Please help! Correct answer only!For a fundraiser, there is a raffle with 100 tickets. One ticket will win a $150 prize, and the rest will win nothing. If you have a ticket, what is the expected payoff?

$ ___

Answers

Answer 1

Answer:

Answer:

Expected Payoff ⇒ $ 1.50 ; Type in 1.50

Step-by-step explanation:

Considering that 1 out of the 100 tickets will have a probability of winning a 150 dollar prize, take a proportionality into account;

$100 - Number of Tickets,\n1 - Number of Tickets You Can Enter,\n\n1 / 100 - Probability of Winning,\n$ 150 - Money Won,\n\nProportionality - 1 / 100 = x / 150, where x -$

Thus, Solution ; Expected Payoff ⇒ $ 1.50

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Two equations are given below:a − 3b = 16
a = b − 2

What is the solution to the set of equations in the form (a, b)?

(−2, −6)

(−7, −9)

(−11, −9)

(−12, −10)

Answers

$\left \{ {{a - 3b = 16} \atop {a = b - 2}} \right. \n \n \left \{ {{a = 16 + 3b} \atop { 16 + 3b = b - 2}} \right. \n \n \left \{ {{a = 16 + 3b} \atop {3b - b = - 2 - 16}} \right. \n \n \left \{ {{a =16 + 3b} \atop {2b = -18}} \right. \n \n \left \{ {{a=16 + 3b} \atop {b=-9}} \right. \n \n \left \{ {{a=16 + 3b = 16 + 3*(-9) = 16 - 27 = -11} \atop {b=-9}} \right.$

Answer a = -11, b = -9

Answer:

third one

Step-by-step explanation:

Select all of the following points that lie on the graph of f(x) = 7 - 3x.(-2, 1)
(-1, 10)
(0, 7)
(1, 5)
(2, 1)

Answers

We know that

if the point belongs to the graph, then it must satisfy the given function.

We proceed to verify each of the points

we have

$f(x) = 7 - 3x$

case a) $(-2, 1)$

$x=-2\ny=1$

Substitute the value of x in the given function and compare the value of f(x) with the value of the coordinate y of the point

$f(x) = 7 - 3*(-2)$

$f(x) = 13$

$13\neq 1$ --------> the point not lie on the graph

case b) $(-1, 10)$

$x=-1\ny=10$

Substitute the value of x in the given function and compare the value of f(x) with the value of the coordinate y of the point

$f(x) = 7 - 3*(-1)$

$f(x) = 10$

$10=10$ --------> the point lie on the graph

case c) $(0, 7)$

$x=0\ny=7$

Substitute the value of x in the given function and compare the value of f(x) with the value of the coordinate y of the point

$f(x) = 7 - 3*(0)$

$f(x) = 7$

$7=7$ --------> the point lie on the graph

case d) $(1, 5)$

$x=1\ny=5$

Substitute the value of x in the given function and compare the value of f(x) with the value of the coordinate y of the point

$f(x) = 7 - 3*(1)$

$f(x) = 4$

$4\neq 5$ --------> the point not lie on the graph

case e) $(2, 1)$

$x=2\ny=1$

Substitute the value of x in the given function and compare the value of f(x) with the value of the coordinate y of the point

$f(x) = 7 - 3*(2)$

$f(x) = 1$

$1=1$ --------> the point lie on the graph

therefore

the answer is

Points that lie on the graph are

$(-1, 10)$

$(0, 7)$

$(2, 1)$

see the attached figure to better understand the problem

Answer:

So the person above me got it right (I think) but im small brain and dont wanna read all that so for all the ppl like me the answer is

(-1, 10)

(0, 7)

(2, 1).

Your welcome fellow lazy ppls :3

Casey is reading a book for a book report. At 3:30 P.M., he started reading where he had left off the day before. At 5:30 P.M. he was on page 160. At 8:00 P.M. he was on page 280. If reading the book is modeled by a linear function, what page did Casey start on at 3:30 P.M.?

Answers

To find the time Casey read today, 5:30 from 8:00.
8:00 - 5:30 = 2:30
Casey

To find the number of pages Casey read today subtract the page number he started reading on to the page he stopped on.
280 - 160 = 120
Casey read 120 pages today.

Now you need to find how many pages Casey read in one hour.

If Casey read 120 pages in 2.5 hours, you can find how many pages he read in one hour by dividing 120 by 2.5.
120 ÷ 2.5 = 48.
Casey read 48 pages in one hour.

Casey was on page 160 at 5:30, and you need to find what page he was on at 3:30. Since Casey read for 2 hours before he reached page 160, you need to subtract 2 hours worth of reading from that number.

160 - (2×48)
160 - 96
64

Casey was on page 64 at 3:30 pm today.

if he started reading from where he left off, and it's 5:30 and he is at page 160, and then he got to page 280 by 8:00, that is 2 hours and 30 minutes. so bring the reading time down into easier numbers so that 5-> 30 minute terms, then find out how many pages he read in 30 minutes. The difference between 160 pages and 280 pages is 120 pages. 120 divided by 30 equals 4. the amount of time between 3:30 and 5:30 is 2 hours which is 4-> 30 minute terms. So if it takes 30 minutes to read 4 pages then multiply 4 with 4 which equals 16, and finally subtract 16 from 160 and that's going to equal 144 pages.

(Sorry about the paragraph but i figured ide give you my reasoning and work just in case if i was wrong, ide like to know what i did if i am wrong. And if I'm right then that's how you show your work!)

Write in vertex form:

y = x2 - 8x + 19

Answers

$y=x^2-8x+19\ny=x^2-8x+16+3\ny=(x-4)^2+3$

Anyone know it’s middle school work

Answers

Answer:

Step-by-step explanation:

Using the conversion

1 Kg = 1000 g , then

3745 ÷ 1000 = 3.745 Kg

What are the values of x in the equasion x(x-6)=4(x+6)

Answers

x(x - 6) = 4(x + 6)
x^2 - 6x = 4x + 24
x^2 - 6x - 4x - 24 = 0
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x = -2, 12

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Please help! Correct answer only!For a fundraiser, there is a raffle with 100 tickets. One ticket will win a $150 prize, and the rest will win nothing. If you have a ticket, what is the expected payoff?$ ___

Answers

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Please help! Correct answer only!For a fundraiser, there is a raffle with 100 tickets. One ticket will win a $150 prize, and the rest will win nothing. If you have a ticket, what is the expected payoff?

$ ___