Answer:
Step-by-step explanation:
The smaller number would be 27. If the first number is 12 greater than the 2nd number and we have to make it equal to 66. Our smaller number would be 27 becuase if we add 12 to 27 that gives us 39. 39+27= 66. Hopefully that makes sense.
Polygon ABCD with vertices at A(1, −1), B(3, −1), C(3, −2), and D(1, −2) is dilated to create polygon A′B′C′D′ with vertices at A′(4, −4), B′(12, −4), C′(12, −8), and D′(4, −8). Determine the scale factor used to create the image.
1/4
1/2
2
4
The scale factor used to create the dilated polygon is 4.
What is scaler factor?
Scale factor is a numerical ratio that describes how much a geometric figure has been enlarged or reduced. It is the ratio of the length of a side, diagonal, or any other linear dimension of the new (dilated) figure to the corresponding dimension of the original figure.
The distance between two points can be calculated using the distance formula: [tex]d=\sqrt{(x_2-x_1)^2+(y_2-y_1)^2}$.[/tex]
To determine the scale factor, we need to compare the distances between corresponding points in the original and dilated polygons. Let's start by finding the distance between points A and B in the original polygon:
[tex]$d_{AB}=\sqrt{(3-1)^2+(-1+1)^2}=\sqrt{4}=2$[/tex]
Now let's find the distance between corresponding points A' and B' in the dilated polygon:
[tex]$d_{A'B'}=\sqrt{(12-4)^2+(-4+4)^2}=\sqrt{64}=8$[/tex]
To find the scale factor, we divide the corresponding distances:
[tex]$scale\ factor=\frac{d_{A'B'}}{d_{AB}}=\frac{8}{2}=4$[/tex]
Therefore, the scale factor used to create the dilated polygon is 4.
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Kayleigh babysat for 11 hours this week. That was 5 fewer than 2/3 as many hours as she babysat last week, H. Write an equation to represent the number of hours she babysat each week.
Answer:
⅔h – 5 = 11
Step-by-step explanation:
h = babysitting hours last week
⅔h = two-thirds of those hours
⅔h - 5 = five hours fewer than two-thirds of those hours
⅔h – 5 = 11
The equation is ⅔h – 5 = 11.
abc is a right triangle with points a 2,5 b 2,0 and c x,0. if the area of abc is 25 square units, what us the equation of ac?
As the given abc is a right triangle with points a(2, 5), b(2, 0), and c(x, 0). The area of 'abc' is 25 square units. and the equation of AC is x = 5√5.
The equation of ac has to be found. Since triangle ABC is right-angled, it can be shown that
AC² = AB² + BC²
Finding the lengths of AB and BC before using the Pythagorean theorem to find AC.
Using the distance formula,
AB =√(5²+0²)
= √25
= 5,
And BC = √(x²+0²)
= √x²
= x.
Area of a right triangle = ½(base × height)
Here base = AB and height = BC,
So, ½ × 5 × x = 25
⇒ 5x = 50
⇒ x = 10
Now, to find AC, use the Pythagorean Theorem.
AC² = AB² + BC²
= 5² + 10²
= 25 + 100
= 125AC
= √125
= 5√5
Thus, the equation of AC is x = 5√5. Answer: x = 5√5.
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If you have 4 purple marbles and 8 yellow marbles in a bag. What is the probability of getting a purple marble
You have a 4/12 probability.
Jennifer bought 14.75 gallons of gasoline for her car at a cost of $2.95 a gallon. which is closest to the amount she paid for the gasoline?
The total amount paid by Jennifer for 14.75 gallons of gasoline at the cost of $2.95per gallons is equal to $43.51.
Total gallons of gasoline bought by Jennifer for her car = 14.75 gallons
Cost of gasoline per gallons = $2.95
The total amount Jennifer paid for the gasoline is equal to,
Amount paid by Jennifer
= Number of gallons of gasoline x Cost per gallon
Substitute the value in the formula we get,
⇒ Amount paid by Jennifer = 14.75 gallons x $2.95/gallon
⇒ Amount paid by Jennifer = $43.5125
⇒ Amount paid by Jennifer = $43.51
Therefore, the closest amount Jennifer paid for the gallons of gasoline is equal to $43.51.
