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 ( 73+ )
Otras preguntas
The scatterplot below shows the cost of phone calls Marcy made to her sister overseas inrelationship to the number of minutes per phone call. Based on the graph
In the Solow growth model without population growth or technological progress, if investment is greater than depreciation, the capital stock will ____ and outpu
How many french fries can I buy from a fast food restaurant without getting kicked out?
what is AB? in the right triangle shown, AC = BC = 2
______________________ is Piaget's formal-operational concept that adolescents have the cognitive ability to develop hypotheses, or best guesses, about ways to
Suppose that a chain letter is started by someone in the first week of the year. Each recipient of the chain letter mails copies on to five other people in the
Radiation is the most penetrating type of radiation
Natalie buys fashion magazines and idolizes the models she reads about. The women featured in these magazines put forth ______. Group of answer choices emphasiz
A rectangle has an area of 1,184 square meters and a base of 37 meters. What is theheight?
Which of the sentences correctly describes what a ballet dancer does at the end of his performance? El bailarin practica el baile El bailarin ensaya muchas hora
