Levi2169 Levi2169

18-05-2017
Mathematics

contestada

what is the square root of 2x minus 9 equals the square root of x

Respuesta :

21-05-2017

sqrt(2x-9) =sqrt(x)
squre both sides to clear the sqrt
2x - 9 = x
subtract x from both sides
x - 9 = 0
add 9 to both sides
x = 9
CHECK
sqrt(2* 9 - 9) = sqrt 9
sqrt 9 = sqrt 9
3 = 3

Answer Link

Otras preguntas

The offspring of a cross between a plant with purple flowers are 23 plants with purple flowers and 26 plants with white flowers. What are the genotypes of the p

find the vertex f(x)=(x-7)²+3

what is the direct object pronoun for Yo _______ traigo. (los cuchillos)

PLEASE HELP ASAP!! explanation would be great.

What amount of heat is removed to lower the temperature of 80 grams of water from 75º C to 45º C? The specific heat of liquid water is 4.18 J/gº C. A. -10,000 J

There is a 3:4 ratio of cats to dogs at the humane society in Broward County. If there are 48 cats, how many dogs must there be? 1. 54 2. 64 3. 68 4. 76

describe how rome went from a republic to an empire

what is the simplified form of (3.25*10^3)(7.8*10^6) written in scientific notation

If m<4=100,find m<2 I'm trying to find the answer

Which of the following is not an undefined term? point ray line plane