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two eggs and two pieces of bacon have a total of 22 grams of fat. two eggs and four pieces of bacon have a total of 32 grams of fat. how many grams of fat are in each?
We can solve the given system of equations to find how many grams of fat are in each when two eggs and two pieces of bacon have a total of 22 grams of fat and two eggs and four pieces of bacon have a total of 32 grams of fat.
Step-by-step explanation:
Let's consider that each piece of bacon has "x" grams of fat and each egg has "y" grams of fat.
From the given information, we can form two equations as follows:
Equation 1: 2x + 2y = 22 (when two eggs and two pieces of bacon have a total of 22 grams of fat)
Equation 2: 4x + 2y = 32 (when two eggs and four pieces of bacon have a total of 32 grams of fat)
To solve for "x" and "y", let's perform elimination by multiplying Equation 1 by (-2) and adding it to Equation 2.
-4x - 4y = -44 (multiply Equation 1 by -2)
+ 4x + 2y = 32 (Equation 2)
-2y = -12
y = 6
Substitute the value of "y" in Equation 1 or 2 to solve for "x":
2x + 2y = 22
2x + 2(6) = 22
2x = 10
x = 5
Therefore, each piece of bacon has 5 grams of fat and each egg has 6 grams of fat.
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WILL GIVE BRAINLY
If sin (x) =3 cos(x), then what is sin(x) times cos (x)?
L(-1,6), M(5,8), N(0,2), P(-8,12)
Determine whether the quadrilateral is a parallelogram using the specific method. (Distance formula)
Yes, the quadrilateral is a parallelogram. To prove this using the distance formula method, we need to show that opposite sides of the quadrilateral are equal in length.
We can calculate the distance between each pair of points using the distance formula:
d = [tex]\sqrt{((x2 - x1)^2 + (y2 - y1)^2)}[/tex]
Using this formula, we get:
d(LM) = √[tex]((5 - (-1))^2 + (8 - 6)^2)[/tex] = √(36 + 4) = √(40) = 2√(10)
d(NP) = √[tex]((-8 - 0)^2 + (12 - 2)^2)[/tex] = √(64 + 100) = √(164) = 2√(41)
d(LN) = √[tex]((0 - (-1))^2 + (2 - 6)^2)[/tex] = √(1 + 16) = √(17)
d(MP) = √[tex]((-8 - 5)^2 + (12 - 8)^2[/tex]) = √(169 + 16) = √(185)
We can see that d(LM) = d(NP) and d(LN) = d(MP), which means that opposite sides of the quadrilateral are equal in length. Therefore, the quadrilateral is a parallelogram.
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a pharmaceutical company investigating whether drug stores are less likely than food markets to remove over-the-counter drugs from the shelves when the drugs are past the expiration date found a p-value of 2.8%. this means that:
qwerty
2.8% the answer is 2.8% and b is 2.8%
Joe has 2 strips of card each strip Is 36cm long one strip is divided into 3 equal parts the other strip is divided into 4 equal parts joe uses 2 strips to make this shape what is the total length of joes shape
The total length of Joe's shape will be the sum of these lengths, which is 12 + 9 + 9 = 30cm.
To find the total length of Joe's shape, we first need to determine the length of each part of the strips.
For the first strip, which is divided into three equal parts, each part will be 36/3 = 12cm long. For the second strip, which is divided into four equal parts, each part will be 36/4 = 9cm long.
To make the shape, Joe will need to use two strips. Let's assume that Joe places the strip with three equal parts horizontally and the strip with four equal parts vertically. He will then need to cut each strip into the appropriate lengths to create the shape.
To create the shape, Joe will need to use one 12cm length from the first strip and two 9cm lengths from the second strip. He will then need to connect these lengths together to create the shape.
These lengths will add up to a total length for Joe's shape of 12 + 9 + 9 = 30 cm.
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PLEAaSE HELP PLSSSS!!!!!
