Step-by-step explanation:
umm the 2nd one?
Is this multiple choice?
Answer:
1- 7cm × 7 cm - 49 cm squ.
13cm × 13 cm -169. cm square
19×19-361 cm square
1/2(5-7x)=8-4x+6
-7/2x+5/2=-4x+14 Simplify both sides
1/2x+5/2=14 Add 4x to both sides
1/2x=23/3 Subtract 5/2 on both sides
2*(1/2x)=2*(23/2) Multiply both sides by 2
x=23 - Final Answer
Cheers, Irys
Answer:
<u><em> V=905.14 m³</em></u>
Step-by-step explanation:
Volume of a sphere= 4/3 π r³
V= 4/3 (22/7) (6)³= 19008/21= 905.14 m³
3 times a number h means
3h