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ycow [4]
2 years ago
14

3x-2y=12

Mathematics
1 answer:
maksim [4K]2 years ago
8 0
Answer: NO SOLUTION!!
(WORK SHOWN BELOW)

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Which row operation will trangularize this matrix?
Nadya [2.5K]

\left[\begin{array}{ccc}1&0&1\\0&0&1\\2&0&1\end{array}\right|\left\begin{array}{ccc}1\\6\\10\end{array}\right] \xrightarrow{-2R_1+R_3}\left[\begin{array}{ccc}1&0&1\\0&0&1\\0&0&-1\end{array}\right|\left\begin{array}{ccc}1\\6\\8\end{array}\right]\\\\Answer:\ C.\ -2R_1+R_3

8 0
2 years ago
Read 2 more answers
Which of the following is a polynomial?
lyudmila [28]

Answer:

<em><u>D.</u></em>

Step-by-step explanation:

A polynomial is an expression that looks similar to this:

3x³+x-3

7 0
2 years ago
Read 2 more answers
Finding missing angles 33 33 x
Levart [38]
Answer:

x + 33 = 180

x = 180 - 33

x = 147


Explanation:

The angle x and the angle 33 are supplementary angles. Supplementary angle are two angle side-by-side one another, and when added, give you 180 degrees.
5 0
2 years ago
Find the next two positive and two negative angles that are coterminal with the given quadrantal angle.
adell [148]

Answer:

(1). 450 degree and 90 degree.

(2). - 270 degree and - 990 degree.

Step-by-step explanation:

So, we are given the the following data or parameters in this question or problem; A = -630 degree, and we are to look for the next two positive and two negative angles that are coterminal with the given quadrantal angle.

For the positive(+ve) angles we have that;

- 630 degree + 1080 degree = 450 degree; and - 630 degree + 720 degree= 90 degree.

For the negative(-ve) angles we have that;

- 630 degree + 360 degree= - 270 degree and - 630 degree - 360 degree = - 990 degree.

8 0
3 years ago
Layla lives in Colorado and works as a teacher earning $55,000 a year. Her brother A.J. lives in Nevada and works as a teacher,
likoan [24]

Answer:

<u>Because Nevada is one of the seven states where residents no pay income tax, no matter how much you make. This decision is compensated with a higher-than-average sales tax.</u>

Step-by-step explanation:

1. Let's check the information provided to us to answer the question correctly:

Layla annual earnings = US$ 55,000

A.J. annual earnings = US$ 55,000

Income tax rate paid by Layla = 4.63%

Income tax rate paid by A.J. = 0%

2. Colorado uses these taxes to pay for public services such as school, police, and sanitation. A.J. pays 0 percent of his yearly income to the state of Nevada in income taxes. Yet his town has schools, police, and sanitation services. Why does this happen?

Because Nevada is one of the seven states where residents no pay income tax, no matter how much you make. This decision is compensated with a higher-than-average sales tax.

7 0
3 years ago
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