mugegs2015 mugegs2015

07-08-2017
Mathematics

contestada

Help Please..

Factor the following as the sum of two cubes.
8000 + a^3

Respuesta :

ghanami ghanami

07-08-2017

hello :
8000 = 8 ×1000 = 2 ^3 ×10^3 = 20 ^3
note; identity b^3 +a^3 = (a+b) (a²+b² - ab)
in this exercice : b=20
so : 8000+b^3 = (a+20)(a²+400 - 20a).... Factor the following

Answer Link

Otras preguntas

list down at least 5 ways that your parents show their love for you.

The nfl regulation extra point is kicked 15 yards from the goal line. How many inches away from the goal line is the extra point kick?

A water tank holds 720 gallons but is leaking at a rate of 4 gallons per week. A second water tank holds 960 gallons but is leaking at a rate of 7 gallons per

please help me with this

Compare the types of evidence used by the Greeks and later by John Dalton to support their respective models of the atom

I just rlly need help-

Please help me with theses division problems!!!

On Monday Joe runs 1/2 of a mile. On Tuesday he runs 1/3 of a mile. How far has he ran in both days together?

Give the quadrant for the following point(-3,5)

How many even numbers greater than 40,000 can be created using these digits. 2 9 1 6 8