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marin [14]
3 years ago
9

Lara and Mae participated in a quiz contest. They scored 23 points in all. If Lara scored 9 points, how many points did Mae scor

e?
Mathematics
1 answer:
emmainna [20.7K]3 years ago
7 0

Answer:

14

Step-by-step explanation:

23-9=14 if Lara only scored 9 points, Mae would have had to get the rest so you have to subtract 9 from the total amount of points.

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3 years ago
The function f(x) = 200(0.5)x/50 models the amount in pounds of a particular
victus00 [196]

<u>Answer:</u>

29 years

<u>Step-by-step explanation:</u>

  • Given the function f(x)= 200(0.5)^{\frac{x}{50} }, where x stands for the number of years since the material was put into the vault, we can plug 140 into x to find the amount leftover.
  • Another way of doing this is to change the function to f(x)=200(0.5^{\frac{1}{50} })^{x} which are equivalent functions, and then plug 140 into x. This function is helpful if you also needed to find the rate.
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From here I'll just use a calculator & get 28.7, or 29 years.

4 0
2 years ago
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