Answer:
a) 42.8 degrees.
Step-by-step explanation:
sin-|(-0.27 +0.95) means the angle whose sine is (-0.27+0.95)
= sin-1(0.68)
Using a calculator the answer is 42.8 degrees.
1/3 = 20/60
2/5 = 24/60
3/10 = 18/60
1/4 = 15/60
The shortest is the wood piece with the length of 1/4 ft
Answer:

Step-by-step explanation:
we have

step 1
Convert mixed number to an improper fraction


step 2
Adds the fractions

step 3
Convert to mixed number
