The variance of the number of occasions a 6 appears when a fair die is thrown 12 times is 0.156.
It determines the likelihood of achieving a specific number of successes over a specific number of trials with a consistent success rate using the binomial distribution.
With a 1/6 likelihood of success for each trial, the number of successes in this example is equal to the number of 6s that occur.
The probability of each conceivable value of the quantity of 6s that appear may be calculated using the binomial formula. The likelihood of receiving exactly 0 number of 6s is (12 choose 0) ×\((\frac{1}{6})^0\) × \((\frac{5}{6}) ^{12}\) = 0.1680. The probability of getting exactly 1 number of 6 is (12 choose 1) × \((\frac{1}{6})^1\) × \((\frac{5}{6})^{11}\) = 0.4401. The probability of getting exactly 2 numbers of 6s is (12 choose 2) × \((\frac{1}{6})^2\) × \((\frac{5}{6})^{10}\) = 0.3744. And so on.
The likelihood of receiving 0 6s, for instance, multiplied by the square of the 0's divergence from 2 is 0.1680 × (0 - 2)² = 0.7056. The likelihood of receiving 1 6 when multiplied by the square of the difference between 1 and 2 is 0.4401 × (1 - 2)² = 0.4401. And so on.
To get the anticipated value of the squared departure of the number of 6s that occur from 2, we may finally total up all of these probabilities.
This predicted value is equal to 1.8801 by adding 0.7056, 0.4401, 0.3744, 0.1596, 0.0368, and 0.0036.
The range in the number of 6s that appear after tossing a fair die 12 times is thus 1.8801.
To express the variation in decimal notation, divide the difference by the total number of rolls (12), then round the output to the closest three decimals.
As a consequence, we obtain a variance of 0.1567. The variance in the number of occasions a 6 appears when a fair dice is rolled 12 times is thus 0.1567.
Learn more about probability at
https://brainly.com/question/29098847?referrer=searchResults
#SPJ4
Order The Numbers from least to greatest
A.79.05
B.79.443
C.79
D.79.675
Answer:
1. 79
2. 79.05
3. 79.443
4. 79.675
I just crossed down
Answer:
C. 79
A. 79.05
B. 79.443
D. 79.675
Step-by-step explanation:
Hope this helps but you can give the other person brainliest since he answered first.
#KeepOnLearning❤️❤️❤️❤️
#StaySafe❤️❤️❤️❤️
Can someone help me
Answer:
I think it is the first one ( 2,0)
but if I am wrong I am sorry
Hello there!
The answer is number one or circle one. Because B is right on top of it. Meaning that it's just one whole number and in this case would be 2.
I hope this helps
Which equation represents the data in the table shown?
A) y = -2x
B) y = 2x + 3
C) y = -2x + 3
D) y = -2x - 3
Answer:
C
Step-by-step explanation:
In order to find the slope, you can use rise over run.
(y₂ - y₁) over (x₂ - x₁)
You can use the points (1, 1) and (2, -1). y₂ can be -1 and y₁ can be 1, but you could do either as long as you make x₁ and x₂ from the corresponding points (so y₁ and x₁ are one coordinate pair and y₂ and x₂ are the other). This way, you get -2 as your slope. Then, the table shows that y = 3 when x is 0, so that's your y-intercept, which is how you get +3. Hope this helps!
y = -2x + 3 will be the equation represents the data in the table shown.
What is Linear equation?A linear equation is an algebraic equation of the form y=mx+b, where m is the slope and b is the y-intercept, and only a constant and a first-order (linear) term are included. Sometimes, the aforementioned is referred to as a "linear equation of two variables," with y and x serving as the variables.
Given, A data Set of the value of x and y that represents a linear equation.
From the slope intercept form of a linear equation,
y = mx + b,
where m is the slope
b is the y-intercept
y- intercept is point in line where the value of x will be 0.
From our data set,
y - intercept = b = 3 (since, at x = 0, y is 3)
And Slope, (m) = (y₂ - y₁)/(x₂ - x₁)
in our case,
m = (1-3)/(1-0)(from first two values of data set)
m = -2
Thus,
Equation of line:
y = -2x + 3
Therefore, The equation of line for the given data set will be y = -2x + 3.
