2 years ago

Fr.ee points because you deserve it

Mathematics

2 answers:

Advocard [28]2 years ago

7 0

Answer:

wtrhgjrdfnfdjnjsdfnjkdfssksfkjjsdfkjgdsjkgf

Step-by-step explanation:

Monica [59]2 years ago

6 0

Answer:thank you good sir

Step-by-step explanation: you are god

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Simplify (4xy^-2)/(12x^(-1/3)y^-5) and Show work ...?

oee [108]

The answer is $\frac{x^{4/3}y^{3}}{3}$ .

The fraction is: $\frac{4xy^{-2} }{12 x^{-1/3} y^{-5} }$
Let's rewrite it: $\frac{4xy^{-2} }{12 x^{-1/3} y^{-5} }=\frac{4 }{12 }*\frac{x }{ x^{-1/3} }*\frac{y^{-2} }{ y^{-5} }$

Since $\frac{x^{a} }{x^{b}} =x^{a-b}$ ,
then:
*** $\frac{x}{ x^{-1/3} }= x^{1-(-1/3)} = x^{3/3+1/3} = x^{4/3}$
*** $\frac{y^{-2} }{ y^{-5} }= y^{-2-(-5)} = y^{-2+5} = y^{3}$
______
$\frac{4 }{12 }*\frac{x }{ x^{-1/3} }*\frac{y^{-2} }{ y^{-5} }= \frac{1*4}{3*4}* x^{4/3}*y^{3}= \frac{1}{3} * x^{4/3}*y^{3}= \frac{x^{4/3}y^{3}}{3}$

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3 years ago

A new online store charges all customers one price to download any song and another price to download any game. Jenna paid $20.5

OLga [1]

X songs
Y games

A) 8X + 3Y = 20.50
B) 4X + 5Y = 22.50

Multiplying equation B) by -2
B) -8X -10Y = -45.00 then adding this to
A) 8X + 3Y = 20.50 we get
-7Y = -24.50
Y = 3.50

I think you can calculate X right?

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3 years ago

When solving an equation, Gabrielle's first step is shown below. Which property

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Answer:

i think 2. division property of equality

distributive property of multiplication over addition

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2 years ago

A group of scientists have been sent on an expedition to test the soil in the Allegheny Mountains. They need to collect samples

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It’s B. 52 units ...

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2 years ago

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In the figure below, F,G,H and J are collinear. FG, GK, and HK are lone segments of equivalent length, and the measure of JHK is

ANEK [815]

The answer would be 30 degrees because points F, G, H, and J are collinear, all you would have to do is figure out /_GHK by subtracting 180 degrees from it.

Like this :

JHK = 180 degrees - 120 degrees = 60 degrees

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3 years ago