3 years ago

What is the value of r in the equation?

Mathematics

2 answers:

Ainat [17]3 years ago

7 0

Answer:

the answer is 4

Step-by-step explanation:

that will be because this is the answer

Fynjy0 [20]3 years ago

5 0

Answer:

-4 I am just smart you are to <3

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What are the next two numbers in this pattern? 3, â9, 27, â81, . . ?

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3 years ago

As part of a board game, players choose 5 unique symbols from 9 different symbols to create their secret password. How many diff

frozen [14]

Answer:

$15,120$

Step-by-step explanation:

For the first symbol, there are 9 options to choose from. Then 8, then 7, and so on. Since each player chooses 5 symbols, they will have a total of $9\cdot 8 \cdot 7 \cdot 6\cdot 5=\boxed{15,120}$ permutations possible. Since the order of which they choose them matters (as a different order would be a completely different password), it's unnecessary to divide by the number of ways you can rearrange 5 distinct symbols. Therefore, the desired answer is 15,120.