A bag contains 12 slips of paper of the same size. Each slip has one number on it, 1-12. Describe an impossible event.

Answers

Answer 1

Answer: There are many impossible events. Here are a few.
I'm sure you can think of at least 15 more:

-- Pull 5 multiples of 3 from the bag.

-- Pull 3 multiples of 5 from the bag.

-- Pull 7 odd numbers from the bag.

-- Pull 7 even numbers from the bag.

-- Pull two slips from the bag whose sum is more than 21 .

-- Pull three slips from the bag whose sum is more than 33 .

-- Pull two slips from the bag whose sum is less than 3 .

-- Pull three slips from the bag whose sum is less than 6 .

-- Pull two slips from the bag whose product is more than 132 .

-- Pull two slips from the bag whose product is less than 2 .

etc.

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Solve the following system using the substitution method.9x + 8y = 15-5x + 12y = -107(x, y) = ( , )
The speeds on the interstate are normally distributed with a mean of 70 mph and a standard deviation of 5 mph. Approximately what percent of speeds fall between 60 mph and 80 mph?
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Which inequality best models the situation if variable h is the number of hours Miguel could practice the piano each week? Miguel’s goal is to practice the piano more than hours per week. Show the possible number of hours he might practice

Answers

h is the number of hours Miguel could practice the piano each week.

Miguel goal is to practice the piano more than x hours per week.

h >= x

hence depending on the amount ot hours needed to practice each week, you have to set them to be the minimum, and any other larger quantity satisfies the proposition as well.

.Resolva as equações, sendo U = Q (separe as respostas por vírgulas). A) 3y - 2 = - y + 4 B) 5 - 4x = x + 3 + 2x C) - 12 - 9x = - 4 - 12x D) - x - 6 + 3x = -2x + 8x + 15

Answers

Answer:

$(A) y=1.5$

$(B)x=\frac27$

$(C)x=2\frac23$

$(D)x=-5.25$

Step-by-step explanation:

(A)

$3y - 2 = - y + 4\n3y+y=4+2\n4y=6\ny=\frac64\n\ny=1.5$

(B)

$5 - 4x = x + 3 + 2x\n5 - 4x = 3 +3x\n5-3=3x+4x\n7x=2\nx=\frac27$

(C)

$-12 - 9x = - 4 - 12x\n-9x+12x=-4+12\n3x=8\nx=\frac83\n\nx=2\frac23$

(D) $- x - 6 + 3x = -2x + 8x + 15$

$2x-6 = 6x + 15\n2x-6x=15+6\n-4x=21\nx=(21)/(-4) \n\nx=-5.25$

What best describes the solution 0=15?

Answers

no solution because 0 cant be equal to 15

0=15 is an absurd, what means that do not exist solutions for the equation

Which of the following cannot be in the solution set of w/-2< 1?-1
1
-2
2

Answers

W can not equal - 2.

the answer is C

-2

..............

a movie theater charges $6 for a ticket to a matinee and $10 for a ticket to an evening show. last week on tuesday a total of 130 tickets were sold, with the total income amounting to $1120. how many tickets to a matinee were sold?

Answers

Answer:

45 tickets for the matinee were sold

Step-by-step explanation:

let m represent the number of matinee tickets sold and

let e represent the number of evening tickets sold.

Create a system of equations and solve for m

m + e = 130 → (1) ( total ticket sales )

6m + 10e = 1120 → (2) ( income from tickets sold )

multiplying (1) by - 10 and adding the result to (2) will eliminate e

- 10m - 10e = - 1300 → (3)

add (2) and (3) term by term to eliminate e

(6m - 10m) + (10e - 10e) = 1120 - 1300

- 4m + 0 = - 180

- 4m = - 180 ( divide both sides by - 4 )

m = 45

the number of matinee tickets sold was 45

How do you solve the system by substitution 6x+2y=-26
x-6y=21

Answers

$\begin{cases} 6x+2y=-26 \ \ / *3 \n x-6y=21 \end{cases}\n \n\begin{cases} 18x+6y=-78 \n x-6y=21 \end{cases}\n \n+ \---------\n19x= -57 \ \ /:19\n \nx=-(57)/(19)\n \nx=-3$

$x-6y=21\n \n -3-6y=21 \ \ | 3\n \n -3+3-6y=21+3\n \n-6y=24 \ \ /:(-6)\n \ny=-(24)/(6) \n \n y=-4\n \n\begin{cases} x=-3 \n y=-4 \end{cases}$

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Mikey bought 4 of the 500 raffle tickets sold towin a new TV. What is the probability that he willwin the TV