The answer would be 18.
18 divided by 3 would equal 6
20-18 would equal 2
3. y=-2/3x-4
4. y=4
5. y=x+5
Distribute
4x+3x-6=-20
7x-6=-20
add 6 to both sides
7x=-14
divide both sides by 7
x=-2
Answer:
5089.4cm³ (rounded to 1 d.p.)
Step-by-step explanation:
Volume of cylinder = × r² × h
Volume of cylinder = × 9² × 20
= 1620
= 5089.4cm³ (rounded to 1 d.p.)