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Daniel [21]
2 years ago
10

Can anyone solve this? Please i need help on these. 50 points for the person who answers!

Mathematics
2 answers:
algol132 years ago
7 0

Answer:

a. K= \frac{8}{1}  b. K= \frac{95}{1} c. K= \frac{13.95}{1} d. \frac{40}{1}

Step-by-step explanation:

This is the constant of proportionality. The equation is  \frac{y}{x} which is the earliest form of a linear equation.

suter [353]2 years ago
4 0

Answer:

a. k = 8

b. k = 95

c. k = 13.95

d. k = 40

Step-by-step explanation:

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4 0
3 years ago
A financial analyst wanted to estimate the mean annual return on mutual funds. A random sample of funds' returns shows an averag
Feliz [49]

A financial analyst wanted to estimate the mean annual return on mutual funds. A random sample of 60 funds' returns shows an average rate of 12%. If the population standard deviation is assumed to be 4%, the 95% confidence interval estimate for the annual return on all mutual funds is

A. 0.037773 to 0.202227

B. 3.7773% to 20.2227%

C. 59.98786% to 61.01214%

D. 51.7773% to 68.2227%

E. 10.988% to 13.012%

Answer: E. 10.988% to 13.012%

Step-by-step explanation:

Given;

Mean x= 12%

Standard deviation r = 4%

Number of samples tested n = 60

Confidence interval is 95%

Z' = t(0.025)= 1.96

Confidence interval = x +/- Z'(r/√n)

= 12% +/- 1.96(4%/√60)

= 12% +/- 0.01214%

Confidence interval= (10.988% to 13.012%)

3 0
3 years ago
I need help on it pls
Jobisdone [24]

Answer:

300 necklaces

Step-by-step explanation:

8,400 divided by 28 equals 300

4 0
3 years ago
The amount spent on food and drink by 20 customers is shown below What is the modal amount spent and the median?
Kaylis [27]

Answer:

Mode = 19.

Median = 23.

Step-by-step explanation:

Arrange in ascending order:

8 9 12 15 17 18 19 19 20 22 24 25 26 27 28 31 34 36 40 43

The modal amount is the one which occurs most , which is 19.

The median is the middle value of the 20 amounts.

As there is an even number of amounts the median is the mean of the 2 middle numbers:

Median = (22 + 24) / 2

= 23.

5 0
3 years ago
A prism is dilated by a factor of 1. 5. How many times larger is the volume of the resulting prism than the volume of the origin
andre [41]

The volume of the resulting prism is 3.375 times of original volume.

<h3>What is a dilation or scale factor?</h3>

The factor by which the dimensions of an object are enlarged is called the scale factor.

Let us take the base area of Prizm = a²

Height of the prism = h

Enlarged area = (scale factor)² * previous area

Enlarged area = 1.5²*a² = 2.25a²

Enlarged height = 1.5h

So, enlarged volume = enlarged area* enlarged height

Enlarged volume= 2.25a²*1.5h = 3.375a²h

Enlarged area/previous area = 3.375a²/a² = 3.375

Therefore, the volume of the resulting prism is 3.375 times of original volume.

To get more about dilation visit to:

brainly.com/question/10253650

3 0
2 years ago
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