Answer:
24.89
Step-by-step explanation:
sin 40 = 16/x
x = 16/sin 40
x = 24.89
Answer:
21
Step-by-step explanation:
0 solutions
move the x to one side, and the numbers to the other.
12x (-12x) + 32 (-32)= 12 (-12x) - 7 (-32)
12x - 12x = -7 - 32
0 = -39
0 ≠ -39
∴ you have 0 solutions
hope this helps
Answer:

Step-by-step explanation:
Given: A sound wave travels through iron at a rate of 
To find: rate at which the sound wave travel in 
Solution:
Use the following units conversions.


Now convert
into 
Therefore,

Answer:
It’s the first one
Step-by-step explanation:
I