Progressão aritmética Fórmula do termo geral de uma PA

an = a1 + (n-1) r an: último termo a1: 1º termo n: quantidade de termo r: razão Vamos praticar:

1.Calcular o décimo termo do PA (3, 7, 11,...)

$9.41

step-by-step explanation:

answer: 16

step-by-step explanation: first you would add 6+6 which equals 12 then add 2+2 which equals 4. then add 12 + 4 which is 16.

hope this ^_^

x-150=475   x=625

step-by-step explanation:

if the bike after the sale ($150) is $475 then just simply add 150 to 475.

answer would be 8.64 or s = 11π/4 inches

step-by-step explanation:

s = r θ  

where s = arc length  

r = radius = 3 inches  

θ = central angle in radians = ( π /180)*165  

s = 3(π/180)*165  

= 8.64 inches