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Mathematics

2 answers:

kiruha [24]3 years ago

7 0

Answer:

16 is correct

Step-by-step explanation:

nikdorinn [45]3 years ago

4 0

Answer:

I believe it is 8

Step-by-step explanation:

Edit: It said the average rate of change over the interval AC.

1. So I just added 2+6+18=26

2. Next to get the average interval you have to divide by how many numbers there were in the equation which is THREE

3. So 26/3 is 8.66 repeating but if you round up to whole number it would be 8.

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The number of boys in a club is 10 more than half the number of girls.

Sav [38]

Answer:

40 girls

Step By Step Explanation:

assume boys = y girls = x

y = 1/2x + 10

y = 30

30 = 1/2x + 10

1/2x = 20

x = 20 *2 = 40

girls is 40 boys is 30

6 0

3 years ago

A rack of 15 billiard balls is shown. If one ball is selected at random, determine the odds against it containing a number grea

andre [41]

Using the probability and odds concepts, it is found that the odds against it containing a number greater than or equal to 7 is $\frac{2}{3}$ .

A probability is the number of desired outcomes divided by the number of total outcomes.
An odd is the number of desired outcomes divided by the number of non-desired outcomes.

In the rack, there are 15 balls, numbered from 1 to 15. Of those, 6 are less than 7(against it containing a number greater than or equal to 7 is equivalent to it containing a number less than 7), thus: