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brilliants [131]
3 years ago
12

The class with the greatest mean sales in a spring fundraiser will win a prize. The mean for Eric's class is $148. The mean for

Natalia's class is $152. Natalia's sale total is $150. If Natalia moves to Eric's class, the mean for each increases. Explain why.
Mathematics
1 answer:
bezimeni [28]3 years ago
6 0
The reason it would in crese is because they combin their money
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Sunhee had four plastic shapes a square, a circle, and a pentagon in how many ways can she line up the four shapes of the circle
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Answer:

only three shapes are mentioned.

But anyhow, 4 shapes allow the following reasoning...

you can start lining up with any of the for shapes, so you have 4 possibilities, for the second position you have 3 possibilities, for the third 2 and for the last only 1.

so 4*3*2*1= 24 possible ways

but with the added rule to keep the circle and the square apart, we have to reduce the number.

by the same step-by-step reasoning we get

4 possibilities for the 1st item

only 2 possibilities for the 2nd item

(if 1st is square or circle, the other one's not an option, if it's not we have to choose one of them to not place them both at point 3 and 4)

only 1 choice for the 3rd item

(reasoning as above, if 2nd is square or circle, we have to the only other, if it isn't, we can put it here at 3rd position)

plus scenarios where either square or circle are on 1st point, the other's on 4th.

I guess that makes 14 possible arrangements

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3 years ago
A transformation is given by the rule (x,y) → (x +3, y - 8). Which of the following describes the effect of this transformation
-BARSIC- [3]

Answer:

3

Step-by-step explanation:

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3 years ago
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Answer:

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It was a 15 percent tip
8 0
3 years ago
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Which one doesn’t belong? Why? Explain. please help me
My name is Ann [436]

Hi! So, the one that doesn't belong is a) y = 4x.

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