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2 years ago

What is the slope of the line?

Mathematics

1 answer:

grandymaker [24]2 years ago

5 0

Lines such as this have no slope. This applies to all vertical lines.

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Write a division number story with an answer of 3/5

katrin [286]

Peter has 4 friends. He invited them to his home. He ordered a pizza of his favorite and made it into 5 slices.

Few minutes later, one of his friends Smith came and they enjoyed one slice of pizza each.

Now, the question is what portion of the pizza left for his remaining friends?

Answer :

Peter made the pizza into 5 pieces.

So, $1=\frac{5}{5}$

Peter and Smith had $\frac{1}{5}$ th of the pizza each.

So, the remaining portion = $\frac{5}{5} -(\frac{1}{5}+\frac{1}{5})$

$=\frac{5}{5} -\frac{2}{5}$

$=\frac{3}{5}$

8 0

3 years ago

Perform the indicated operation to write given polynomial in standard form: (x+ 2)(2x^2 − 5x+7)

Elan Coil [88]

Answer:

So the expression in standard form will be $2x^3-x^2-3x-14$

Step-by-step explanation:

We have given expression $(x+2)(2x^-5x+7)$

We have to write this expression in standard form

For writing in standard form first we have to multiply the expression

So after multiplication number $(x+2)(2x^2-5x+7)=2x^3-5x^2+7x+4x^2-10x-14=2x^3-x^2-3x-14$

So the expression in standard form will be $2x^3-x^2-3x-14$

5 0

3 years ago

What is the surface area of this figure?

Sindrei [870]

Answer:

328

Step-by-step explanation:

3 0

3 years ago

Need help, please<br> will give brainly

ozzi

Answer:

(6,9)

Step-by-step explanation:

3(2,3)

= (6,9)

Hope this helps plz hit the crown :D

3 0

2 years ago

Read 2 more answers

A poll asked adults in a certain country whether immigration was a good thing or a bad thing for the country. Out of 10781078 r

Shkiper50 [21]

<h2>Answer with explanation:</h2><h2></h2>

a. Given : Sample size : n= 1078

The number of adults said it was a good thing= 659

Then , the proportion of success : $p=\dfrac{659}{1078}\approx0.611$

b. The conditions to determine whether you can apply the CLT to find a confidence interval are :-

The data must be randomly sampled.
The sample size must be large (n>30).
The sample values should be independent of each other.

Since the given data satisfies all the above conditions , so we can apply the CLT to find a confidence interval.

c. Given : Significance level : $1-0.95=0.05$

Critical value : $z_{\alpha/2}=1.96$

The confidence interval for population proportion is given by :-

$p\ \pm\ z_{\alpha/2}\sqrt{\dfrac{p(1-p)}{n}}\\\\=0.611\pm (1.96)\sqrt{\dfrac{(0.611)(1-0.611)}{1078}}\approx0.611\pm0.029\\\\=(0.611-0.029,0.611+0.029)\\\\=(0.582, 0.64)$

Hence, a 95% confidence interval for the proportion who believe immigration is a good thing is (0.582, 0.64).

3 0

2 years ago