Answer:
= 58/33
= 1 25/33
Step-by-step explanation:
12/11 - (-2/3) =
= 12/11 + 2/3
= 36/33 + 22/22
= 58/33
= 1 25/33
the most important thing to notice about a table of q-sort correlates is the a. smallest correlation. b. exact value of the correlations. c. wording of specific items. d. general patterns that emerge.
The most important thing to notice about a table of q-sort correlates is d. general patterns that emerge.
Q-sorting is a method of ranking items in order of preference or importance, and Q-sort correlates are used to identify relationships between the ranked items. The correlations in the table represent how strongly the items are associated with each other based on their rankings.
While the exact value of the correlations is important for statistical analysis, the most valuable information in a table of q-sort correlates is the general patterns that emerge. These patterns can help to identify groups of items that are closely related to each other, as well as those that are more distantly related.
Understanding the wording of specific items may also be important, as it can impact how the items are ranked and how they relate to each other. However, the primary focus of a table of q-sort correlates is on the relationships between the items, rather than the items themselves.
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the probability is approximately 0.6 that in a randomly selected week, they will make a combined total less than what amount?
There is a probability of around 60% that during a week picked randomly, the combined sum of their earnings will be below $0.2533.
The given probability is a measure of the chances that the occurrence of an event will happen. In the context of the question, we want to calculate the combined total of earnings that are less than a certain amount. We know that the probability is approximately 0.6. Therefore, the answer is given by the value that satisfies this condition.
That is, P(X < a) = 0.6where X represents the combined total earnings of a randomly selected week, and a is the required amount.
To solve for a, we can use the cumulative distribution function (CDF) of X. The CDF gives the probability that X is less than or equal to a. Therefore, CDF(a) = P(X ≤ a)
The complement of this probability isP(X > a) = 1 - CDF(a)
We know that P(X < a) = 0.6, which is equivalent to (X ≤ a) = P(X < a) + P(X = a) = 0.6 + 0 = 0.6
Therefore, P(X > a) = 1 - CDF(a) = 1 - P(X ≤ a) = 1 - 0.6 = 0.4
Now we can use a calculator to find the value of a that corresponds to P(X > a) = 0.4.
For example, if we use a calculator, we get a value of a = 0.2533 (rounded to four decimal places).
Therefore, the probability is approximately 0.6 that in a randomly selected week, they will make a combined total of less than $0.2533.
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Jhoney ate 3 apples and have 2 left how much did he eat?
By probability , 3 Apples are left .
What does a probability simple definition entail?
A probability is a number that expresses the possibility or likelihood that a specific event will take place. Probabilities can be stated as proportions with a range of 0 to 1, or as percentages with a range of 0% to 100%.
The probability is a metric for determining how likely an event is to occur. It gauges how likely an event is. The probability equation is stated by the following notation: P(E) = Number of Favorable Outcomes/Number of Total Outcomes.
Jhoney ate = 3 apples
= 2 left
he eat = ³C₂
= 3!/(3-2)! 2!
= 3
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Think of a time when you had a question in math class, did you ask it? If so, did it get answered? If you tend to not ask your questions, why do you think you hesitate to ask? Have you ever had someone else ask the same question you had? How did it make you feel? Relief?
Asking questions in math class is crucial for deepening understanding, and teachers strive to create a supportive learning environment for students to feel comfortable seeking help.
Students may hesitate to ask questions in math class for various reasons, such as fear of being judged by peers or the teacher, feeling like their question is not important, or simply not wanting to disrupt the flow of the lesson. However, it's essential to remember that asking questions is an integral part of the learning process and can lead to a deeper understanding of the subject.
When students do ask questions, they may feel relieved to have their doubts clarified, and it can also benefit other students who may have had the same question but were hesitant to ask. Teachers typically encourage questions and strive to create a supportive learning environment where students feel comfortable asking for help.
In summary, asking questions is an essential aspect of learning, and students should feel encouraged to ask them, as it can lead to a deeper understanding of the subject and help their peers who may have had similar questions.
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miguel went to a movie theater and bought a large bag of popcorn that cost $10.49. to avoid spending too much money in all, he determined that he could spend up to $5.51 on a drink. let x represent how much money miguel wanted to spend in all. which inequality describes the problem?
