Which equation applies the associative property?

1 answer:

6 0

The associative property states that you can add or multiply regardless of how the numbers are grouped. By 'grouped' we mean 'how you use parenthesis'. In other words, if you are adding or multiplying it does not matter where you put the parenthesis. Add some parenthesis any where you like!.

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Your bill at a restaurant was for $36. You want to leave a 15 % tip. What would the tip amount be?

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8 0

3 years ago

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Match each exponential function to the description of its percent rate of change.

dolphi86 [110]

Answer:

Given in order:

22% growth
12% growth
12% decay
20% decay

Step-by-step explanation:

The exponential function is in the form $f(x)=a(1+r)^x$

If r is positive (the number in the bracket is larger than 1), then it is exponential growth and if r is negative (the number in the bracket is less than 1), then it is exponential decay.

Growth or Decay by how much???

The amount that is greater than/less than 1

The first function's number inside the bracket is greater than 1 by 0.22 (22%). So it is "22% growth".
The second function's number inside the bracket is greater than 1 by 0.12 (12%). So it is "12% growth".
The third function's number inside the bracket is less than 1 by 0.12 (12%). So it is "12% decay".
The fourth function's number inside the bracket is less than 1 by 0.2 (20%). So it is "20% decay".