they will be the same.
Answer:
y = 9 inches
Step-by-step explanation:
Since the base angles are congruent then the triangle is isosceles with both legs being equal.
Using Pythagoras' identity in the right triangle
y² = 9² + 9² = 81 + 81 = 162 ( take the square root of both sides )
y = = = 9