anonymous
  • anonymous
Zeus Industries bought a computer for $2859. It is expected to depreciate at a rate of 21% per year. What will the value of the computer be in 3 years?
Algebra
  • Stacey Warren - Expert brainly.com
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SOLVED
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katieb
  • katieb
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anonymous
  • anonymous
@Nnesha think you could help me with this one?
Nnesha
  • Nnesha
depreciate means decrease so you have to use this formula \[\huge\rm y = a(1-r)^t\] a = initial amount r= rate t = years substitute values solve for y
Nnesha
  • Nnesha
and first you need to divide 21/100 change percent to decimal

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anonymous
  • anonymous
0.21
Nnesha
  • Nnesha
yes right so r =.21
anonymous
  • anonymous
so the equation looks like y=2859(1-.21)^3
Nnesha
  • Nnesha
ye sright
anonymous
  • anonymous
so now just solve it?
Nnesha
  • Nnesha
yes
anonymous
  • anonymous
1409.59?
Nnesha
  • Nnesha
looks right
anonymous
  • anonymous
and rounded to the nearest cent would be 1409.60? if it was1409.598?
anonymous
  • anonymous
could you help me with 4 more please?
anonymous
  • anonymous
A radio active isotope decays according to the exponential decay equation where t is in days. Round to the thousandths place. For the half life: The half life is the solution (t) of the equation : a/2=ae^−3.568t
Nnesha
  • Nnesha
i have to go close this post and make new one so other people able to help u sorry

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