Mathematics: Randy has 7 coins in his pocket, all with a different date. he pulls out 4 coins each time. how many different combinations can he get?

Randy has 7 coins in his pocket, all with a different

gracie0818

24.05.2020

It's 35

Step-by-step explanation:

I took a test that had this question on it and it said this was the right answer.

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rayvingrant16

24.03.2021

$n=\frac{64}{9}$ makes the equation true

Step-by-step explanation:

3√n=8

To find the value of n makes the following equation true, we need to solve for 'n'

First to remove 3 we divide by 3 on both sides

$\sqrt{n} =\frac{8}{3}$

To remove square root take square on both sides, because square and square root will get cancelled

$n= (\frac{8}{3})^2$

$n=\frac{64}{9}$

64/9 makes the equation true

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