Answer:
Step-by-step explanation:
surface area of cube = 6×8² = 384 cm²
lateral area of pyramid = surface area of pyramid - base area
= 384 - 8²
= 320 cm²
area of triangular face = 320/4 = 80 = ½(base)(slant height) = ½(8)(slant height)
slant height = 20 cm
Step-by-step explanation:
first pick has probability

second pick has probability

combined probability is

Answer:
The first friend
Step-by-step explanation:
Because if you distributed the 7 then you will also get 7x.
Spend 45 minutes in the gym, then spend the rest hour and 15 minutes in the pool.
Answer:
The hummingbird beats its wings 86 400 times in one hour.
Step-by-step explanation:
There are 60 minutes in an hour. There are 60 seconds in a minute.
1h = 60m
= 60 × 60s
= 3600s
1s = 24 times
3600s = 24 × 3600
= 86 400 times