Answer:426.6
Step-by-step explanation:
.138 x =.088(x - 69.7) + .394(69.7)
.138 x - .088x = 69.7(.394 - .088)
.05x = 21.3282
/
x = 426.564
This rounds to x = 426.6
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Answer:
A
Step-by-step explanation:
Using the cosine ratio in the right triangle
cos X = 
= 
= 
, then
∠ X = 
( ) ≈ 44° ( to the nearest degree ) → A
Answer:
520
Step-by-step explanation:
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Answer:
x=17
Step-by-step explanation:
VS is a straight line so it equals 180 degrees
The arc with be 180 degrees
VR + RS = 180
45+ 6x+33 = 180
Combine like terms
78+ 6x = 180
Subtract 78 from each side
78+6x-78 = 180-78
6x = 102
Divide each side by 6
6x/6 = 102/6
x =17
PEMDAS
you would do left to right and look for multiplication or division.
64/2= 31
31*16=512
