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kicyunya [14]
3 years ago
10

Here are five number cards. 2. 5 7 8 9 71 One of the cards is removed and the mean average of the remaining four number cards is

6 Which card was removed? You must show your working. Note: Please make sure your final answer says card ...
​

Mathematics
1 answer:
vovangra [49]3 years ago
7 0

Answer

card number 2

5+7+8+9=24/4=6

Step-by-step explanation:

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Step-by-step explanation:

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6 0
2 years ago
Use the table below to answer this question:
tekilochka [14]

Using it's concept, it is found that the average rate of change of the function from x = -1 to x = 5 is of -1.

<h3>What is the average rate of change of a function?</h3>

It is given by the <u>change in the output divided by the change in the input</u>.

In this problem, the output changes by -6(from 7 to 1) when the input changes by 6(from -1 to 5), hence the average rate is given by:

r = -6/6 = -1.

More can be learned about the average rate of change at brainly.com/question/24313700

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