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3 years ago

9

Which of the following inequalities have no solution?

1 answer:

natta225 [31]3 years ago

7 0

Where are the inequalities?

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Solve the system by substitution.<br> - 8x + y = -32<br> - 3x – 10 = y<br> (,)

agasfer [191]

Answer:

$x=2,\:y=-16$

Step-by-step explanation:

$\begin{bmatrix}-8x+y=-32\\ -3x-10=y\end{bmatrix}\\\\\mathrm{Isolate}\:x\:\mathrm{for}\:-8x+y=-32:\quad x=-\frac{-32-y}{8}\\\\\mathrm{Subsititute\:}x=-\frac{-32-y}{8}\\\begin{bmatrix}-3\left(-\frac{-32-y}{8}\right)-10=y\end{bmatrix}\\\\Simplify\\\begin{bmatrix}\frac{3\left(-32-y\right)}{8}-10=y\end{bmatrix}\\\\\mathrm{Isolate}\:y\:\mathrm{for}\:\frac{3\left(-32-y\right)}{8}-10=y:\quad y=-16\\\\\mathrm{For\:}x=-\frac{-32-y}{8}\\\\\mathrm{Subsititute\:}y=-16\\x=-\frac{-32-\left(-16\right)}{8}\\$

$-\frac{-32-\left(-16\right)}{8}=2\\x=2\\x=2,\:y=-16$

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4 years ago

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The scores on the verbal section of the Graduate Records Examination (GRE) are approximately normally distributed with a mean of

Mashcka [7]

Answer:

0.039

Step-by-step explanation:

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3 years ago

Use the rule 5n - 2 to complete the missing entry<br> For A and B please help!!

Anettt [7]

A= -8
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4*-2= -8
48/-2=-24

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3 years ago

Select the correct answer.

labwork [276]

Answer:

Your answer would be C. x2 + y2 − 4x − 4y + 23 = 0

Step-by-step explanation:

I did this question before. Hope it helps! :D

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3 years ago

What is the value of c such that <img src="https://tex.z-dn.net/?f=x%5E%7B2%7D%2B14x%2Bc" id="TexFormula1" title="x^{2}+14x+c" a

suter [353]

Answer:

49

Step-by-step explanation:

To find the 'c' value c=(b/2) to the second power. divide the coefficient of x by 2 and square the result.

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3 years ago

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