What is a possible value for the missing term of the geometric sequence? 1250 , _ , 50 ,

Hence, the possible missing number is:

250 or -250

Step-by-step explanation:

We have to find the missing term in the given geometric sequence.

1250 , _ , 50 , ...

Let a denote the first term of the sequence and r denote the common ratio of the geometric sequence then the geometric sequence is defined as:

Let:

so that means:

so, the possible missing number is calculated at two values of r.

Hence, the missing number is:

or

wholesale price is the initial price before markup. retail price comes after the markup.

a price of 8 bucks that's marked up by 100%   is

formula: initial price + (percent markup in fraction/decimal)(initial price)

8+(1)(8)

8+8

16

retail price is $16.

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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