Answer:
5:7
Step-by-step explanation:
Let the radius of first hemisphere be 'r' units
Let the radius of second hemisphere be 'R' units
2 x \piπ x r^2 / 2 x \piπ x R^2 = 25 / 49
r^2 / R^2 = 25 / 49
r / R = 5 / 7
the ratio of radii is 5:7.
Answer:
x = 
Step-by-step explanation:
Given
3x - 
= - 
Multiply through by 10, the lcm of 5 and 2 to clear the fractions
30x - 8 = - 5 ( add 8 to both sides )
30x = 3 ( divide both sides by 30 )
x = 
=
Answer:
Step-by-step explanation:
First you need to set up the equation 2/3+1/4/1/2, and we know that there is a stratgey for dividing fractions as well. But first, we need to find the least common fator for 2/3 and 1/4 which is twelve which would be 8/12+3/12 which is 11/12 and 11/12 dividing by 1/2 is 22/12 since all you need to do is do the keep change flip method which would give you an answer of 1 10/12 or 1 5/6
Answer:
1836.46
Step-by-step explanation:
10500*(84/100)^10=1836.46
