356 is the surface area in centimeters
Answer:
252
Step-by-step explanation:
9 x 28 = (9 x 20) + (9 x 8)
9 x 20 = 180
9 x 8 = 72
180 + 72 = 252
9 x 28 = 252
(hope this helps can I pls have brainlist (crown) ☺️)
Answer:
7 1/3
Step-by-step explanation:
V = πr²h
V₁ = π x 4² x 11 = 176π
v₂ = π x 2² x 6 = 24π
V₁ /v₂ = 176π / 24π = 22/3 = 7 1/3
Answer:
25
Step-by-step explanation:
a square has 4 sides.
100/4=25
Answer: D. 21ways.
Step-by-step explanation:
This is based on selection, fixing two '3' numbers into 5numbers to make it 7 numbers can be done in 7C2 ways.
Generally, nCr = n!/(n-r)!r!
7C2 = 7!/(7-2)!2!
=7!/5!2!
=7×6×5!/5!×2!
=7×6/2
=21ways (D)
