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Julli [10]
3 years ago
6

10x^3 y^-5 z^-2 if x=3 y=2 and z=5 express your answer as a reduced fraction

Mathematics
1 answer:
sineoko [7]3 years ago
7 0

Answer:

\large\boxed{\dfrac{27}{80}}

Step-by-step explanation:

Put x = 3, y = 2 and z = 5 to the given expression 10x^3y^{-5}z^{-2}:

10(3^3)(2^{-5})(5^{-2})\qquad\text{use}\ a^{-n}=\dfrac{1}{a^n}\\\\=\dfrac{10(27)}{(2^5)(5^2)}=\dfrac{270}{(32)(25)}=\dfrac{270}{800}=\dfrac{27}{80}

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Write the equation of a line that is parallel to {y=0.6x+3}y=0.6x+3y, equals, 0, point, 6, x, plus, 3 and that passes through th
Dominik [7]

y = 0.6x - 3.2  
The general form of the desired equation is 
y = mx + b
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given line "y = 0.6x +3" is 0.6, that will also be the slope of the desired line.
So our equation becomes:
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