anonymous
  • anonymous
Tims average for the past five tests is 84. To increase his average to 86, what must he make on the sixth test?
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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katieb
  • katieb
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anonymous
  • anonymous
oops 96
anonymous
  • anonymous
5x84 + x = 86*6
anonymous
  • anonymous
84 * 5 = 340 (340 + x) / 6 = 86 340 + x = 516 x = 176

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anonymous
  • anonymous
:x that loooks wrong... LOL
anonymous
  • anonymous
Wow. Thanks for all the answers guys. Let me read em' and I'll give you medals. ;D
anonymous
  • anonymous
x = 96
anonymous
  • anonymous
84 x 5 = 420 :)
anonymous
  • anonymous
Okay. I'm confused. Everyone has different answers... ._.
anonymous
  • anonymous
ahhh thanks LOL 84 * 5 = 420 (420 + x) / 6 = 86 420+ x = 516 x = 96
anonymous
  • anonymous
its 96
anonymous
  • anonymous
it's 96 sorry
anonymous
  • anonymous
lol. 96. K. Thanks guys.
lila
  • lila
A sample of legal costs ( in thousands of dollars) for school districts for two recent consecutive years is shown. At a = 0.05 is there a difference in the costs? Suggest a reason for the difference, if one exists. Year 1 / 108, 36,65, 108, 87, 94, 10, 40 Year 2 / 138, 28, 67, 181, 97, 126, 18, 67 please solve

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