<img src="https://tex.z-dn.net/?f=%20%5Csqrt%5B3%5C%5C%20%5D%7B27%2F125%7D%20" id="TexFormula1" title=" \sqrt[3\\ ]{27/125} " al

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3 years ago

7

t=" \sqrt[3\\ ]{27/125} " align="absmiddle" class="latex-formula">
enter as fraction

1 answer:

Zina [86]3 years ago

4 0

As a fraction, it would be 3/5

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Find the inverse of function f. f(x)=1/3 - 1/21x

Elena L [17]

Answer:

A. $\displaystyle f^{-1}(x) = 7 - 21x$

General Formulas and Concepts:

<u>Pre-Algebra</u>

Order of Operations: BPEMDAS

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Parenthesis
Exponents
Multiplication
Division
Addition
Subtraction

Left to Right

Distributive Property

Equality Properties

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Division Property of Equality
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Step-by-step explanation:

<u>Step 1: Define</u>

<em>Identify</em>

<em /> $\displaystyle f(x) = \frac{1}{3} - \frac{1}{21}x$ <em />

<em />

<u>Step 2: Find inverse</u>

Rewrite: $\displaystyle y = \frac{1}{3} - \frac{1}{21}x$
Swap: $\displaystyle x = \frac{1}{3} - \frac{1}{21}y$
[Subtraction Property of Equality] Isolate <em>y</em> term: $\displaystyle x - \frac{1}{3} = -\frac{1}{21}y$
[Multiplication Property of Equality] Isolate <em>y</em>: $\displaystyle -21(x - \frac{1}{3}) = y$
[Distributive Property] Distribute -21: $\displaystyle 7 - 21x = y$
Rewrite: $\displaystyle f^{-1}(x) = 7 - 21x$

4 0

3 years ago

The steps below show the incomplete solution to find the value of x for the equation 8x − 3x − 1 = −2 + 16:

Alex_Xolod [135]

Answer:

5x=15. I hope it can help you a lots. thanks.

Step-by-step explanation:

5x=14+1

5×=14.

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3 years ago

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Answer:

The answer is B. 3x+12

Step-by-step explanation:

you have to use the distributive property for this

3 times x and 3 times 4 equals 3x+12

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3 years ago

Read 2 more answers

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Answer:

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Step-by-step explanation:

2(L*H)+2(L*W)+2(W*H)=SA

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7*5=35

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