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cupoosta [38]
3 years ago
11

PLZ HELP ME BY TONIGHT AT 12:30 ITS DUEEE ps/ plz answer ALLL the questions

Mathematics
1 answer:
kap26 [50]3 years ago
7 0
Since it decreases by 36 each year, the change would be 36+36+36+36=36*4=144 

For a, we can plug in values for t, so 2000-(200*1)=1800 for the first year,
2000-(200*2)=1600 - do you see the pattern here? It subtracts by 200 every year, so 1600-200=1400 for the third year and 1400-200=1200 for the fourth year.
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So this has to do with permutations and honestly I need an explanation on how I can figure these out.
AnnZ [28]
Well, the answer quite simple ....there are 4! ways to arrange these numbers...and as 4! = 4*3*2*1 = 24

hence 24 is the correct answer....


u can also remember it by theorem of multiplication as.....in first place (I.e. first code can be any no. out of 4,5,2&7 ....so 4*.....

as first place is acquired by a certain no. that leaves three no. to fill third place and when third place I'd occupied it leaves 2 numbers to fill second place and lastly only one no. to fill the last place .....so it's result will be like 4*3*2*1.



I know this is pretty much confusing ....but still I tried my best....

if anything troubles u here feel free to ask me
6 0
3 years ago
Simplify.(6x−5+4x^2)+(2x−2)
leonid [27]
  • Combine Like Terms

=6x + −5 + 4 x 2 + 2x + −2

=(4 x 2) + (6x + 2x) + (−5 + −2)

=4 x 2 +8x + −7

Answer - 4 x 2 + 8x + −7

7 0
2 years ago
Read 2 more answers
CORRECT ANSWER GETS BRAINLIEST
MissTica

Pretty sure it's D :)))))

5 0
3 years ago
Read 2 more answers
The base of a rectangular prism has an area of 26.25, and the height of the prism is 4.5. What is the volume? Round to the neare
kramer

The right answer is 118.

Look at the attached picture

Hope it will help you....

Good luck on your assignment.

4 0
3 years ago
Read 2 more answers
For a normal distribution,
Anni [7]

Answer:

1.282, -0.5244,...

Step-by-step explanation:

We know that Z is a standard normal variate with mean =0, and std dev =1

a) z-score separates the highest 10% from the rest of the scores

= 90th percentile = 1.282

b) z-score separates the lowest 30% from the rest of the scores

= 30th percentile = -0.5244

c) z-score separates the lowest 40% from the rest of the scores

= 40th percentile = -0.2533

d) z-score separates the lowest 20% from the rest of the score

=20th percentile = -0.8416

7 0
2 years ago
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