sijin54 sijin54
  • 24-08-2018
  • Mathematics
contestada

If 2a = 3 + 2b, prove that 8a3 – 8b3 – 36ab = 27.

Respuesta :

jilko505
jilko505 jilko505
  • 24-08-2018

b = -0.5 and a = 1. 2=3+-1. 1 to the third power is just 1, times 8 is 8. -0.5 to the third power is -0.125. -0.125 times 8 is -1. 8 - (-1) is 9. 36 times 1 is 36, times -0.5 is -18. 9-(-18) = 27. I hope this helps! Could I possibly get brainliest?

Answer Link

Otras preguntas

Which sentence uses the underlined word correctly? A. The geese in the river swam together between the cattails. B. The geese in the river swam together amon
solve the system x+y=54 x-5y=0 A. (-45, -9) B.(45, 9) C. (9, 45) D. (45, 9)
If something is your.you are to blame for it
An unknown number y is 15 more than an unknown number x. The number y is also x less than 8. The equations to find x and y are shown below. y = x + 15 y = −x
why did european nations increasingly form allies in the 1900s
What effect did the burning of Baghdad in 1258 have on the Islamic Empire?
I want to discard my old computer and want to securely erase the data from my hard drive. What software can I use to do this and what is the process called?
evaluate the physical, social and economic consequences of this crime to offender. how did this corruption impact negatively in the country; for example service
You have read the poems “Mending Wall” and “Any Human to Another.” Although the poems were written at different times in American history, they share some thema
What happens to a comet after it has made several trips around the Sun?