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Ivan
4 years ago
13

Is 11/12 a rational or irrational number

Mathematics
1 answer:
Reika [66]4 years ago
6 0

Answer:

Rational

Step-by-step explanation:

A rational number is any number that can be written as a ratio of integers.  11 and 12 are both integers, so 11/12 is rational.

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Solve the system of equations.<br><br> -6x+6y=6<br> -6x+3y=-12
Serhud [2]

Answer:

x=5 and y=6

Step-by-step explanation:

4 0
3 years ago
Read 2 more answers
Quadrilateral ABCD has coordinated A(-4,3)B(-3,6)C(0,8)D(-2,5). Prove that quadrilateral ABCD is a parallelogram.
emmasim [6.3K]

Answer:

The plotted dots connect to create a parallelogram with two sets of parallel lines in the second quadrant

Step-by-step explanation:

This might be a little tricky to explain but I will try my best.

A parallelogram is a four-sided plane rectilinear figure with opposite sides parallel.

The first pair of numbers is in the second quadrant the second set is also in the second quadrant a little bit up and to the right. The third set in the line a little up, the last set is again in the second quadrant and a little further down and near the middle.

Sorry if the answer isn't what you had hoped for, feel free to ask questions about it and I'll explain the best I can.

3 0
3 years ago
Process capability A. means that the natural variation of the process must be small enough to produce products that meet the sta
qaws [65]

Answer:

A.

Step-by-step explanation:

Process capability means that the natural variation of the process must be small enough to produce products that meet the standard. This term uses a wide range of data of tools, materials, methods, and people in order to produce a numerical output for something. This is used by many business' world wide in order to analyze and assess the ability that a certain process has to meet organizational goals or specifications that are required.

I hope this answered your question. If you have any more questions feel free to ask away at Brainly.

3 0
3 years ago
A city is holding a referendum on increasing property taxes to pay for a new high school. In a survey of 458 likely voters, 254
Phantasy [73]

Answer:

\hat p \pm Z*\sqrt{\frac{\hat p\times(1-\hat p)}{n} }

=0.5546\pm1.96*\sqrt{\frac{0.5546\times(1-0.5546)}{458} }

=0.5546\pm1.96*\sqrt{\frac{0.5546\times(0.4454)}{458} }

=0.5546\pm1.96*\sqrt{\frac{0.2470}{458} }

=0.5546\pm1.96*\sqrt{0.00053934}

=(0.5091,0.6001)

Lower limit for confidence interval=0.5091

             

Upper limit for confidence interval=0.6001

Step-by-step explanation:

We have given,              

             

x=254          

n=458          

Estimate for sample proportion= \bar p = 0.5546

Level of significance is =1-0.95=0.05      

Z critical value(using Z table)=1.96      

Confidence interval formula is

\hat p \pm Z*\sqrt{\frac{\hat p\times(1-\hat p)}{n} }

=0.5546\pm1.96*\sqrt{\frac{0.5546\times(1-0.5546)}{458} }

=0.5546\pm1.96*\sqrt{\frac{0.5546\times(0.4454)}{458} }

=0.5546\pm1.96*\sqrt{\frac{0.2470}{458} }

=0.5546\pm1.96*\sqrt{0.00053934}

=(0.5091,0.6001)

Lower limit for confidence interval=0.5091

             

Upper limit for confidence interval=0.6001

8 0
3 years ago
Hello every everyone I have a new question I trued to get this question but it's all wrong so if you know this answer can you pl
goblinko [34]

Answer:

third choice, 5(x+2y-3)

Step-by-step explanation:

multiply every item in the parentheses by 5.

8 0
3 years ago
Read 2 more answers
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