3 years ago

Explain why the value of 2/5 stays the same

Mathematics

1 answer:

Maslowich3 years ago

8 0

Because the fraction 2/5 can't be simplified

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64 w^2 + 96w+36=0. What is the number of real solutions?

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Step-by-step explanation:

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PLEASE HELP ME PLEASE I NEED THE ANSWER AS FAST AS POSSIBLE PLEASE HELP PLEASE

Harman [31]

It is 121 x 10^12 so the answer is A.

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3 years ago

<img src="https://tex.z-dn.net/?f=%20%7B2%7D%5E%7Bm%7D%20%20%3D%20n%20" id="TexFormula1" title=" {2}^{m} = n " alt=" {2}^{m} =

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:

$(2^3)^m-(2^2)^{-m}$

Applying the property:

$(2^m)^3-(2^m)^{-2}$

Substituting the given expression:

$n^3-n^{-2}$

Or, equivalently:

$\mathbf{\displaystyle 8^m-4^{-m}= n^3-\frac{1}{n^{2}}}$

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3 years ago

The area of triangle ABC is 31 1/4 square centimeters. What is the measure of side b?

zhuklara [117]

Answer:

5/ sqrt2

Step-by-step explanation:

A=b.a.SinC

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3 years ago