Which of the following has four, eight and one nine??
A.88889
B.4819
C.888819
D.489

D. 489

Step-by-step explanation:

489 has the number,

four - 4

eight - 8

and ONE nine - 9

Hope this helps :)

(sin 42)/31. = sinx)/37

sinx = 37 (sin42)/31

= 37× 0.66/31 = 0.787

x= 51.9

other angle opposite to y = 180-51.9-42

= 180- 93.9 =86.1

so

sin42)/31 = sin 86.1)/y

0.021 = 0.997 /y

y= 0.997/0.021 =47.47