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sesenic [268]
3 years ago
11

You need to hang seven pictures in a straight line, in how many ways can this be done?

Mathematics
1 answer:
Furkat [3]3 years ago
3 0
This is simple. It is 7 factorial, or 7!. This just means 7*6*5*4*3*2*1, which is 5040.
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What is -d=|300-48t|
spayn [35]

I believe it would be b= -264

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3 years ago
You deposit $200 in account earning 12% simple interest how much will the balance be after five years
Tju [1.3M]

Answer:

$352, you will have earned $152 in interests

5 0
2 years ago
Can you plz help? Plzzzzz
katen-ka-za [31]
First question:b 
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3 0
3 years ago
Ginny is studying a population of frogs. She determines that the population is decreasing at an average rate of 3% per year. Whe
Rama09 [41]

You can see how this works by thinking through what's going on.

 

In the first year the population declines by 3%.  So the population at the end of the first year is the starting population (1200) minus the decline: 1200 minus 3% of 1200.  3% of 1200 is the same as .03 * 1200.  So the population at the end of the first year is 1200 - .03 * 1200.  That can be written as 1200 * (1 - .03), or 1200 * 0.97

 

What about the second year?  The population starts at 1200 * 0.97.  It declines by 3% again.  But 3% of what???  The decline is based on the population at the beginning of the year, NOT based no the original population.  So the decline in the second year is 0.03 * (1200 * 0.97).  And just as in the first year, the population at the end of the second year is the population at the beginning of the second year minus the decline in the second year.  So that's 1200 * 0.97 - 0.03 * (1200 * 0.97), which is equal to 1200 * 0.97 (1 - 0.03) = 1200 * 0.97 * 0.97 = 1200 * 0.972.

 

So there's a pattern.  If you worked out the third year, you'd see that the population ends up as 1200 * 0.973, and it would keep going like that.

 

So the population after x years is 1200 * 0.97x

5 0
3 years ago
Can someone help me compare the shape of the box plots
djyliett [7]
I think it might be C or B I'm honestly not 100% sure.
8 0
3 years ago
Read 2 more answers
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