omegacliff omegacliff
  • 11-03-2019
  • Mathematics
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Find the value of x rounded to the nearest hundredth.

Find the value of x rounded to the nearest hundredth class=

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calculista
calculista calculista
  • 20-03-2019

Answer:

[tex]x=6.93\ units[/tex]

Step-by-step explanation:

To better understand the problem see that attached figure with letters

we know that

In the right triangle BCD

[tex]cos(C)=4/x[/tex] ----> equation A

we know that

In the right triangle ABC

[tex]cos(C)=x/12[/tex] -----> equation B

equate equation A and equation B

[tex]\frac{4}{x}=\frac{x}{12}\\ \\x^{2}=48\\ \\x=6.93\ units[/tex]

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