Saturday

September 20, 2014

September 20, 2014

Posted by **Johnny** on Wednesday, September 8, 2010 at 1:31am.

a)7.7%

b)50%

c)100%

d)75%

e)22%

- Math -
**drwls**, Wednesday, September 8, 2010 at 6:26amradius is proportional the square root of area.

R2/R1 = sqrt(A2/A1)

relaive change = (R2 - R1)/R1

= (R2/R1) - 1

sqrt(1.50) - 1 = 0.2247 = 22.47%

**Answer this Question**

**Related Questions**

math - A spherical baloon expands when it is taken from the cold outdors to the ...

physics - A spherical baloon expands when it is taken from the cold outdors to ...

Physics - I need help on two problems :P 1. A spherical balloon is partially ...

Calc - Air is being pumped into a spherical balloon so that its volume increases...

calculus - Air is being pumped into a spherical balloon so that its volume ...

calculus - Air is being pumped into a spherical balloon so that its volume ...

Calculus - Air is being pumped into a spherical balloon so that its volume ...

Calculus - Air is being pumped into a spherical balloon so that its volume ...

Math - A spherical balloon has a circumference of 10 inches. If it expands to ...

math - A design on a balloon is 6 cm wide when the balloon holds 44 cm to the ...