The table shows the proof of the relationship between the slopes of two perpendicular lines. What is the missing statement in step 5?

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Ответ:

albattatasraap5wymy

22.04.2022

Mathematics

Step-by-step explanation:

We are given a number 1113 to some base which equals 87to base 10

Let the base be equal to a

Then using place value for 1113 to base a we get

$1(a^3)+1(a^2)+1(a)+3 =87\\a^3+a^2+a = 84\\$

a should be a posiitve integer.

By trial and error we check a =1,2,3,4,5....

We find that when a=4

$4^3+4^2+4 = 64+16+4\\= 84$

Hence base number is 4.

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