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3 years ago

What is the answer to this problem?

Mathematics

2 answers:

julsineya [31]3 years ago

6 0

<h2>Answer</h2>

A = 9

B = 19

<h2>Explain</h2>

If median are getting from " ( a + b ) ÷ 2 " . So :

Find b :

(a + b) ÷ 2 = Median

(17 + b) ÷ 2 = 18

17 + b = 18 × 2

17 + b = 36

b = 36 - 17

b = 19

In conclusion, the value of b is 19

Find a :

$\frac{7 + a + 12 + 15 + 17 + 19 + 20 + 22 + 24 + 25}{10} = 17$

$\frac{161 + a}{10} = 17 \\$

$161 + a = 17 \times 10$

$161 + a = 170$

$a = 170 - 161$

$a = 9$

In conclusion, the value of a is 9

#LearnWithBrainly

<h3>GAK BISA BAHASA INGGRIS :(</h3>

tangare [24]3 years ago

4 0

9 because it’s skip counting by 3 and 2

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