24-03-2015
Mathematics

Answered

can you help me ? 20^n-2+6.5=87

Verified Answer :

Panoyin Panoyin

24-03-2015

20n - 2 + 6.5 = 87
20n + 4.5 = 87
   -4.5 -4.5
   20n = 82.5
      20    20
   n = 4.125
or
20^n - 2 + 6.5 = 87
20^n + 4.5 = 87
   -4.5    -4.5
   20^n = 82.5
   n ≈ 1.037

Answer Link

Related Questions

Which constitutional amendment prohibited the selling of liquor anywhere in the United States

Do 1 gallon and 8 pints represents the same amount

The expression $x^2 y-2 x y-24 y$ can be factored by first factoring out a common factor of $y$. After the common factor is removed, the remaining factor is

What is an advantage of consuming natural foods instead of dietary supplements

What is genetic code

Roger earns 24 a week mowing lawns He shares 16 of his earnings spends 23 and saves the rest How many dollars does Roger save Tell how you found the answer plea

What impact did Henry VIIIs actions have on England in the second half of the 1500s

Why did the Spanish so swiftly conquer the Native Americans A They convinced the native people that they were gods B Native Americans could not combat the super

Solve the following inequality. $(x-8)(x-2)(x+4) \geq 0$ Write your answer as an interval or union of intervals.

A cars velocity increases from rest to 14 ms E in 35 sec What is its acceleration