I think she is correct because if u divide 100 to 5 u'll get 20 and if u divide 40 to 2 u'll get 20 so yea
26.2 miles using a fraction is 131/5
50 degrees since a triangle is 180 degrees and the other 2 are 40 and 90
Answer:
d. 32.9
Step-by-step explanation:
To find c, we'll use the Law of Sines that says:

And we'll isolate a to get:

We first need to find A, which is easy. The sum of the interior angles of a triangle is 180 degrees... and we already have 2 of them, so:
A = 180 - 90 - 47.3 = 42.7
(converted 47°18' to 47.3)
Then we will plug-in the information we already have

So, let's round it to 32.9 to match the answer number D.
Take the -3/5 and add it to 1/30 which would equal 19/30, so x= 19/30