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

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

Relax

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 value of a makes the equation true? 9a+2=4a-18
What are some key words to use in writing and evaluation?
What does the random variable (r) for a binomial experiment of n trials represent?
Is the following correspondence a function
let f(x)=2x-6. solve f^-1(x) when x=2.
why do we use a coeficient to remove the propotionality
Is economic equality an attainable goal?
Ricky had 50 cookies and gave 72% of the cookies to his friend Alice. Find the number of cookies Alice receive
Helen Grey By Christina Georgina Rossetti Because one loves you, Helen Grey, Is that a reason you should pout, And like a March wind veer about, And frown, and
If a 35 ft rope is cut into two sections with one section 6 times as long as the other section, how long is the shorter piece?