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3 years ago

2⁄3 − 1⁄2= Answer as a fraction

Mathematics

2 answers:

OverLord2011 [107]3 years ago

8 0

Answer: 1/6

Step-by-step explanation:

jeyben [28]3 years ago

7 0

Answer:

2/3 - 1/2 = 1/6

Hope this helps

-Amelia

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3 years ago

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stiks02 [169]

We have slope intercept form. Parallel means the same slope, and we get to choose the intercept to fit the new point (-6,0).

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3 years ago

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Answer:

See step-by-step explanation

Step-by-step explanation:

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3 years ago

What transformation has changed the parent function f(x) = 3(2)^x to its new appearance shown in the graph below?

exis [7]

Answer:

B. f(x) - 2

Step-by-step explanation:

The parent function has a horizontal asymptote at y=0. The graphed function has a horizontal asymptote at y = -2, so the graph has been shifted down 2 units from the graph of the parent function.

Such a vertical shift is accomplished by subtracting 2 from each function value. The graph is of ...

f(x) -2 . . . matches choice B

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3 years ago

How much of a 60% saline solution would you need to add to pure water to create 10 L of a 50% saline solution ?

Julli [10]

So say, we add "x" of the 60% saline solution, now, how much salt is in that solution? now 60% is salt but the rest is something else, but only salt is 60% of "x", or (60/100) * x, or 0.6x.

likewise, for the 10 Liters, if only 50% is salt, then is just (50/100) * 10 or 5.

now... let's check the water whilst we add "y" amount, the water has no salt at all, freshwater for that matter, so, salinity is 0%. or (0/100) * y or 0.

$\bf \begin{array}{lccclll}
&\stackrel{liters}{amount}&\stackrel{\textit{\% of salt}}{quantity}&\stackrel{\textit{total salt}}{quantity}\\
&------&------&------\\
\textit{60\% sol'n}&x&0.60&0.6x\\
\textit{pure water}&y&0.00&0y\\
------&------&------&------\\
mixture&10&0.50&5
\end{array}$

$\bf \begin{cases}
x+y=10\\
0.6x+0y=5
\end{cases}
\\\\\\
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3 years ago