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wlad13 [49]
2 years ago
7

Please helppppppppppppp

Mathematics
1 answer:
Elenna [48]2 years ago
3 0

Answer:

f(-7) = 2

Step-by-step explanation:

f(x) = x + 9

We want to find f(-7)

f(-7) = -7 + 9

-7 + 9 is the same thing as saying 9 - 7

9 - 7 = 2

So f(-7) = 2

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3 years ago
(a) How many ways are there to arrange 3 people in a line (order matters) using a group of 5 people?
mart [117]

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60.

Step-by-step explanation:

This is a permutation exercise because order matters. The formula is n!/(n-r)!. In this case n=5 and r=3 so,

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3 years ago
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Papessa [141]

Answer:

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Step-by-step explanation:

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3 0
4 years ago
I will give you brainlest plzzzz helpppp!!!
tigry1 [53]

Answer:

Joe plz Mark me as brainlist

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3 years ago
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Harman [31]

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3 years ago
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