321poopee
321poopee 321poopee
  • 12-05-2020
  • Mathematics
contestada

Given that
x:8=2:x
Calculate the positive value of x.

Respuesta :

Hi1315
Hi1315 Hi1315
  • 12-05-2020

Answer:

[tex]x = 4[/tex]

Step-by-step explanation:

[tex]x : 8 = 2 : x \\ \frac{x}{8} = \frac{2}{x} \\ \\ cross \: \: multiple \\ {x}^{2} = 16 \\ x = \sqrt{16} \\ x = 4[/tex]

Answer Link
PollyP52 PollyP52
  • 12-05-2020

Answer:

4.

Step-by-step explanation:

x/8 = 2/x

Cross multiply:

x^2 = 16

x = 4.

Answer Link

Otras preguntas

What map element shows the directions north, south, east and west?
Simplify the expression. –16 • 1/8 • 4 + 32 ÷ 2 a. –36 b. 24 c. 8 d. 12
What is 31/100, 51/100, 67/100, 89/100, 97/100, and 50/100 simplified..? Please answer..
what is 8.478 in expanded form
is Mars luminous????
Which best describes the significance of the Epic of Gilgamesh? a. It is a classic epic and a source of information on Sumerian values. b. It explains why the
words: aider bande dessinée bricoler equipe jeu jouer marcher pratiquer skier sport 1) Notre______ joue un match cet après-midi. 2) Le tarot e
240,000 rounded to the nearest hundred thousand?
President Hoover responded cautiously to the Great Depression because he A. thought that the business cycle would correct itself. B. was distracted by the gian
Enlightenment thinkers questioned traditional ideas about.? a.) government b.) medicine c.) religion d.) science