Learn more about Linear equation here:
https://brainly.com/question/11897796
#SPJ2
Determine the value of the annuity for the indicated monthly deposit amount, the number of deposits, and the interest rate. You will need to determine the value for r to solve this problem. When finding r round it to the nearest ten thousandths. Deposit amount: $50; total deposits: 60; interest rate: 5%, compounded monthly The value for r is Answer The value of the annuity is $Answer
Answer:
$3,408.49
Step-by-step explanation:
To determine the value of the annuity, we need to use the formula for the future value of an ordinary annuity:
A = P * ((1 + r)^n - 1) / r
Where:
A = Value of the annuity
P = Monthly deposit amount
r = Interest rate per period (monthly interest rate in this case)
n = Total number of deposits
First, let's convert the annual interest rate of 5% to a monthly interest rate. We divide the annual interest rate by 12 (number of months in a year) and convert it to a decimal:
Monthly interest rate = 5% / 12 = 0.05 / 12 = 0.0041667
Next, let's substitute the given values into the annuity formula:
P = $50
r = 0.0041667 (monthly interest rate)
n = 60
A = $50 * ((1 + 0.0041667)^60 - 1) / 0.0041667
Now we can calculate the value of the annuity using a calculator or spreadsheet:
A ≈ $50 * (1.0041667^60 - 1) / 0.0041667 ≈ $50 * (1.28370557 - 1) / 0.0041667 ≈ $50 * 0.28370557 / 0.0041667 ≈ $50 * 68.169768 ≈ $3,408.49
Help me asap.
Determine the perimeter of the right triangle shown.
right triangle with vertices at negative 4 comma 4, 4 comma 4, and 4 comma negative 2
10 units
24 units
36 units
64 units
The perimeter of the right triangle based on given points will be equal to 24 units. Hence, option B is correct.
What is the perimeter?A shape's perimeter is the whole distance encircling it. It is the perimeter or length of the contour of any geometric two-dimensional shape. The circumference of several figures could be compared based on the measurements.
As per the data available in the question,
The right triangle displayed contains three vertex locations: (-4, 4), (4, 4), and (-4, 4). (4, -2). The distance formula can be used to determine the length of a side between the initial two vertices:
distance = \(\sqrt{ ((x_2 - x_1)^2 + (y_2 - y_1)^2)}\)
= √((4 - (-4))² + (4 - 4)²)
=√(8² + 0)
= √(64)
= 8
Using the distance formula, one can figure out how long the side is between the first and second vertices:
distance =\(\sqrt{ ((x_2 - x_1)^2 + (y_2 - y_1)^2)}\)
= √((4 - 4)² + (-2 - 4)²)
= √(0 + (-6)²)
= √(36)
= 6
The Pythagorean theorem can be used to determine the right triangle's hypotenuse's length:
c² = a² + b²
c = √(a + b²)
= √(8² + 6²)
= √(64 + 36)
= √(100)
c = 10
To find the perimeter (P) add all the sides,
P = 8 + 6 + 10 = 24 units.
To know more about Perimeter:
https://brainly.com/question/6465134
#SPJ1
What are the solutions to the quadratic equation (5y + 6)2 = 24?
y = StartFraction negative 6 + 2 StartRoot 6 EndRoot Over 5 EndFraction and y = StartFraction negative 6 minus 2 StartRoot 6 EndRoot Over 5 EndFraction
y = StartFraction negative 6 + 2 StartRoot 6 EndRoot Over 5 EndFraction and y = StartFraction 6 minus 2 StartRoot 6 EndRoot Over 5 EndFraction
y = StartFraction negative 4 StartRoot 6 EndRoot Over 5 EndFraction and y = StartFraction negative 8 StartRoot 6 EndRoot Over 5 EndFraction
y = StartFraction 4 StartRoot 6 EndRoot Over 5 EndFraction and y = StartFraction 8 StartRoot 6 EndRoot Over 5 EndFraction
there are two solutions:
a) y = \(\frac{-6+2\sqrt{6} }{5}\)
b) \(y = \frac{-6-2\sqrt{6} }{5}\)
Answer:
it's A
Step-by-step explanation:
Trust me I got the question right on the quiz
What is the surface area of 4in 4 in 9in of a rectangular prism
Answer:
176 in²
Step-by-step explanation: You didn't specify which is the lenght, width, or height, but im 100% sure this is the answer. If it's wrong pls let me know. I hope it helps !!
an ice cream shop is designing a new cone the height h in centimeters and the radius r in centimeters
Cone volume is calculated using the method V=1/3hr2.
