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Kipish [7]
2 years ago
8

How many ways can 12 DVDs be arranged on a shelf? .

Mathematics
1 answer:
Delicious77 [7]2 years ago
6 0

Answer:

12!

Step-by-step explanation:

А=12*11*10*9*8*7*6*5*4*3*2*1=12!=479001600

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Wei is standing in wavy water and notices the depth of
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  see the attachment

Step-by-step explanation:

The function can be ...

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  B is the peak deviation from average, 55 -33.5 = 21.5 cm,

  C is the horizontal scale factor (2π/T) = (2π/3) for a period (T) of 3 seconds,

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7 0
3 years ago
Alvin has $760 less invested in 7% than he has at 5%. If his annual income from these two investments is $51.20, how much does h
kondor19780726 [428]

Answer:

Alvin invested $110 at rate of 7% and invested $870 at rate of 5%

Step-by-step explanation:

we know that

The simple interest formula is equal to

I=P(rt)

where

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P is the Principal amount of money to be invested

r is the rate of interest  

t is Number of Time Periods

in this problem

Let

x------> the amount of money invested at rate of 5%

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we have

t=1\ years\\ P=(x-\$760)\\r=0.07

At rate of 5%

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t=1\ years\\ P=x\\r=0.05

substitute in the formula

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Alvin invested $870 at rate of 5%  

8 0
3 years ago
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