The inequality that represents Miguel's spending limit is $16.00 ≤ x.
Let x represent the total amount of money Miguel wants to spend. We know he spent $10.49 on popcorn and can spend up to $5.51 on a drink.
To find the inequality, we can add these two amounts together and set it less than or equal to x, since x represents the maximum amount he wants to spend. Mathematically, we can write:
$10.49 + $5.51 ≤ x
Simplifying this inequality, we get:
$16.00 ≤ x
This means that Miguel can spend up to $16.00 in total on the popcorn and drink combined. If he spends more than $16.00, he will have exceeded his limit.
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Dan had 50% fewer stickers than Jeff. After Jeff gave 20 of his stickers to Dan, Dan had 40% fewer stickers than Jeff (had after he gave away 20 of his stickers). How many stickers did Dan have at first?
Dan had 50% fewer stickers than Jeff. After Jeff gave 20 of his stickers to Dan, Dan had 40% fewer stickers than Jeff. Dan had 320 stickers first.
Dan had 50% fewer stickers than Jeff.
After Jeff gave 20 of his stickers to Dan, Dan had 40% fewer stickers than Jeff (had after he gave away 20 of his stickers).
How many stickers did Dan have at first?
The total number of stickers that Jeff had is denoted by J, and the total number of stickers that Dan had is denoted by D.
In order to solve the question, let us first represent the given data mathematically:
J = 1.5D; D+20 = 0.6(J-20)
We have 2 equations and 2 unknowns, J and D.
We can solve these equations using simultaneous linear equations.
Substitute the first equation in the second equation:
D+20=0.6(J-20)
⇒ D+20=0.6J-12
⇒ D=0.6J-32
Now substitute the value of D in the first equation:
J=1.5D
⇒ J=1.5(0.6J-32)
⇒ J=0.9J-48.
Therefore, J=480
The total number of stickers that Jeff had initially was 480.
Now, to calculate the total number of stickers that Dan had, we can use the equation
J=1.5D:J=1.5D
⇒ 480=1.5D
⇒ D=320
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Evaluate
8
�
−
1
+
0. 5
�
8a−1+0. 5b8, a, minus, 1, plus, 0, point, 5, b when
�
=
1
4
a=
4
1
a, equals, start fraction, 1, divided by, 4, end fraction and
�
=
10
b=10b, equals, 10
The evaluation of the algebraic expression 8a-1+0.5b when a=1/4 and b=10 is 6.
We are given an expression 8a−1+0.5b8, and we are asked to evaluate it when a = 1/4 and b = 10. Substituting these values, we get:
8(1/4) - 1 + 0.5(10) = 2 - 1 + 5
Simplifying the expression on the right-hand side, we get:
8a−1+0.5b8 = 6
Therefore, when a = 1/4 and b = 10, the value of the expression 8a−1+0.5b8 is 6.
This means that if we substitute the given values for a and b, the resulting expression will have a value of 6. It is important to correctly substitute the values before evaluating the expression to obtain the correct answer.
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____The given question is incomplete, the complete question is given below:
Evaluate 8 a − 1 + 0.5 b 8a−1+0.5b8, a, minus, 1, plus, 0, point, 5, b when a = 1 4 a= 4 1 a, equals, start fraction, 1, divided by, 4, end fraction and b = 10 b=10b, equals, 10.
Kyle is playing a game where he rolls a number cube twice and flips a coin twice. The number cube is labeled 1 to 6. The coin can land on heads or tails.
If the number cube lands on 5 both times and the coin lands on heads both times, Kyle wins a prize. What is the probability that Kyle wins the prize?
The chance of rolling two 5s and flipping two heads can be calculated by multiplying the odds together because each cube and coin flip is independent. the probability that Kyle wins the prize is [tex]1/144[/tex]
What is the probability?The probability of rolling a 5 on a number cube is 1/6, and the probability of flipping heads on a coin is 1/2.
