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amm1812
3 years ago
12

How many different four-digit numbers can be made using the digits 1, 2, 3, 4, 5, 6 if no digit can be used more than once?

Mathematics
1 answer:
Allushta [10]3 years ago
4 0
This is 6P4
the number of permutations of 4 from 6.  6! / 2!

= 6*5*4*3* 2 /  2 = 360
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18,234.9+516.1 show your work
butalik [34]

Answer:

18,751

Step-by-step explanation:

18 234 . 9

516 . 1

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3 0
2 years ago
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For more help, please upload a picture

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3 years ago
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Leno4ka [110]

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Step-by-step explanation:

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Brett is 75 feet from the base of a building. he measures the angle of elevation to the top of the building and records it as 80
SashulF [63]
This is the concept of trigonometry, we are required to calculate the number of floors the building has given the information above;
# floors=[height of the building]/[height of each floor]
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let the height of the building be,h.
h is given by;
tan theta=opposite/adjacent
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8 0
3 years ago
A sequence is represented by the formula an=-5+a(n-1). If a4 = 20, what is the 6th term in the sequence?
Citrus2011 [14]

Answer:

<u>10</u>

Step-by-step explanation:

Formula :

  • aₙ = -5 + aₙ₋₁

Finding a₅ :

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Finding a₆ :

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4 0
2 years ago
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