2 years ago

May someone help me with this, it's fairly easy.

Mathematics

1 answer:

Likurg_2 [28]2 years ago

7 0

Answer:

A and B are correct

Step-by-step explanation:

Student C is wrong because they broke up 3/4 into

2/2 + 1/2

but 2/2 + 1/2 = 3/2, which is not equal to 3/4

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Lunna [17]

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2 years ago

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Step-by-step explanation:

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2 years ago

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2 years ago

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sveta [45]

Answer:

$\displaystyle n^3-\frac{1}{n^{2}}$

Step-by-step explanation:

<u>Exponents Properties</u>

We need to recall the following properties of exponents:

$(a^x)^y=(a^y)^x=a^{xy}$

$\displaystyle a^{-x}=\frac{1}{a^x}$

We are given the expression:

$2^m=n$

We need to express the following expression in terms of n.

$8^m-4^{-m}$

It's necessary to modify the expression to use the given equivalence.

Recall $8=2^3 \text{ and }4 = 2^2$ . Thus:

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2 years ago

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RoseWind [281]

Answer:

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Step-by-step explanation:

got it right on edge 2020

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3 years ago