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enot [183]
3 years ago
5

raising a negitive base to an even exponent power will always, sometimes, or never give a negitive result

Mathematics
1 answer:
maxonik [38]3 years ago
6 0
This is multiplying an even number of negatives together so the answer will always be positive
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What is<br> |Ay|<br> in the system of linear equations below?<br><br> -8x+y=-6<br> 3x-2y=-1
Anna71 [15]

Considering the given system of equations, it is found that:

|Ay| = \left|\begin{array}{cc}-8&1\\-6&-1\end{array}\right|

<h3>What is a system of equations?</h3>

A system of equations is when two or more variables are related, and equations are built to find the values of each variable.

In this problem, the system is:

-8x+y=-6

3x-2y=-1

In matrix form, it is given by:

\left[\begin{array}{cc}-8&1\\3&-2\end{array}\right]\left[\begin{array}{c}x\\y\end{array}\right] = \left[\begin{array}{c}-6\\-1\end{array}\right]

To find the matrix |Ay|, we replace the y coefficients of 1 and -2 by the results of -6 and -1, hence:

|Ay| = \left|\begin{array}{cc}-8&1\\-6&-1\end{array}\right|

More can be learned about a system of equations at brainly.com/question/24342899

6 0
2 years ago
Write and solve an inequality to find the values of x for which the perimeter of the rectangle is less than 140.
Mashcka [7]

Given:

Length of the rectangle = x+4

Width of the rectangle = x

The perimeter of the rectangle is less than 140.

To find:

The inequality for the given situation and solve it.

Solution:

We have,

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w=x

We know that, the perimeter of a rectangle is

P=2(l+w)

P=2(x+4+x)

P=2(2x+4)

P=4x+8

It is given that the perimeter of the rectangle is less than 140.

P

4x+8

4x

4x

Divide both sides by 4.

x

x

Therefore, the correct option is A because the sign of inequality is < and the solution of inequality is x.

3 0
2 years ago
For the simple harmonic motion equation d=2 sin (pi/3 t), what is the maximum displacement from the equilibrium position?. . . .
Pie
<span>Yes, it is.

Here's something to think about:
The function sin(x) is never bigger than 1, no matter what number you choose to plug into it. therefore the maximum value of the equation d= 2sin(x) is 2.

I hope my answer has come to your help. Thank you for posting your question here in Brainly.


</span>
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3 years ago
While playing a trivia game. Mike answered 3 questions correct in the first half and 5 questions correct in the second half. If
raketka [301]

Answer:

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Step-by-step explanation:

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