Answer:
Step-by-step explanation:
The LCM of 14, 21 and 6 is 42
We require to change the fractions to fractions with a denominator of 42
+ 
+ 
= 
+ 
+ 
← add the numerators, leaving the denominator
= 
= 
← divide both values by 2
= ← in simplest form
34.76
o
, nearly.
Explanation:
Angle of elevation = arc tan( (vertical height)/(length os the shadow)).
Here, this angle is
arc tan (12.5
/
18) =
34.78
o
, nearly
Answer:
split the other three in half
Step-by-step explanation:
- What is
? Explain it.
Combine y and 3y to get 4y.
Add 0 and 24 to get 24.
Divide both sides by 4.
Divide 24 by 4 to get 6.
