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

Please answer asap!!! The measures of two supplementary angles are (3x + 5)° and (7x + 6)°. What is the measure of the smaller angle? A. 51.7° B. 12.7° C
dissolve silt makes the look yellow
What subatomic particle is specifically responsible for combining the atoms together to form a new substance?
Which of these is not a lipid? steroid fat polysaccharide wax phospholipid?
Solve by graphing y = -3 y = 6x - 3
"Andalus (the Iberian peninsula), which was conquered in the year 92 of the Hijra, continued for many years to be a dependency of the Eastern Khalifate, until i
Find the slope and the y-intercept of the equation y − 3(x − 1) = 0.
In the country of Apexistan, 7% of the population was unemployed in September of 2007. If there were 147,000,000 people willing and able to work in Apexistan du
Express this equation in logarithmic form. 2^3 = 8
five times a number (n) subtracted from 50 is 15