What is unitary method?Area is the entire amount of space occupied by a flat (2-D) surface or an object's shape.
On a sheet of paper, draw a square using a pencil. It has two dimensions. The area of a shape on paper is the area that it occupies.
Consider your square as being composed of smaller unit squares.
The number of unit squares necessary to completely cover the surface area of a specific 2-D shape is used to calculate the area of a figure. Some typical units for measuring area are square cms, square feet, square inches, square meters, etc.
Draw unit squares with 1-centimeter sides in order to calculate the area of the square figures shown below. The shape will therefore be measured.
Hence , Cone volume is calculated using the method V=1/3hr2.
learn more about unitary method click here:
brainly.com/question/24587372
#SPJ4
Complete question-
An ice cream shop is designing a new cone the height h in centimeters and the radius r in centimeters. How to calculate the volume of the cone.?
The histogram below shows information about the ages of the paintings in a gallery. 12 of the paintings in the gallery are over 90 years old. Work out an estimate for the number of the paintings that are over 70 years old.
The estimate for the number of the paintings that are over 70 years old is given as follows:
56.
How to obtain the estimate?The histogram shows the number of observations that appear in each range of the data-set.
12 of the paintings in the gallery are over 90 years old, hence the height of each small square is of:
12/(3 x 2) = 2 units.
Then the estimate of those over 70 years old is given as follows:
22 between 70 and 80.22 between 80 and 90.12 over 90.Hence the sum is given as follows:
22 + 22 + 12 = 56.
More can be learned about histograms at https://brainly.com/question/25983327
#SPJ1
if y1, y2,..., yn denote a random sample from an exponential distribution with mean β, show that f (y | β) is in the exponential family and that y is sufficient for β.
y is sufficient for β
The probability density function (pdf) of an exponential distribution with mean β is given by:
f(y | β) = (1/β)exp(-y/β), for y ≥ 0
To show that f(y | β) is in the exponential family, we need to write it in the form:
f(y | β) = h(y)exp{θT(y) - A(θ)}
where h(y), θ, and A(θ) are functions that depend only on y, θ, and do not depend on β.
First, we can rewrite the pdf as:
f(y | β) = (1/β)exp(-y/β)
= (1/β)exp{(-1/β)y}
= (1/β)exp{(-1/β)yx}
where x = 1.
Next, we can identify the functions h(y), θ, and A(θ):
h(y) = 1
θ = -1/β
A(θ) = -log(-θ)
= -log(1/β)
= log(β)
Substituting these values, we get:
f(y | β) = exp{(-1/β)y}exp{-log(β)}
= exp{(-1/β)y - log(β)}
Therefore, f(y | β) is in the exponential family.
To show that y is sufficient for β, we can use the factorization theorem.
The joint pdf of the sample y1, y2, ..., yn is:
f(y1, y2, ..., yn | β) = (1/β)^n exp{- (y1 + y2 + ... + yn)/β}
= (1/β)^n exp{-n(ybar)/β}
where ybar is the sample mean.
Using the factorization theorem, we can write:
f(y1, y2, ..., yn | β) = h(y)g(T(y), β)
where T(y) = ∑ yi and h(y) does not depend on β.
Therefore, y is sufficient for β.
To know more about probability density function refer here
https://brainly.com/question/31039386#
#SPJ11
in a fruit basket, there are 9 bananas, 4 apples, and 3 plums. what is the ratio of bananas apples?
Answer:
9 : 4
Step-by-step explanation:
9 bananas, 4 apples and 3 plums
bananas : apples
9 : 4
solve the simultaneous equations
2p- 3q= 4
3p + 2q= 9
Answer:
q = 6/13, p = 35/13
Step-by-step explanation:
3p + 2q = 9
2p - 3q = 4
_________ (subtract the two equation from each other.)
p + 5q = 5
p = 5 - 5q
2(5 - 5q) - 3q = 4 (substitute value of p into equation)
10 - 10q - 3q = 4
10 - 13q = 4
-13q = -6
q = 6/13
3p + 2(6/13) = 9 (substitute value of q into equation)
3p + 12/13 = 9
3p = 105/13
p = 35/13
If 3% of a number equals 2, find 9% of that number.
