1/5 cups of sugar are used for every cup of water.
Answer:

Given:
- adjacent: 4 cm
- hypotenuse: x cm
- angle: 45°
<u>using cosine rule:</u>




Answer: Basically divide both number.
Step-by-step explanation:
Go to App sotr if u got iPhone or if u got android go to play store and download the app called PHOTOMATH and when u scan the answer it's gonna show the steps and the answer.
#1 is y=1 ill give you the others in a min.