Answer:
21x+53
Step-by-step explanation:
Step 
<u>Find the length of the side MN</u>
we know that
Applying the Pythagorean Theorem

Solve for MN

in this problem

Substitute in the formula above



Step 
<u>Find the value of cos (M)</u>
we know that
in the right triangle MNL


Substitute



therefore
The answer is
The value of cos(M) is equal to 
Answer:
Thanks for the points! Merry Christmas!
Step-by-step explanation:
3/4<span> / 2</span>
= 6/8 / 2
= 3/8
You need 3/8 cups of flour