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mezya [45]
3 years ago
11

Please help me! I have a test and I really wanna pass it!!!

Mathematics
1 answer:
Dahasolnce [82]3 years ago
7 0

Answer:

7

Step-by-step explanation:

We have the expression 3n - 5, which we know the value of n is 4. We are asked to solve.

Since we know that n = 4, we can substitute 4 with n in the expression :

3(4) - 5

12 - 5

7

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Two groups of tourists each have 60 people. If 3/4 of the first group and 2/3 of the second group board buses to travel to a mus
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Answer:

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Three classes of school children are selling tickets to the school play. The number of tickets sold by these classes, and the nu
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Answer:

The expression for the average number of tickets sold per school child is:

M = \frac{tickets*class1 + tickets2*class2 + tickets3*class3}{class1 + class2 + class3}

Step-by-step explanation:

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So, the expression for the average number of tickets sold per school child is:

M = \frac{tickets*class1 + tickets2*class2 + tickets3*class3}{class1 + class2 + class3}

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