beodyellis8 beodyellis8

03-05-2017
Mathematics

contestada

If the ratio of the radii of two spheres is 2:3, the ratio of their surface areas will be 8:27.

Respuesta :

mreijepatmat mreijepatmat

05-05-2017

The ratio of 2 similar areas is the square of the ratio of their RADIUS or (sides)
R²=(2/3)² = 4/9 This should be the answer

Whereas R³ = (2/3)³ = 8/27 is the ratio of their volume & not area

Answer Link

Otras preguntas

A cheetah can run a rare of 105,600 years per hour find the number of miles the cheetah could run at this rate in 5 minutes.

PLEASE HELP!!!!!! 25PTS!! Which statement explains why △ABC is congruent to △A′B′C′? a)You can map △ABC onto △A′B′C′ by reflecting it over the y-axis and transl

How many moles of sodium hydroxide are required to react completely with 23.1 moles of sulfuric acid? H2SO4(aq) + 2NaOH(aq) = 2H2O(l) + Na2SO4(aq) Select one: a

3/4 c - 7/12 + 7/24 c + 2/3 - 1/6 c

You need to configure your Android phone so that you can receive your Yahoo email on the device. What information would you need to provide?

If P = Set of all triangles, Q = Set of scalene triangles, R = Set of isosceles triangles andS = Set of equilateral triangles.State which of the following state

where are white and green mountains located

What is the most likely reason why a sales associate sets appointments with the seller using a range of time rather than a specific time

Find the nth term of this quadratic sequence4,9, 16, 25, 36,

PLEASE HELP!! What does the electromagnet in an electric motor do? A. It transforms mechanical energy into electrical energy. B. It transforms magnetic force in