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3 years ago

6

Which is a better deal? 4 bags of chins for $1.00 or 6 bags of chips for $1.20?

1 answer:

AlexFokin [52]3 years ago

3 0

Answer:

6 bags of chips for 1.20

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What is the approximate volume of a half sphere with a diameter of 8 cm?

Anestetic [448]

Answer:

134.04

Step-by-step explanation:

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3 years ago

PLEASE HELP<br><br> simplify the expression<br><br> 2. 10r^(-7)t^3

Alina [70]

<span>10r^(-7)t^3
= 10t^3 / r^7

hope it helps</span>

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3 years ago

The number in a fraction that tells how many equal parts are in the hall or in a group

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I think the answer is "the denominator"

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3 years ago

Use the figure to determine the measure of angle 1 if angle 5 is 60 degrees.

Vsevolod [243]

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3 years ago

How does one find the inverse function of f(x)= <img src="https://tex.z-dn.net/?f=%5Cfrac%7B1%7D%7B3x-1%7D" id="TexFormula1" tit

lisabon 2012 [21]

Answer:

$\displaystyle f^{-1}(x)=\frac{1+x}{3x}$

Step-by-step explanation:

<u>The Inverse of a Function</u>

The procedure to find the inverse of the function is:

* Write the function as a two-variable equation:

$\displaystyle y=\frac{1}{3x-1}$

* Solve the equation for x.

Multiply by 3x-1

$y(3x-1)=1$

Divide by y:

$\displaystyle 3x-1=\frac{1}{y}$

Sum 1:

$\displaystyle 3x=\frac{1}{y}+1$

Operate the right side:

$\displaystyle 3x=\frac{1+y}{y}$

Divide by 3:

$\displaystyle x=\frac{1+y}{3y}$

* Swap the variables:

$\displaystyle y=\frac{1+x}{3x}$

Write back into function form:

$\boxed{\displaystyle f^{-1}(x)=\frac{1+x}{3x}}$

7 0

3 years ago