2 years ago

2.

Mathematics

1 answer:

Paraphin [41]2 years ago

5 0

<h3> Hope this attachment helps u</h3>

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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

Westkost [7]

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:

The average number of tickets sold per school child is the weighted mean calculus between the number of tickets sold by these classes and the number of children in each classes.

This is the multiplication between the number of tickets sold by these classes and the number of children in each classes divided by the total weight(in this exercise, the total weight is the total number of school child).

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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Bradley had 25 baseball cards in his collection. He receives x number of baseball cards for his birthday.

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Answer:

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Step-by-step explanation:

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If f(x) = │(x² – 50)│, what is the value of f(-5) ?

Liula [17]

$f(x)=|(x^2-50)|\\\\f(-5)=|(-5)^2-50|=|25-50|=|-25|=25\\\\\\|a|= \left\{\begin{array}{ccc}a&for&a\geq0\\-a&for&a < 0\end{array}\right\\\\|-3|=3;\ |5|=5;\ |0|=0;\ |-12|=12$

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3 years ago

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1(3/11-7d/17) using distributive property

nadezda [96]

D=51/77
First set up the equation equal to zero(0), the distribute from there.

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2 years ago