Answer:
6
Step-by-step explanation:
2/.03 = 66.66...7 times .09 = 6
The number is 66.67. And the 9% of the number 66.67 will be 6.
What is the percentage?The amount of any product is given as though it was a proportion of a hundred. The ratio can be expressed as a quarter of 100. The phrase % translates to one hundred percent. It is symbolized by the character '%'.
The percentage is given as,
Percentage (P) = [Final value - Initial value] / Initial value x 100
Let the number be 'x'. Then the equation is given as,
3% of x = 2
0.03 x = 2
x = 2 / 0.03
x = 66.67
Then the 9% of that number is calculated as,
⇒ 9% of 66.67
⇒ 0.09 x 66.67
⇒ 6
The number is 66.67. And the 9% of the number 66.67 will be 6.
More about the percentage link is given below.
https://brainly.com/question/8011401
#SPJ2
If the 30/8 give me 3 6/8 explain to me how did I get 3 6/8 please
Answer:
See explanation.
Step-by-step explanation:
The question is not very clear, but I am assuming that you are asking how to get from 30/8 to 3 6/8
This is a mere simplification problem. We have simplified 30/8 into 3 6/8.
To start, let's check out the multiples of 8 that are less than 30
8, 16, 24. We want the largest multiple, 24. here we have
\(\frac{24}{8} + \frac{6}{8}\)
Simplify 24/8 into 3.
Now you're done!
3 6/8!
a
What is the image of the point (-9, -6) after a rotation of 90° tounterclockwise
about the origin?
Answer:
Pumpkins are used as decorations during the fall months.
Pumpkins are used as decorations during the fall months.
Pumpkins are used as decorations during the fall months.
Pumpkins are used as decorations during the fall months.
Pumpkins are used as decorations during the fall months.
Pumpkins are used as decorations during the fall months.
Pumpkins are used as decorations during the fall months.
Pumpkins are used as decorations during the fall months.
Pumpkins are used as decorations during the fall months.
Pumpkins are used as decorations during the fall months.
Pumpkins are used as decorations during the fall months.
Pumpkins are used as decorations during the fall months.
Pumpkins are used as decorations during the fall months.
Pumpkins are used as decorations during the fall months.
Pumpkins are used as decorations during the fall months.
a baseball player's batting average is found by dividing the number of hits by the number of times at bat. this number is then rounded to the nearest thousandth. find the player's batting average. cole becker was at bat 9 times with 3 hits.
The player's batting average is 0.333.
The baseball player's batting average is found by dividing the number of hits by the number of times at bat. This number is then rounded to the nearest thousandth.
The question states that Cole Becker was at bat nine times with three hits.
To determine the player's batting average, divide the number of hits by the number of times at bat. A calculator can be used to compute this, and the result can be rounded to the nearest thousandth.
Batting Average = Number of hits/Number of times at bat
Batting Average = 3/9
Batting Average = 0.33333333...
Rounded to the nearest thousandth, the player's batting average is 0.333.
Learn more about average visit:
brainly.com/question/24057012
#SPJ11
with respect to parenting style, coercive is to confrontative as _____ is to _____.
With respect to parenting style, coercive is to confrontative as authoritative is to assertive.
Both pairs involve a parent asserting their authority and expectations, but the former is done through negative reinforcement and the latter is done through positive reinforcement. Coercive parenting is characterized by the use of punishment and criticism to control behavior, while confrontative parenting involves verbal aggression and conflict to establish dominance.
These styles are often associated with negative outcomes such as increased aggression, lower self-esteem, and decreased academic achievement. On the other hand, authoritative parenting is based on clear rules and boundaries that are communicated in a supportive and nurturing environment. This style is associated with positive outcomes such as higher academic achievement, increased self-esteem, and improved social skills.
Similarly, assertive parenting involves clear communication of expectations and limits, but in a positive and respectful manner. Overall, while both coercive and confrontative parenting involves the assertion of authority, authoritative and assertive parenting involves setting limits and expectations in a positive and supportive manner, which leads to better outcomes for children.
know more about authoritative here:
https://brainly.com/question/13572643
#SPJ11
suppose that $1,000 is deposited into an account that yields 0.85% interest, compounded annually? how much money will be in that account at the end of 4 years?
The money in the account at the end of the 4 years is $1034
What is compound interest?
