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ivann1987 [24]
4 years ago
11

how many 4-digit numbers can be formed from 1,2,3,4, and 5 if no repitition allowed/ if repitition allowed?​

Mathematics
1 answer:
ICE Princess25 [194]4 years ago
5 0

Answer:

16

Step-by-step explanation:

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sergejj [24]
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7 0
3 years ago
i need help with number 7. its solving systems of equations by substitution. please show work!!! i need help
SIZIF [17.4K]
#7:
<span>Subtract </span>y<span> from both sides:
</span>-4x=6-y

Divide both sides by -4:

Answer:
x= -6-y/4


#7 part 2:

Add <span>y</span><span> to both sides:
</span>-5x=21+y

Divide both sides by -5:

Answer: x=-21+y/5

hope i helped!



7 0
3 years ago
Plzzzzz help me!!! I am supposed to find the measure for the angle!
densk [106]

Answer:

the angle of this is 80 all havevtobdo is add all the sides of the angle

5 0
3 years ago
I forgot how to do this. Please help!
Annette [7]

Answer:Here

I forgot how to do this. Please help!

Step-by-step explanation:

5 0
3 years ago
Read 2 more answers
Please help me with this...
marusya05 [52]
218 hope this helped
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