3 years ago

What 2 numbers can be added to make -40 as well as added to make -6?

Mathematics

1 answer:

madreJ [45]3 years ago

6 0

-20 x 2 or -10 x 4 both equal -40

-2 x 3 = 6

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Simplify the radical expression 4 square root 81x^20y^8

Dimas [21]

The simplified expression is $3x^5 y^2$

Step-by-step explanation:

The radical expression to simplify is

$\sqrt[4]{81x^{20}y^8}$

We notice the following:

$81=3^4$

And using the property

$(x^a)^b=x^{a\cdot b}$

we can write:

$x^{20}=(x^5)^4$

$y^8 = (y^2)^4$

So the argument of the radical can be written as

$\sqrt[4]{(3)^4(x^5)^4(y^2)^4} =\sqrt[4]{(3x^5y^2)^4}$

And now by using the property

$\sqrt[n]{a^n}=a$

We find:

$\sqrt[4]{(3x^5y^2)^4}=3x^5 y^2$

Learn more about simplification of expressions:

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Answer:

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Step-by-step explanation:

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Help me please! will mark brainliest if correct :)

Neporo4naja [7]

Answer:

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Step-by-step explanation:

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If I have one cat and 2 dogs how many cows do I have? A. 0 B.0 C. -15 or D. -100

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Ray Of Light [21]

Answer:

b. 729 cubed inches³

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A cube's area can be calculated using the length. The formula is length³.

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