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What does 10 base-5 mean?
15
How do you convert base 11 and 12 to base 10?
In base 11 vs In base 10 10 = 11 20 = 22 30 = 33 So, it is simply dividing whatever value in base 11 by 10 then multiplying it back by 11, but digit by digit. Example, 45 in base 11: 45 = 40 + 5 (still true) = 40/10*11 + 5 (leave the 5 untouched) = 44 + 5 = 49 (in base 10)
How do you change 3 to base 10?
That depends what base the ' 3 ' is in now.
What is the effect on the area of a triangle if the base is doubled and the height is cut in half?
There is no change in the area. Doubling the base and halving the height gives the same area. The formula for area of a triangle is A = bh/2 1/2 (base x height) Example: base 5, height 8 A = (5 * 8)/ 2 = 20 base 10, height 4 A = (10 * 4)/2 = 20
What is log base 5of 125?
log(5)125 = log(5) 5^(3) = 3log(5) 5 = 3 (1) = 3 Remember for any log base if the coefficient is the same as the base then the answer is '1' Hence log(10)10 = 1 log(a) a = 1 et.seq., You can convert the log base '5' , to log base '10' for ease of the calculator. Log(5)125 = log(10)125/log(10)5 Hence log(5)125 = log(10) 5^(3) / log(10)5 => log(5)125 = 3log(10)5 / log(10)5 Cancel down by 'log(10)5'. Hence log(5)125 = 3 NB one of the factors of 'log' is log(a) a^(n) The index number of 'n' can be moved to be a coefficient of the 'log'. Hence log(a) a^(n) = n*log(a)a Hope that helps!!!!!
