Answer:
6.7
Step-by-step explanation:
This is trigonometry. We will have to find the opposite leg and the hypotenuse is given to us as 10. So we will have to use sin.
Soh in Soh cah toa
So sin(42)=x/10
10 times sin(42)=x
Evaluate using a calculator=6.69130606 and so on
Rounded to the nearest tenth is 6.7
So the answer is 6.7
What exactly are you finding
Answer:
factor of 6 and 5
Step-by-step explanation:
Answer: 
Step-by-step explanation:
Here the give expression is,

We can write,
( because
)

⇒ Option D is correct.
They probably thought square rotting was dividing by 2. The correct answer is about 20