anonymous
  • anonymous
plz help me
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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schrodinger
  • schrodinger
I got my questions answered at brainly.com in under 10 minutes. Go to brainly.com now for free help!
phi
  • phi
I can't read setuplightshot.exe
Directrix
  • Directrix
File will not open. A file that ends in .exe is questionable to my thinking.
anonymous
  • anonymous
1 Attachment

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anonymous
  • anonymous
IS THAT BETTER @phi @Directrix
anonymous
  • anonymous
this might help... https://mathway.com/
anonymous
  • anonymous
i tried that its wont let me put my problems in it for some reason
phi
  • phi
it is the sum of four numbers. I would write down the 4 numbers and add them up
anonymous
  • anonymous
SO -15
phi
  • phi
when k=1 you get the first number (-1)^1 (k+11) that is -1 * 12 or -12 -12 is the first number
anonymous
  • anonymous
OHH OK
phi
  • phi
can you find the next number, when k=2 ?
anonymous
  • anonymous
UM IS IT 16 RIGHT
phi
  • phi
when k=2 you get (-1)^2 * (2+11) can you simplify that ?
anonymous
  • anonymous
SORRY THIS IS MY FIRST TIME REALLY DOING THIS
anonymous
  • anonymous
SO IT IS 11
phi
  • phi
what is (-1)^2 ?
phi
  • phi
(-1)^2 means -1 * -1
anonymous
  • anonymous
OHHH SORRY ABOUT THAT
phi
  • phi
the second number is (-1)^2 * (2+11) -1*-1 is 1 (2+11) is 13 1*13 is 13 so the first two numbers are -12, 13 can you find the third number, when k=3 ?
anonymous
  • anonymous
i got 15
phi
  • phi
it is (-1)^3 * (3+11)
phi
  • phi
(-1)^3 is -1 times itself 3 times. it will be -1 (if you have an odd power (3 in this case) you will get -1. if you have an even power, it will be +1) (3+11) is 14 -1*14 = -14 the first 3 numbers are -12, 13, -14 now find the last number, when k=4
phi
  • phi
when k is 4 you will get (-1)^4 * (4+11) = 1*15= 15 the four numbers are -12,13,-14,15 add them up to get the answer
anonymous
  • anonymous
ok makes since now god your such a life saver
anonymous
  • anonymous
i got 2 when i added them together

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