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Trava [24]
3 years ago
7

The cube root of the difference of a number and 2

Mathematics
1 answer:
julia-pushkina [17]3 years ago
8 0

Answer:

The difference of two cubes is equal to the difference of their cube roots times a trinomial, which contains the squares of the cube roots and the opposite of the product of the cube roots. A number's opposite is that same number with a different sign in front.

Step-by-step explanation:

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Advocard [28]

Then the original price was $42

Because it is half off we multiply 21 by 2 and get 42.

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3 years ago
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What is the domain of the graphed function?
frosja888 [35]

Yo sup??

Let the function be

y=f(x)

Domain refers to the permissible values of x

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Hope this helps.

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3 years ago
Rosita can wax her car in 2 hours or 120 minutes. When she works together with Helga, they can wax the car in 45 minutes. How lo
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<h2>Time taken by Helga to wax the car is 72 minutes</h2>

Step-by-step explanation:

Let w be the work of waxing.

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Time taken by Rosita = 120 minutes

\texttt{Rate of Rosita = }\frac{W}{120}

Let time taken by Helga be t,

\texttt{Rate of Helga = }\frac{W}{t}

When she works together with Helga, they can wax the car in 45 minutes.

We have

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3 years ago
Which statements are true about the graph?
lianna [129]

Answer: The graph shows exponential decay

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Step-by-step explanation:

When<u> 0<b<1 </u>, the graph shows <u>exponential decay</u>. In this case, b was equal to 1/2 as shown by the graph alongside the question. Therefore, the graph shows exponential decay.

The graph of y = 2^x would show a reflection of y = 1/2 ^x over the y-axis, therefore the graph shows <u>y = 2^x reflected over the y-axis</u>.

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Answer:

$4.03

Step-by-step explanation:

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3 years ago
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