Mathematics, 14.07.2020 18:01 pineapplefun

The average (arithmetic mean) of a - 5 and a is x, and the average of a and a + 9 is y. What is the average of x and y? a + 1
B) a +2
C) 2a + 1
D) 2a + 2

Answers: 1

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The average (arithmetic mean) of a - 5 and a is x, and the average of a and a + 9 is y. What is the...

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The average (arithmetic mean) of a - 5 and a is x, and the average of a and a + 9 is y. What is the average of x and y? a + 1 B) a +2 C) 2a + 1 D) 2a + 2

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Another question on Mathematics

The average (arithmetic mean) of a - 5 and a is x, and the average of a and a + 9 is y. What is the average of x and y? a + 1
B) a +2
C) 2a + 1
D) 2a + 2