Answer:
X=7
Step-by-step explanation:
Answer:
0.866
Step-by-step explanation:
By definition


We know that
. Inverse of sine is arcsin, so, angle
is computed as

Therefore, cosine of
is
cos (30°) = 0.866
Answer:
the number of black tokens in the bag is 2
Step-by-step explanation:
The computation of the number of black tokens in the bag is as followS
Given that
There is 8 green tokens
and, the ratio of green tokens to black tokens is 4:1
So let us assume the black tokens be x
So,

Now do the cross multiplication
x = 2 tokens
Hence, the number of black tokens in the bag is 2
Just be patient: y = -sqrt(8.41) = calculator (negative value) and so on. The last one is 0! :)