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nadya68 [22]
3 years ago
12

Which classification describes the following system of equations x=5 y=6 -x-y+z=0

Mathematics
1 answer:
slamgirl [31]3 years ago
3 0

Answer:

Those system of equations are called the system of linear equations with multiple variables.

Step-by-step explanation:

Here it is given a system equations as  

x = 5 ....... (1)

y = 6 ........... (2) and  

- x - y + z = 0 ........ (3)

Those systems of equations are called the system of linear equations with multiple variables.

Those are linear equations as the maximum power of the variables is 1.

We can solve those equations with simple algebra.

Here, x = 5, y = 6 and z = x + y = 5 + 6 = 11 (Answer)

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5 0
3 years ago
Solve: 2.5k+47.4=81.9
belka [17]

Answer:

k=13.8

Step-by-step explanation:

Given function:

  • 2.5k+47.4=81.9
  • to find k..

<u><em>Subtract final and middle value:</em></u>

  • 81.9-47.4= 34.5

<em><u>Divide by 2.5:</u></em>

  • 34.5*2.5=13.8

Therefore, k=13.8..

8 0
3 years ago
The graph below is a portion of a complete graph. Choose the complete graph assuming it is an odd function.
WARRIOR [948]

Answer: I’d say D

Step-by-step explanation:

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7 0
3 years ago
A human resource manager wants to see if there is a difference in the proportion of minority applicants who get the job and the
mash [69]

Answer:

Error Bound = 0.04

Step-by-step explanation:

Whenever we want to estimate parameter from a subset (or sample) of the population, we need to considerate that your estimation won't be a 100% precise, in other words, the process will have a random component that prevents us from always making the exact decision.

With that in mind, the objective of a confidence interval is to give us a better insight of where we expect to find the "true" value of the parameter with a certain degree of certainty.

The estivamative of the true difference between proportions was -0.19 and the confidence interval was [-0.23 ; -0.15].

The question also defines the error bound, as the right endpoint of the confidence interval minus the sample mean difference, so it's pretty straight foward:

Error Bound = -0.15 -(-0.19) = -0.15 + 0.19 = 0.04

The interpretation of this would be that we expect that the estimative for the difference of proportions would deviate from the "true" difference about \pm 0.04 or 4%.

6 0
3 years ago
What are the numbers of pi \pi help due Friday
ohaa [14]

Answer: 3.14285714.....

<u>Step-by-step explanation:</u>

pi is  \dfrac{22}{7}

.\quad \underline{\ 3.14285714}\\.\ 7)22.0000000\\.\ \ \underline{-21}\\.\qquad 10\\.\qquad \underline{- 7}\\.\qquad\ \ 30\\.\quad\ \ \ \underline{-28}\\.\qquad \ \ \ 20\\.\quad\ \quad \underline{-14}\\.\qquad \quad \ \ 60\\.\qquad \quad \underline{-56}\\.\qquad \qquad \ 4

Thiis is a non-terminating and non-repeating decimal.

8 0
2 years ago
Read 2 more answers
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