tbianiceosmu79
tbianiceosmu79
09-05-2018
Mathematics
contestada
Help !! What’s the answer ??
Respuesta :
umisantosp6d6e9
umisantosp6d6e9
09-05-2018
10(x^2) = 90x where x > 0 or x < 0
Factor by 10x on each sides
10x(x) = 10x(9)
x = 9
Answer Link
mkryukova19
mkryukova19
09-05-2018
A number is n.
The square of a number is n ².
10 times of the square of a number is 10n².
90 times the number is 90n.
10n²=90n
n²=9n
n²-9n=0
n(n-9)=0
n=0
,
n-9=0,
n=9
Non-zero number is 9.
Answer Link
VER TODAS LAS RESPUESTAS ( 18+ )
Otras preguntas
NEED HELP IN MATH . SERIOUS ANSWERS PLEASE . EASY 10 POINTS .
A trait has two alleles, and their frequencies are represented by p and q. If p = 0.68, what is q
Consider the volume of a rectangular pyramid, one whose base is not square. Does changing one of the three variables (length, width, or height) by a given fract
Select the quadratic expression that represents the product below. -8x2 + 34x - 35 -8x2 - 34x + 35 -8x2 + 6x - 35 -8x2 - 6x + 35
If i have 350 sq ft of land i need to cover with mosh how many bags of mosh do i need if one bag has 2 sq ft?
Where did the first slave trade start
100 equals 15 minus x divided by 5
I'm stuck. I can't conjugate this..
In the south during Reconstruction, the civil rights act of was?
Need help please on these questions thank you