Compound interest, also known as interest on principal and interest, is the practice of adding interest to the principal amount of a loan or deposit.
Now we are given that the initial amount deposited in the account is $1000
This account is giving 0.85% And we have to figure out how much amount will be there
We use compound interest formula to find the amount
\(A= P(1+r/n)^{nt}\\\\A= 1000(1+0.0085)^{4}\\A = 1000(1.034)\\A= 1034\)
Hence the amount will be after 4 years is $1034.
To learn more about compound interest please refer the following link
https://brainly.com/question/29003086
#SPJ4
9.
8
7
6.
.
54
4.
3.
19
6 154
13
4
5
6
7
8
19
-S
-6.
7
--
91
In the power series c
−
O+c
−
1(z−a)+c
−
2(z−a)
∧
2+c
3
3(z−a)
∧
3… which is the second order term? (z−a)
∧
2 z
∧
2 c. 2(z−a)
∧
2 c_2 1 point Which series expansion approximates a function f(x) around x=0 ? Taylor series Maclaurin series power series 31 point Where does the 1/n ! term come from in the expression for a power series? it comes from the definition of the derivative it's there to make a geometric series in the special case where all coefficients have the same value it's there in order to make sure series converges it comes from taking successive derivatives of the polynomial terms in x
The second-order term in the power series is (z - a)^2, the series expansion around x = 0 is called the Maclaurin series, and the 1/n! term in the power series expression arises from the definition of the derivative and ensures convergence of the series. The series expansion that approximates a function f(x) around x = 0 is called the Maclaurin series. It is a special case of the Taylor series where the expansion point is chosen as x = 0.
The term 1/n! in the expression for a power series comes from the definition of the derivative. The coefficients in the power series are determined by taking successive derivatives of the polynomial terms in x. The 1/n! term appears because each term in the series is divided by the factorial of the corresponding derivative order, ensuring that the terms converge as the power increases.
Learn more about polynomial here:
https://brainly.com/question/11536910
#SPJ11
how much can 23 go into 162?
Answer:
7 times
Step-by-step explanation:
You will divide 162 by 23 to find out how many times 23 goes into 162.
162 / 23 = 7.0
whats 8r-2(7r+9) in simplest form
Mark owns persanal traning busness he makes a total of 500$ for every clients he acqurires.
Mark earns $500 for each client he acquires in his personal training business.
In Mark's personal training business, he generates income by acquiring clients. For every client he successfully acquires, he earns $500. This indicates that the total amount of money Mark makes is directly proportional to the number of clients he is able to bring in.
Therefore, the more clients Mark acquires, the higher his earnings will be. It is crucial for Mark to focus on attracting and retaining clients in order to maximize his income in the personal training industry. By providing quality services and building strong relationships with his clients, Mark can increase his revenue and achieve success in his business.
To learn more about earns Click Here: brainly.com/question/21219294
#SPJ11
Does anyone know how to solve this?
9514 1404 393
Answer:
Step-by-step explanation:
The tangent of the angle can be found using the identity for the tangent of the difference of angles.
tan(α-β) = (tan(α) -tan(β))/(1 +tan(α)tan(β))
The tangent of the angle of each vector is the ratio of the j coefficient to the i coefficient.
tan(α) = -2/3
tan(β) = 4/7
tan(α-β) = (-2/3 -4/7)/(1 +(-2/3)(4/7))
= (-14-12)/(21 -8) = -26/13 = -2
Then the magnitude of the angle between the vectors is ...
arctan(2) ≈ 63.43°
What is the volume of this rectangular prism?
3/2cm
1/2
4 cm
Answer:
7.62
Step-by-step explanation:
length* width* height = 3/2*1/2*4=7.62 cm
a. (5) The demand function for a good X is Qx= m-3Px+2Py, where m is income, Px is the price of X, Py is the price of a related good Y and Qx is the demand for X. Income and prices are all positive. X
The demand function for good X is Qx = m - 3Px + 2Py, where Qx is the quantity demanded of X, m is income, Px is the price of X, and Py is the price of a related good Y. The equation shows that the demand for X is inversely related to its price and directly related to the price of Y. Income, price of X, and price of Y collectively affect the overall demand for X.
