Answer:
19.4 cm
Step-by-step explanation:
Hi there!
This is a right triangle. We're given an angle, the side adjacent to the angle and we're solving for the hypotenuse. Given this information, we can use the cosine ratio:

Plug in the given angle and side

Therefore, the length of BC is 19.4 cm when rounded to 3 significant figures.
I hope this helps!
Let's see this original ewuation:

1) Substitute 4 in for x:

2)Subtract 4 from both sides. This cancels out four.

3)Cancel:

4)Multiply both sides by negative 1:

Answer:85
Step-by-step explanation:
Answer:
There is no image
Step-by-step explanation:
Answer:
$802.75
Step-by-step explanation:
1235x0.35=432.25
1235-432.25=802.75