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1 year ago

How many hectometers are in 16 decimeters

Mathematics

2 answers:

NikAS [45]1 year ago

8 0

Answer:

0.016 decimeters

Step-by-step explanation:

16 x 10^-3 = 0.016dm

inysia [295]1 year ago

4 0

Answer:

0.016 hm

Step-by-step explanation:

i dont cap

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a sofa at Leon's and Pei was originally $1,899 the price was reduced by 35% for a quick sale but when it's still did not sell it

sineoko [7]

Hey there!!

Let's take a closer look at the question,

We have the original price with included 15% tax

This original price is first reduced by 35% , first let's solve this.

35% = 35 / 100 = 0.35

0.35 × 1899

... $664.65 = 35% of of $1899.00

It would be sold for

... 1899 - 664.65

... $1234.35

Now, this price is further reduced by 20%

20% = 20/100 = 0.20

... 0.20 × 1234.35

... $246.87

This is 20% of 1234.35

Now, the price it would be sold for =

... $1234.35 - $246.87

... $987.42 is the final price the sofa would be sold for.

Hope my answer helps!!

7 0

2 years ago

Read 2 more answers

Two sisters, sister A and sister B, play SCRABBLE with each other every evening. Sister A is a statistician, and she draws a ran

snow_tiger [21]

Answer:

First question: LCL = 522, UCL = 1000.5

Second question: A sample size no smaller than 418 is needed.

Step-by-step explanation:

First question:

Lower bound:

0.36 of 1450. So

0.36*1450 = 522

Upper bound:

0.69 of 1450. So

0.69*1450 = 1000.5

LCL = 522, UCL = 1000.5

Second question:

In a sample with a number n of people surveyed with a probability of a success of $\pi$ , and a confidence level of $1-\alpha$ , we have the following confidence interval of proportions.

$\pi \pm z\sqrt{\frac{\pi(1-\pi)}{n}}$

In which

z is the zscore that has a pvalue of $1 - \frac{\alpha}{2}$ .

The margin of error is:

$M = z\sqrt{\frac{\pi(1-\pi)}{n}}$

The project manager believes that p will turn out to be approximately 0.11.

This means that $\pi = 0.11$

95% confidence level

So $\alpha = 0.05$ , z is the value of Z that has a pvalue of $1 - \frac{0.05}{2} = 0.975$ , so $Z = 1.96$ .

The project manager wants to estimate the proportion to within 0.03

This means that the sample size needed is given by n, and n is found when M = 0.03. So

$M = z\sqrt{\frac{\pi(1-\pi)}{n}}$

$0.03 = 1.96\sqrt{\frac{0.11*0.89}{n}}$

$0.03\sqrt{n} = 1.96\sqrt{0.11*0.89}$

$\sqrt{n} = \frac{1.96\sqrt{0.11*0.89}}{0.03}$

$(\sqrt{n})^2 = (\frac{1.96\sqrt{0.11*0.89}}{0.03})^2$

$n = 417.9$

Rounding up

A sample size no smaller than 418 is needed.

6 0

3 years ago

What is the surface area of the figure below?

konstantin123 [22]

The answer is D I’m pretty sure!? Hopefully you got it right!!!!!!!

5 0

2 years ago

63a-42b Please help!

Gennadij [26K]

21(3a-2b) hope this help !
I’m sorry if I’m wrong

7 0

3 years ago

Find the greatest common factor of the following monomials.<br> 25x^5 20x^6

klio [65]

1x25=25
5x5=25

1x20=20
2x10=20
4x5=20

x^5 is the biggest you can take out of x^5 and x^6 and 5 is the biggest number you can take out of 20 and 25

5m^5

8 0

2 years ago