a sequence is defined recursively using the formula f(n+1) = - 0.5f(n) if the first term of the sequence is 120 , what is f(5)

x> 6

step-by-step explanation:

8x+8> 7x+14

8x-7x> 14-8

x> 6

hello,

b) 62.47% of the students are between 14 and 18 years old.

step-by-step explanation:

mean = 15 and standard deviation = 2

student between 14 to 18

formula used z-score

for age 14 , z score

using z-table , p(z> -0.5)=0.3085

for age 18 , z score

using z-table , p(z< 1.5)=0.9332

p(-0.5< z< 1.5)=0.9332-0.3085 = 0.6247

thus, 62.47% of the students are between 14 and 18 years old.

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step-by-step explanation:

step-by-step explanation: it is d