the formula for the surface area of a sphere of radius r
is a = 4πr²
and so, if r = 8 units, then the surface area is:
a = 4π(8 units)² = 256π units² (answer b)
Answer from: Quest
just do 5.2 + 2 ( 7.2) and 1/3 x 3 (.9) and youv'e got your equation. 0.9( 9/10) + 7.2 ^2 = 16.4 hope i could !
step-by-step explanation:
Answer from: Quest
19
step-by-step explanation:
Answer from: Quest
A) for the n row: 22+(n-1)×6therefore,b) 100-22=78that means (n-1)×6=7878÷6=1313+1=1414th row has 100 seats
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