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Furkat [3]
4 years ago
7

You are working as an office apprentice for the bksb Newcastle Arena. The arena is giving away free tickets to encourage more pe

ople to visit the amateur sport tournaments the arena is planning to host. Every time a customer purchases a ticket they are entered into a draw. Each draw is made up of 800 entrants. There is a 1/20 chance of winning.
How many winners will there be per draw?
What is the chance of not winning? Show your answer in percentage form.
Mathematics
2 answers:
Artemon [7]4 years ago
6 0
<span>Divide 800 / 20 = 40,
There will be 40 winners per draw.
800 / 100 = 8, 1% will be 8 people in the draw.
40 / 8 = 5, 5% of winning, 95% of loosing.

Hope this helps.</span>
Elenna [48]4 years ago
6 0

I believe that there is a 5% chance of winning and 95% of losing
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Plz help me with numbers 7&amp;8 and there is a box below for answers and it needs to be and answer to that question
mash [69]
Okay so the first one, you compare the fractions

3
12 150

3 * 150 / 12

the second, you add the number of beads, so 20 beads, and put them into a fraction with how many beads the red and green are, so 8+6= 14

the fraction is 14
20

now put it to a bead is picked 60 times.

14
20 60

14 * 60 / 20
5 0
3 years ago
A company's profit C (in thousands of dollars) can be modeled by the polynomial function C = - 5x ^ 3 + 6x ^ 2 + 15x , where x i
steposvetlana [31]

Answer:

849 items.

Step-by-step explanation:

Given that the profit C (in thousands of dollars) for x thousands of items related as

C = - 5x ^ 3 + 6x ^ 2 + 15x \\\\\Rightarrow -5x^3+6x^2+15x -C=0\cdots(i)

As the profit is $14,000 for producing 2000 items, so

C= 14 thousand dollars and

x= 2 thousand items.

Putting C= 14 in the equation ( we have),

-5x^3+6x^2+15x -14=0\cdots(ii)

Now, x=2 is one of the solutions to the equation (ii), so (x-2) is a factor of the equation (ii), we have

(x-2)(-5x^2-4x+7)=0 \\\\\Rightarrow x-2=2 \; or \; -5x^2-4x+7=0

We have the given solution for x-2=0, so sloving -5x^2-4x+7=0 for other solutions.

-5x^2-4x+7=0 \\\\\Rightarrow x= \frac {-(-4)\pm \sqrt {(-4)^2-4\times (-5)7}}{2\times (-5)} \\\\\Rightarrow x= \frac {4\pm \sqrt {156}}{2\times (-5)} \\\\\Rightarrow x= \frac {4\pm 12.49}{2\times (-5)} \\\\\Rightarrow x = \frac {4+ 12.49}{2\times (-5)}, \frac {4- 12.49}{2\times (-5)} \\\\\Rightarrow x = -1.649, 0.849

As the number of items cant be negative, so x= 0.849 thousand is the other number of items.

Hence, the other number of items for the same profit is 849 items.

4 0
3 years ago
Whats the ratio of 32:40
raketka [301]

Answer:

4:5

Step-by-step explanation:

32:40

=>32/40

=>diving numerator and denominator by 8

=>4/5

=>4:5

7 0
3 years ago
Read 2 more answers
Question 3<br> In the triangle below, what is the side opposite to
cluponka [151]

Answer:

In the given diagram the side opposite angle J is LR which is :

<h2>Option D</h2>
5 0
3 years ago
The expression x2y - 2xy - 24y can be factored by first factoring out a common factor of y.
gladu [14]

Answer:

quadratic

Step-by-step explanation:

Given

x²y - 2xy - 24y ← factor out y from each term

= y(x² - 2x - 24) ← quadratic factor

To factor the quadratic

Consider the factors of the constant term ( - 24) which sum to give the coefficient of the x- term (- 2)

The factors are - 6 and + 4, since

- 6 × 4 = - 24 and - 6 + 4 = - 2, hence

x² - 2x - 24 = (x - 6)(x + 4) and

x²y  - 2xy - 24y = y(x - 6)(x + 4) ← in factored form

6 0
3 years ago
Read 2 more answers
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