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defon
3 years ago
5

Which expression is a difference of cubes?

Mathematics
2 answers:
faltersainse [42]3 years ago
4 0
D.64c^15-d^27 

<span>(4c^5)^3 - (d^9)^3</span>
sveticcg [70]3 years ago
4 0
Hello! Thank you for your answer! I would be happy to help!

Final Answer: D. <span>64c^15 - d^27</span>
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Arthur wants to buy an item that costs p dollars before tax. Using the Florida tax rate of 6%, write two different expressions t
REY [17]

The different expressions that represent the price of the item after tax will be p + 6/100p and p + 0.06p.

<h3>How to illustrate the expression?</h3>

The first expression will be:

= p + (6/100 × p)

= p + 6/100p

The second expression will be:

= p + (6% × p)

= p + 0.06p

It should be noted that both expressions are equal.

Learn more about tax on:

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8 0
1 year ago
Does anyone know how to do this?
xeze [42]

Answer:

Step-by-step explanation:

6 0
3 years ago
Determine the values of the parameter s for which the system has a unique​ solution, and describe the solution. sx 1 minus 2 sx
JulijaS [17]

Note: The equations written in this questions are not appropriately expressed, however, i will work with hypothetical equations that will enable you to solve any problems of this kind.

Answer:

For the system of equations to be unique, s can take all values except 2 and -2

Step-by-step explanation:

2sx_{1} + 4x_{2} = -3\\2x_{1} + sx_{2} = 4

\left[\begin{array}{ccc}2s&4\\2&s\end{array}\right] \left[\begin{array}{ccc}x_{1} \\x_{2} \end{array}\right] = \left[\begin{array}{ccc}-3 \\6 \end{array}\right]

For the system to have a unique solution, \begin{vmatrix} 2s & 4 \\ 2 & s \end{vmatrix} \neq 0

2s^{2} -8 \neq 0\\2s^{2}\neq 8\\s^{2}\neq 4\\s \neq 2 or -2

6 0
3 years ago
Find the domain for the expression:<br> y/y-5 + 1/y+8
Jet001 [13]

Answer:

1/y+4

Step-by-step explanation:

1-5+1/y+8

1/y+(1-5+8)

1/y+4

7 0
3 years ago
Read 2 more answers
Please help me with this homework
Sergio039 [100]
39) y=20x+175

40) y=20(2)+175, so $215
5 0
2 years ago
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