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

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

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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

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