2(2x^3+4x-1) is the answer.
Answer:
15205.3
Step-by-step explanation: H=30 R²=484 3.14=π →= rounded up to tenth V = Volume
<em><u>formula (no numbers): H x R² x π ÷</u></em><u> </u><u> (or 3) </u><em><u>= V</u></em>
<u><em>how i got the answer : 30 x 484 x 3.14 ÷ 3 = 15205.31 → 15205.3</em></u>
<h2>c=10.35</h2><h2><a=50.87°</h2><h2><b=87.13°</h2>
Step-by-step explanation:
as we know
law of cosine
using the law of cosine
b=87.13°
Trumpet=1\2 x 4=2
trombone=2+2=4
tubas=2
answer=2+2+4=8