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3 years ago

What is the relationship between 10% of 20.00 and 20% of 20.00

Mathematics

2 answers:

natima [27]3 years ago

7 0

10% of 20 is half of 20% of 20

UkoKoshka [18]3 years ago

3 0

10% of 20.00 is 2, so 20% of 20.00 is 2 X 10% or 2 x 2 which equals 4.
Therefore, 20% is twice as much as 10%.

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An important factor in selling a residential property is the number of times real estate agents show a home. A sample of 23 home

yanalaym [24]

Using the t-distribution, it is found that:

a. The margin of error is of 4.7 homes.

b. The 98% confidence interval for the population mean is (19.3, 28.7).

The information given in the text is:

Sample mean of $\overline{x} = 24$ .
Sample standard deviation of $s = 9$ .
Sample size of $n = 23$ .

We are given the standard deviation for the sample, which is why the t-distribution is used to solve this question.

The confidence interval is:

$\overline{x} \pm M$

The margin of error is:

$M = t\frac{s}{\sqrt{n}}$

Item a:

The critical value, using a t-distribution calculator, for a two-tailed 98% confidence interval, with 23 - 1 = 22 df, is t = 2.508.

Then, the margin of error is:

$M = t\frac{s}{\sqrt{n}} = 2.508\frac{9}{\sqrt{23}} = 4.7$

Item b:

The interval is:

$\overline{x} - M = 24 - 4.7 = 19.3$

$\overline{x} + M = 24 + 4.7 = 28.7$

The 98% confidence interval for the population mean is (19.3, 28.7).

A similar problem is given at brainly.com/question/15180581

3 0

2 years ago

Aldo spends $14 each time he travels the toll roads. He started the month with $224 in his toll road account. The amount, A

skelet666 [1.2K]

Pare a.) $70 is what he would have left. Since each trip is $14 you would multiply that by the amount of times he went which was 11. 14x11 is $154. But you need what he has left so you take his total amount $224-$154 and get $70.

Part b.) 16 times. He has $224 total. You want to find out how many times he can go on the tool roads. We know the toll roads cost $14 each time. So you do $224/14 and get an even amount of 16. He would be able to use it 16 times before he have no money left.

6 0

3 years ago

Which of these metals are magnetic?

Delicious77 [7]

I believe it would be Steel so B

7 0

3 years ago

Read 2 more answers

Please help me find where I should draw the line! Thsm!

Anastasy [175]

Answer:

That should be it if I'm not mistaken. The first one is y= 4+x, and the second one is y= 2x