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Mandarinka [93]

3 years ago

12

Select either the varaible or its complement for each of the three variables in the product of the boolean variables x, y, and z

or their complements that gives the boolean product of value 1 if and only if a). x = y = 0, z =1

1 answer:

atroni [7]3 years ago

7 0

The appropriate expression is x'y'z, where the apostrophe indicates the complement of the variable.

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Using Cramer’s rule, what is the value of x in the solution to the system of linear equations below?

Aloiza [94]

9514 1404 393

Answer:

d 2

Step-by-step explanation:

The system of equations can be written in augmented matrix form as ...

$\displaystyle\left[\begin{array}{cc|c}-\frac{1}{2}&3&-4\\-1&-1&-1\end{array}\right]$

The value of x found by Cramer's rule is the ratio of two determinants. The numerator is the coefficient matrix with the x-column replaced by the constant column. The denominator is the coefficient matrix.

$\displaystyle x=\frac{\left|\begin{array}{cc}-4&3\\-1&-1\end{array}\right| }{\left|\begin{array}{cc}-\frac{1}{2}&3\\-1&-1\end{array}\right|}=\frac{(-4)(-1)-(-1)(3)}{(-\frac{1}{2})(-1)-(-1)(3)}=\frac{4+3}{\frac{1}{2}+3}\\\\\boxed{x=2}$

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SashulF [63]

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3 0

3 years ago

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Sweatshirt with new school logo cost 22.50 ,plus tax the tax is over 0.06 for every dollar spend.what is the tax on the sweatshi

coldgirl [10]

Answer:

Step-by-step explanation:

To find tax on something you multiply the base price by the tax percentage. So if something is 100 dollars and tax is 5 percent (or .05 in decimal form), you would add 5 dollars to the price. because 100*.05=5.

If we assume 6% as the tax then we multiply 22.50*.06 = 1.35, so you will add 1.35 to the price. That means the new price is 22.50 + 1.35 = 23.85.

It's just asking for what the tax is though so the answer is 1.35 at 6%. The question does say the tax is over 6% though, so that means the tax will only go up from there if the tax is over 6%

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Step-by-step explanation:

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Answer:

it is 10 times greater

Step-by-step explanation:

hope this helps :)

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3 years ago