Since each roll of the cube and flip of the coin is independent, we can find the probability of rolling two 5's and flipping two heads by multiplying the probabilities together:
P(rolling two 5's and flipping two heads) = P(rolling a 5) * P(rolling a 5) * P(flipping heads) * P(flipping heads)
[tex]= (1/6) \times (1/6) \times (1/2) \times (1/2)[/tex]
[tex]= 1/144[/tex]
Therefore, the probability that Kyle wins the prize is ,[tex]1/144[/tex] or approximately [tex]0.0069[/tex] (rounded to four decimal places).
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emme takes a quiz for her anthropology 401e course. there are 9 multiple-choice questions on the test with 4 answer choices, only one of which is correct. emme has not studied for the test, so she just randomly guesses the answers. what is the probability that emme answers exactly 3 questions correctly? enter your answer as a decimal with four significant digits
The probability that Emme answers exactly 3 questions correctly is 0.1961.
Since each question has four answer choices and only one is correct, the probability of Emme randomly guessing the correct answer for each question is 1/4 = 0.25. Emme needs to answer exactly 3 out of the 9 questions correctly, so we use the binomial distribution with n = 9 and p = 0.25 to calculate the probability:
P(X = 3) = (9 choose 3) * (0.25)^3 * (0.75)^6
Using a calculator, we get:
P(X = 3) = 0.1961
Therefore, the probability that Emme answers exactly 3 questions correctly is 0.1961.
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dots are spaced one unit apart, horizontally and vertically. what is the number of square units enclosed by the polygon?
The number of square units enclosed by the polygon is 18.
First, count the number of dots that are enclosed by the polygon (including those on the boundary). There are 14 such dots.Next, count the number of dots on the boundary of the polygon. There are 8 dots on the boundary.Each of the dots on the boundary corresponds to a line segment of the polygon.
So, the perimeter of the polygon is 8 units (the length of each of these line segments).Now, we can use Pick's theorem to find the area of the polygon. Pick's theorem states that A = i + b/2 - 1, where A is the area of the polygon, i is the number of dots inside the polygon, and b is the number of dots on the boundary of the polygon.
So, plugging in the values we have: A = 14 + (8/2) - 1 = 14 + 4 - 1 = 17
Therefore, the area of the polygon is 17 square units.However, we have to remember that the dots are spaced one unit apart, horizontally and vertically.
Therefore, each square that is enclosed by the polygon has an area of 1 square unit. We counted 17 such squares, so the total area enclosed by the polygon is 17 square units.
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What is the height of the parallelogram?
12 m
A = 186 m²
Answer: 15.5
Step-by-step explanation:
H = A/B
= 186/12
= 15.5
find the amount due on the loan round to the nearest cent.
principal= $4,000
rate =7 1/2 %
time in months = 3
Answer:
The first step is to calculate the interest that accrues over the 3-month period:
Interest = Principal x Rate x Time
= $4,000 x 0.075 x (3/12)
= $75
The amount due on the loan is the sum of the principal and interest:
Amount due = Principal + Interest
= $4,000 + $75
= $4,075
Rounding to the nearest cent gives: $4,075.00
please help me im begging (ignore the cat hair)
Step-by-step explanation:
The circumference of a circle is given by the formula:
C = πd
where d is the diameter of the circle and π is a mathematical constant approximately equal to 3.14159.
In this case, the diameter of the circle is 58, so we can substitute this value into the formula:
C = πd
C = π(58)
C ≈ 182.09
Therefore, the circumference of the circle with diameter 58 is approximately 182.09 units. Note that the units of measurement were not specified in the question, so the units of the answer will depend on the units used for the diameter.
A fish tank, in a shape of rectangular prism, measures
100 cm × 60 cm X40 cm. The water level reached the blvoo eveD gror vIs midpoint of the base (the 50 cm mark), when the tank was tilted to rest on a 60 cm edge, as shown in the
100
diagram on the right. What would be the depth of the water, if the tank is returned to its horizontal position (resting on its 60 cm × 100 cm base)?
When the tank is tilted, the water level reaches the midpoint of the 60 cm side, which is 30 cm from the bottom of the tank. This means that the height of the water is 30 cm.
