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 ( 67+ )
Otras preguntas
Summarize how the actions of the heartbeat make their first and second sounds.
As the owner of a small business, Zebadiah is deciding what materials he should use to make the softest teddy bears on the market. Zebadiah is solving which key
Ammonia, NH3 (Hf = –46.2 kJ), reacts with oxygen to produce water (Hf = –241.8 kJ) and nitric oxide, NO (Hf = 91.3 kJ), in the following reaction: What is the
What part of the essay do the following sentences most likely represent? Another similarity between the spring and fall seasons is the rapid change that is visi
(24-y)/4=4 i need to solve for y but cannot remember how to execute the process
Chemistry:give the number of significant figures in this number: 0.025
Which vessels are composed of only a single layer of endothelial cells?
Why is gatsby important in the book the great gatsby?
In humans,2N=46. This means that 46 is the _______ number. a Diploid b Common c Meiosis d Haploid
In △PQR, find the measure of ∡P. Triangle PQR where angle Q is a right angle. PQ measures 33 point 8. PR measures 57 point 6. Measure of angle P is unknown
