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3 years ago

14

A company sells artwork using a website. Information about the number of people that

2 answers:

labwork [276]3 years ago

8 0

Answer:c

Step-by-step explanation:

VARVARA [1.3K]3 years ago

6 0

The probability that the next person that visits the website will purchase more than 1 piece of artwork is $\frac{3}{50}$ .

Step-by-step explanation:

Step 1; The probability of an event is given by dividing the number of favorable outcomes i.e. the number of people that brought more than one piece of artwork by the total number of outcomes i.e. the total number of people that visited the website.

Step 2; The probability is calculated by the following values;

The number of favorable outcomes = the number of people that purchased more than one piece of artwork = 9

The total number of outcomes = The number of people that did not buy any artwork + the number of people that brought one piece of artwork + the number of people that brought more than one piece of artwork

= 117 + 24 + 9 = 150.

The probability that the next person that visits the website will purchase more than 1 piece of artwork = $\frac{9}{150}$ = $\frac{3}{50}$ .

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Let f(x) = - 10x + 9 and g(x) = x2 + 12 <br>Find f( - 4)/g( - 4)

Reptile [31]

Answer:

$\frac{49}{28}$

Step-by-step explanation:

Evaluate g(- 4) and f(- 4) by substituting x = - 4 into g(x) and f(x), that is

f(- 4) = - 10(- 4) + 9 = 40 + 9 = 49

g(- 4) = (- 4)² + 12 = 16 + 12 = 28

Then

$\frac{f(-4)}{g(-4)}$ = $\frac{49}{28}$ = $\frac{7}{4}$

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3 years ago

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attashe74 [19]

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3 years ago

Describe and correct the error in determining wheather (8,11) is a solution of y-x=3

Burka [1]

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Plug it in:

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What is the area of this triangle ?

oee [108]

Answer:

Area of triangle is 9.88 units^2

Step-by-step explanation:

We need to find the area of triangle

Given E(5,1), F(0,4), D(0,8)

We will use formula:

$Area\,\,of\,\,triangle =\sqrt{s(s-a)(s-b)s-c)} \\where\,\, s = \frac{a+b+c}{2}$

We need to find the lengths of side DE, EF and FD

Length of side DE = a = $\sqrt{(x_{2}-x_{1})^2+(y_{2}-y_{1})^2}$

Length of side DE = a = $=\sqrt{(5-0)^2+(1-8)^2}\\=\sqrt{(5)^2+(-7)^2}\\=\sqrt{25+49}\\=\sqrt{74}\\=8.60$

Length of side EF = b = $\sqrt{(x_{2}-x_{1})^2+(y_{2}-y_{1})^2}$

Length of side EF = b = $=\sqrt{(0-5)^2+(4-1)^2}\\=\sqrt{(-5)^2+(3)^2}\\=\sqrt{25+9}\\=\sqrt{34}\\=5.8$

Length of side FD = c = $\sqrt{(x_{2}-x_{1})^2+(y_{2}-y_{1})^2}$

Length of side FD = c = $=\sqrt{(0-0)^2+(8-4)^2}\\=\sqrt{(0)^2+(4)^2}\\=\sqrt{0+16}\\=\sqrt{16}\\=4$

so, a= 8.60, b= 5.8 and c = 4

s = a+b+c/2

s= 8.6+5.8+4/2

s= 9.2

Area of triangle= $=\sqrt{s(s-a)(s-b)s-c)}\\=\sqrt{9.2(9.2-8.6)(9.2-5.8)(9.2-4)}\\=\sqrt{9.2(0.6)(3.4)(5.2)}\\=\sqrt{97.5936}\\=9.88$

So, area of triangle is 9.88 units^2

4 0

3 years ago