Answer:
30% of 30 is 9, so the sale price is $21.00
Step-by-step explanation:
use a calculator and find 30% of 30$, then subtract the value from the calculator, boom, done.
No answer!
Step-by-step explanation:
42+6=48÷2=24
what is the answer of this question?
or the answer 45.
I can't under stand sir!
Answer:
-47
____
36
Step-by-step explanation:
Answer:
BC ≈ 19.4 cm
Step-by-step explanation:
Using the cosine ratio in the right triangle
cos71° = 
= 
= 
( multiply both sides by BC )
BC × cos71° = 6.3 ( divide both sides by cos71° )
BC = 
≈ 19.4 cm ( to 3 significant figures )