To find the depth of the water when the tank is returned to its horizontal position, we need to use the concept of similar triangles. The two triangles formed by the water level and the sides of the tank are similar, because they have the same angles.
Let x be the depth of the water in centimeters when the tank is returned to its horizontal position. Then we have:
(40 - x) / 60 = 30 / 50
Simplifying this equation, we get:
40 - x = 36
x = 4
Therefore, the depth of the water in the fish tank when it is returned to its horizontal position is 4 cm.
i dont know how yo do this question
Step-by-step explanation:
2x + 2y = 28 <=====given
x * y = 40 <===given ..... re-arrange to :
y = 40 / x <===substitute this 'y' into the first equation
2x + 2 ( 40/x) = 28 <=====solve for x
2x^2 -28x + 80 = 0
x^2 -14x +40 = 0
(x -10)(x-4) = 0 shows x = 10 or 4 then y = 4 or 10
dimensions 10 and 4 inches
Answer:
4 or 10 inches
Step-by-step explanation:
I added a photo of my solution
Hudson is a waiter at a restaurant. Each day he works, Hudson will make a guaranteed wage of $30, however the additional amount that Hudson earns from tips depends on the number of tables he waits on that day. From past experience, Hudson noticed that he will get about $13 in tips for each table he waits on. How much would Hudson expect to earn in a day on which he waits on 18 tables? How much would Hudson expect to make in a day when waiting on t tables?
The total amount of money earned by Hudson in a day on which he waits on 18 tables is $264.
The total amount of money earned by Hudson in a day on which he waits on t tables is $(30 + 13t).
How to determine Hudson's earnings in a day on which he waits on 18 tables?Based on the information provided above, we can logically deduce that a linear equation that models the total amount of money earned by Hudson at this restaurant is represented by the following function:
y = 30 + 13t
Where:
t represent the number of tables he waits on that day.y represent the total earnings.When the number of tables he waits on that day is equal to 18, Hudson's total earnings can be calculated as follows;
y = 30 + 13t
y = 30 + 13(18)
y = $264.
When the number of tables he waits on that day is t tables, Hudson's total earnings can be calculated as follows;
y = 30 + 13t = $(30 + 13t).
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Solve the equation x² = 4.
Do u know what is x ?
Answer:
x= 2
Step-by-step explanation:
² means times the number itself 2 times.
2×2=4
Warm up State the theorems and show the steps needed to find the measure of angle a b and c
The value of the missing angles of the quadrilateral are:
a = 110°
b = 70°
c = 20°
How to find the missing angle?Theorem sum of angles in a triangle states that they sum up to 180 degrees. Thus:
d = 180 - (78 + 32)
d = 70°
Similarly:
e = 180 - (78 + 32 + 18)
e = 20°
Sum of angles on a straight line is 180 degrees. Thus:
a = 180 - 70
a = 110°
We can see that e + b will be equal to 90 degrees because of the definition of right angles. Thus:
b = 90° - 20°
b = 70°
From sum of angles in a triangle as 180° is:
c = 180 - (90 + 70)
c = 20°
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consider rolling two dice. which of the following describe two events that are collectively exhaustive? multiple select question. event 1: a value of 6 or more. event 2: a value of 8 or less. event 1: a value of 9 or more. event 2: a value of 7 or less. event 1: a value of 7 or more. event 2: a value of 6 or less. event 1: rolling an even number. event 2: rolling an odd number.
Two events that are collectively exhaustive are event 1: a value of 6 or more and event 2: a value of 7 or less.
These events are collectively exhaustive because the events cover the entire possible range of values of the dice rolls. If one of these events does not occur, then the other event must occur. This means that the sum of the dice rolls is either 6 or less, or it is greater than 6. This means that the sum of the dice rolls is either 7 or more, or it is less than 7.
Another set of events that are collectively exhaustive are event 1: rolling an even number and event 2: rolling an odd number. These events are collectively exhaustive because the events cover the entire set of possible outcomes of rolling two dice. If one of these events does not occur, then the other event must occur. This means that the sum of the dice rolls is either even or odd. This means that the sum of the dice rolls is not both even and odd at the same time.
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