2 years ago

Show two ways to make $5.25 with 6 coins

Mathematics

1 answer:

Katyanochek1 [597]2 years ago

4 0

Answer:

I dont think you can make $5.25 with six coins

Step-by-step explanation:

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1500.56 x 12 = 18006.72 per year

18006.72 x 30 = 540201.60

540201.60-350000 = 190201.60

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3 years ago

What is 5 times a number ,r, decreased by seven

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Answer:

5n - 7 < 23

Step-by-step explanation:

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3 years ago

True or false:x/3 is equivalent to 1/3x.explain your reasoning.

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An experiment consists of choosing objects without regards to order. Determine the size of the sample space when you choose the

sdas [7]

Answer:

$n= 75, 582$

$n= 2300$

$n = 253$

Step-by-step explanation:

Generally the size of the sample sample space is mathematically represented as

$n = \left N } \atop {}} \right. C_r$

Where N is the total number of objects available and r is the number of objects to be selected

So for a, where N = 19 and r = 8

$n = \left 19 } \atop {}} \right. C_8 = \frac{19 !}{(19 - 8 )! 8!}$

$= \frac{19 *18 *17 *16 *15 *14 *13 *12 *11! }{11 ! \ 8!}$

$n= 75, 582$

For b Where N = 25 and r = 3

$n = \left 25 } \atop {}} \right. C_3 = \frac{25 !}{(19 - 3 )! 3!}$

$= \frac{25 *24 *23 *22 ! }{22 ! \ 3!}$

$n= 2300$

For c Where N = 23 and r = 2

$n = \left 23 } \atop {}} \right. C_2 = \frac{23 !}{(23 - 2 )! 2!}$

$= \frac{23 *22 *21! }{21 ! \ 3!}$

$n = 253$

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3 years ago