lamamoti30
lamamoti30 lamamoti30
  • 02-06-2021
  • Mathematics
contestada

solve:
[tex] \sqrt{x} + \sqrt{5 + x} = 15 \div \sqrt{5 + x} [/tex]
​

Respuesta :

goyangi
goyangi goyangi
  • 02-06-2021
x = 4

Explanation:

sqrt(x) + sqrt(5 + x) = 15 / sqrt(5 + x)

sqrt(5 + x)[sqrt(x) + sqrt(5 + x)] = 15

sqrt(5x + x^2) + 5 + x = 15

sqrt(5x + x^2) = 10 - x

Take square of both sides

5x + x^2 = (10 - x)^2

5x + x^2 = 100 - 20x + x^2

Cancel x^2

5x = 100 - 20x

25x = 100

x = 4
Answer Link

Otras preguntas

The pressure within a 5.75L balloon is 2.00 atm. If the volume of the balloon increases to 8.45L, what will the final pressure within the balloon be if the temp
what is the time interval between the release of the ball and the time it reaches its maximum hieght? the acceleration gravity is 9.81m/s^2 and the maximum heig
Stem-and-Leaf Plots question: How many swimmers were younger then 30 Stem -- Leaf 0 1-- 1 2-- 3,9 3 --
Consider the following statement. Fourteen more than 12 times the number equals 37 less than 11 times a number. a. Write an equation to represent the statement.
why do living things need nitrogen?
How many counting numbers are between 30 and 65, not including 30 and 65?
how can temperature can affect communication?
How is the graph of y=-8x^2-2 diffrent from the graph of y=-8x^2
solve for 3x+9=44-2x
how do you say 'im getting over you' in spanish