The demand function for good X is given by Qx = m - 3Px + 2Py, where Qx represents the quantity demanded of good X, m is the income, Px is the price of good X, and Py is the price of a related good Y. In this equation, the income and prices are assumed to be positive.
To determine the demand for good X, we can analyze the equation. The coefficient -3 in front of Px indicates that the demand for good X is inversely related to its price. As the price of X increases, the quantity demanded of X decreases, assuming other factors remain constant. On the other hand, the coefficient 2 in front of Py indicates that the demand for good X is directly related to the price of the related good Y. If the price of Y increases, the quantity demanded of X also increases, assuming other factors remain constant.
Furthermore, the term (m - 3Px + 2Py) represents the overall effect of income, price of X, and price of Y on the quantity demanded of X. If income (m) increases, the quantity demanded of X increases. If the price of X (Px) increases, the quantity demanded of X decreases. If the price of Y (Py) increases, the quantity demanded of X increases.
To know more about the factors affecting the demand for good X, refer here:
https://brainly.com/question/32566433#
#SPJ11
a ______ is a descriptiion of the approach that is used to obtain samples from a population prior to an data collection activity.
A.
population frame
B.
sampling weight
C.
sampling plan
D.
probability interval
The correct answer is option C. A sampling plan refers to a detailed strategy for obtaining a sample from a population for the purpose of data collection.
It describes the precise procedures needed to choose the sample, determine the members of the sample, and gather the data.
The sampling strategy should take into account the type of sampling design, sample size, sampling process, and the methods to be employed for data collecting.
The strategy for implementing sampling should be outlined in the plan, along with instructions on how to make sure the sample is representative of the population, how to prevent bias in the sampling process, and how to make sure the data gathered is of high quality.
A good sampling plan should provide a clear and consistent method for gathering data and be founded on basic statistical concepts.
To learn more about sampling plan visit:
https://brainly.com/question/18026723
#SPJ4
Luisa sells stuffed animals. She sells a stuffed elephant for $34.90, and the sales tax is 9% of the sale price. About how much is the sales tax on the elephant?
$3.15
$4.90
$0.32
$4.95
Answer:
OH DADDY FASTER
Step-by-step explanation:
OY PAPI MAS RAPIDO
The diagram shows an open rectangular box ABCDEFGH.
A straight stick AGM rests against A and G and extends outside the box to M.
a. Calculate the angle between the stick and the base of the box.
b. AM= 30 cm.
Show that GM= 4.8 cm, correct
to 1 decimal place.
The angle between the stick and the base of the box is 77. 9 degrees
How to determine the angleTo determine the angle between the stick and the base, we have to know the trigonometric identities.
These identities are;
sinecosinecotangenttangentsecantcosecantFrom the information given, we have;
sin A = FB/AB
Given that;
GB = 14.5cm
AB = 18. 6cm
substitute for the length of the sides, we have;
sin A = 14.5/18. 6
Divide the values, we have;
sin A = 0. 7796
Find the inverse sine
A = 77. 9 degrees
Learn more about trigonometric identities at: https://brainly.com/question/7331447
#SPJ1
Several properties are used to evaluate this expression. identify the property used in each step. 21 + (19 + 36): (21 + 19) + 36:
21 + (36 + 0 + 19) Equals 76.
What is the property of addition?A final result is obtained by adding two or more integers together. Commutative, associative, distributive, and additive identity are the four major characteristics of b. b means that even if the order changes, the addition result will remain the same.
Equation to be used: 21 + (36 + 0 + 19)
The identity property of addition states that a + 0 = a.21 + (36 + 0 + 19) = 21 + (36 + 19)Using the commutative property of addition, a + b equals a + b.21 + (36 + 19) Equals 21 + (19 + 36)By using the associative property of addition, the formula is: a + (b + c) = a + b + c.21 + (19 + 36) Equals (21 + 19) + 36Put two more numbers within the bracket now.(21 + 19) + 36 = 40 + 36A + B Equals C, any number, using the closure property of addition.40 + 36 = 76Hence 21 + (36 + 0 + 19) Equals 76.To know more about property of addition visit:
https://brainly.com/question/14521704
#SPJ4
I understand that the you are looking for is :
Several properties are used to evaluate this expression. Identify the property used in each step.
21 + (36 + 0 + 19)
21 + (36 + 19):
21 + (19 + 36):
(21 + 19) + 36:
40 + 36
76