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mixas84 [53]
3 years ago
14

Thirteen people with different heights have a median height of 145 cm. How many people are taller than 145 cm ?

Mathematics
2 answers:
Vikentia [17]3 years ago
6 0

there r 5 people taller than 145 cm


ruslelena [56]3 years ago
5 0
Median is the middle height when arranged in increasing order

so it is like this

1,2,3,4,5
median is 3

so 13 people means 13 numbers
example
100,101,102,103,104,105,145,146,147,148,149,150,151
145 is median

there are 6 people taller than 145cm
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Salutations!

To find the nth term, you will be needing a formula.

a +(n-1) *d

a stands for the first term (first number in the sequence)

d stands for the difference between two terms. (always remember to subtract from the 2nd term to the 1st term)

and the n is what we are going to find

so in your sequence: 5, 10, 15, 20

5 is a (as it is the first term)

d would be 5 ( 10 -5 =5)

a+(n-1)*d

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your nth term is 5n+0

Hope this helps!

Have a great day!
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Therefore, find f(2) and g(2) first before subtracting.

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Then put f(2) to subtract g(2)

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Therefore, the answer is (f-g)(2) = -49.

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