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riadik2000 [5.3K]
4 years ago
12

Calculate the mean of 12, 15, 6,

Mathematics
2 answers:
kvv77 [185]4 years ago
5 0
You add all the numbers then divide by how many numbers you have.
(12+15+6)/3 = 11
Effectus [21]4 years ago
3 0
12 + 15 + 6 = 33, 33 divided by 3 = 11.
(The answer is 11)
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Last week, Ann bought 9 books and 5 movies for a total of $124.
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Answer:

$6

Step-by-step explanation:

Set up a system of equations where b is the cost of a book and m is the cost of a movie:

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Solve by elimination by multiplying the top equation by -21 and the bottom equation by 5:

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6 0
3 years ago
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IrinaVladis [17]

Answer:

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Step-by-step explanation:

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In an isosceles triangle, the base angles are always congruent (equal). Since we know that one of the base angles is 64, and x is also a base angle, x is 64 degrees as well.

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yulyashka [42]
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Explanation:
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4 years ago
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