Answer:
x= 6
y= 7
Step-by-step explanation:
multiply top by 2 then eliminate
Answer: 0
Explanation:
-1/2n -(-1/2n)
= -1/2n + 1/2n
= 0
Answer:5x times -7
Step-by-step explanation:
You ignore the brackets and move the 2x to the other side. Then move the 4 to the other side
Soooooo sorry but I only understood part a and c.
sorry
Answer:
6541.7 mm³ (nearest tenth)
Step-by-step explanation:

Given that the height is 40mm, h= 40mm.
Diameter= 2(radius)
Radius of cone
= 25 ÷2
= 12.5mm
Volume of cone

= 6541.7 mm³ (nearest tenth)