4 years ago

Find the area of the shape below.

Mathematics

1 answer:

Sindrei [870]4 years ago

8 0

Answer:

129.6

Step-by-step explanation:

you multiply 12•10.8

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This represents the identity property.

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What is the opposite of -8 ?

Aleksandr-060686 [28]

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The opposite will be positive 8.

Step-by-step explanation:

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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:

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

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1 Which expression can be simplified as this?

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Answer and Step-by-step explanation:

The answer would be the last answer choice.

$(n^{-3} )^{6}$

Exponents that are the being raised by another exponent get multiplied, so 6 times -3 is -18.

When a number/variable has a negative exponent, the number/variable will be put under 1, and the exponent will change to be positive.

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