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Nikolay [14]
3 years ago
9

What is a paragraph proof

Mathematics
2 answers:
pashok25 [27]3 years ago
8 0
A paragraph proof<span> is only a two-column </span>proof<span> written in sentences. </span>
Leno4ka [110]3 years ago
5 0

Answer:

Step-by-step explanation:

Paragraph proof:

Although there are three types of proofs namely

1) Two column proof

2) paragraph proof

3) flow chart proof

the paragraph proof is used to prove using sentences written in a paragraph.

It is a logical argument using sentences by giving evidences and details which lead to the conclusions.

Writing paragraph proof can be compared to solving a puzzle step by step.

This will have normally

Given, diagrams, prior knowledge in connection with proof, logical arguments and conclusions

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PLS HELP Find the area of the shaded region. PLEASE
anastassius [24]
<h3>Answer:   64 cm^2</h3>

Reason:

The parallelogram has area of A = base*height = 10*7 = 70 cm^2

The white rectangle has area of B = base*height = 3*2 = 6 cm^2

The shaded region has area of A - B = 70 - 6 = 64 cm^2

If you are curious why the rectangle and parallelogram use the same formula to get the area, notice how you can move that triangle on the left toward the right side so that a rectangle can be formed.

6 0
2 years ago
(-14) + (-7) = ?*<br> Your answer
Assoli18 [71]

Answer:

-21

Step-by-step explanation:

7 0
3 years ago
Read 2 more answers
Solve for x and round your answer to the nearest tenth.
Yuliya22 [10]

Answer:

I believe it should be 32.9

Step-by-step explanation:

3 0
3 years ago
(a) A newspaper conducted a statewide survey concerning the 1998 race for state senator. The newspaper took a SRS of 1200 regist
Sladkaya [172]

Answer:

n=9604

Step-by-step explanation:

1) Notation and definitions

X=620 number of people that would vote for the Republican candidate

n=1200 random sample taken

\hat p=\frac{620}{1200}=0.517 estimated proportion of people that would vote for the Republican candidate

p true population proportion of people that would vote for the Republican candidate

Me= 0.01 represent th margin of error.

Confidence =0.95 or 95%

A confidence interval is "a range of values that’s likely to include a population value with a certain degree of confidence. It is often expressed a % whereby a population means lies between an upper and lower interval".  

The margin of error is the range of values below and above the sample statistic in a confidence interval.  

Normal distribution, is a "probability distribution that is symmetric about the mean, showing that data near the mean are more frequent in occurrence than data far from the mean".  

The population proportion have the following distribution

p \sim N(p,\sqrt{\frac{p(1- p)}{n}})

In order to find the critical value we need to take in count that we are finding the interval for a proportion, so on this case we need to use the z distribution. Since our interval is at 95% of confidence, our significance level would be given by \alpha=1-0.95=0.05 and \alpha/2 =0.025. And the critical value would be given by:

z_{\alpha/2}=-1.96, z_{1-\alpha/2}=1.96

The margin of error for the proportion interval is given by this formula:  

ME=z_{\alpha/2}\sqrt{\frac{\hat p (1-\hat p)}{n}}    (a)  

And on this case we have that ME =\pm 0.01 and we are interested in order to find the value of n, if we solve n from equation (a) we got:  

n=\frac{\hat p (1-\hat p)}{(\frac{ME}{z})^2}   (b)  

The problem says that we need to use \hat p =0.05, and replacing into equation (b) the values from part a we got:

n=\frac{0.5(1-0.5)}{(\frac{0.01}{1.96})^2}=9604  

And rounded we have that n=9604

6 0
3 years ago
Substitute x=y+1 into the expression 3x -1 and determine the first step
Kruka [31]

Answer: the solution becomes 3=y+1-1

Step-by-step explanation:

The first step is to combine like terms meaning you subtract 1-1. Then you are left with 3=y.

8 0
3 years ago
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