mohdaadel mohdaadel

09-08-2020
Mathematics

contestada

The sum of the cubes of 3 numbers which are in the ratio 1:2:3 is 7776. Find the numbers

Respuesta :

konrad509 konrad509

09-08-2020

the numbers - [tex]x,2x,3x[/tex]

[tex]x^3+(2x)^3+(3x)^3=7776\\x^3+8x^3+27x^3=7776\\36x^3=7776\\x^3=216\\x=6\\2x=12\\3x=18[/tex]

6,12,18

Answer Link

Otras preguntas

Help me with this question!!

what role did the original religions play in Africa once Christ and Islam was introduced

how many cubes with an edge length of 1/2 are needed to build a cube with an edge length of 1 inch

Please help!!!!!!!!! Use the net to find the approximate surface area of the cylinder to the nearest square meter •A. 273 m^2 •B. 179 m^2 •C. 302 m^2 •D. 151 m^

Does the data below describe a linear, quadratic, or exponential function? A. Linear B. Quadratic C. Exponential

QUESTION 1 The ratification fight over the Versailles Treaty illustrated a division among Americans between

(2x+9)(6x+6) please help ne solve this in the simplest term

When the displacement in SHM is one-half the amplitude xm, what fraction of total energy is (a) kinetic energy and (b) potential energy (c) At what displacement

What is m A. 40° B. 50° C. 80° D. 100°

During Quarter 3, you read about and discussed the importance of standing up for things that matter. Civil Rights leader Mahatma Gandhi wrote, "Be the change yo