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Serga [27]
3 years ago
8

Simplify 9 to the 2nd over 9 to the 7th. 95 1 over 9 to the 9th 1 over 9 to the negative 5th 1 over 9 to the 5th

Mathematics
1 answer:
Alekssandra [29.7K]3 years ago
5 0
\bf ~~~~~~~~~~~~\textit{negative exponents}\\\\
a^{-n} \implies \cfrac{1}{a^n}
\qquad \qquad
\cfrac{1}{a^n}\implies a^{-n}
\qquad \qquad 
a^n\implies \cfrac{1}{a^{-n}}\\\\
-------------------------------\\\\
\cfrac{9^2}{9^7}\implies \cfrac{1}{9^{-2}9^7}\implies \cfrac{1}{9^{-2+7}}\implies \cfrac{1}{9^5}\implies \cfrac{1}{59049}
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Is all of them !!

Step-by-step explanation:

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Step-by-step explanation:

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WORTH 50 POINTSSS
SpyIntel [72]

We know that if two lines are Perpendicular then Product of Slopes of both of these Perpendicular lines should be Equal to -1

Given : Equation of 1st Perpendicular line is -x + 3y = 9

This can be written as :

3y = x + 9

y = x/3 + 3

Comparing with standard form : y = mx + c

we can notice that slope of 1st Perpendicular line = 1/3

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We know that the form of line passing through point (x₀ , y₀) and having slope m is :

y - y₀ = m(x - x₀)

Here the 2nd Perpendicular line passes through the point (-3 , 2)

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