3 years ago

What is log5 (x) + 4 * log5 (y) - 2* log5 (z) simplified?

Mathematics

1 answer:

NISA [10]3 years ago

6 0

G = 0.81 -1 o -1 x -1

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A dance school has 63 ballet dancers. If 42% of the total number of dancers in the school are ballet dancers, what is the total

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The total number of dancers in the school is 150.

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The difference between 45 and y is 9

faltersainse [42]

Answer:

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Step-by-step explanation:

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2 years ago

Find the quotient of 21x^2y^6+6xy^3-30xy/3xy.

kaheart [24]

$\bf ~~~~~~~~~~~~\textit{negative exponents}
\\\\
a^{-n} \implies \cfrac{1}{a^n}
\qquad \qquad
\cfrac{1}{a^n}\implies a^{-n}
\qquad \qquad 
a^n\implies \cfrac{1}{a^{-n}}
\\\\
-------------------------------$

$\bf \cfrac{21x^2y^6+6xy^3-30xy}{3xy}\implies \stackrel{\textit{distributing the denominator}}{\cfrac{21x^2y^6}{3xy}+\cfrac{6xy^3}{3xy}-\cfrac{30xy}{3xy}}
\\\\\\
\cfrac{21}{3}\cdot x^2x^{-1}y^6y^{-1}+\cfrac{6}{3}\cdot x^1x^{-1}y^3y^{-1}-\cfrac{30}{3}\cdot x^1x^{-1}y^1y^{-1}
\\\\\\
7x^{2-1}y^{6-1}+2x^{1-1}y^{3-1}-10x^{1-1}y^{1-1}\implies 7xy^5+2y^2-10$

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2 years ago

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PLZ just do it :( 20 points???

Sedaia [141]

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3 years ago

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3y = x - 12<br> Y= 1/3X -4<br> parallel, perpendicular or neither

aliina [53]

Answer:

PARALLEL

Step-by-step explanation:

The second equation, y = (1/3)x - 4, has already been solved for y. To compare the slopes easily, we need now to solve the first equation for y, obtaining y = (1/3)x - 4.

We see that these two lines have the same slope, m = 1/3, and thus conclude that these lines are PARALLEL.

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2 years ago