CAN SOMEONE HELP WITH THIS?✨

The program for assigning variable and solving expression 2 * x * y - z is -

def func1(x, y, z):

  return 2*x*y - z

x= int(input("Enter x"))

y= int(input("Enter y"))

z= int(input("Enterz"))

solveEquation=func1(x, y, z)

print (solveEquation)

What is Expression in Code?

Expressions in computer science are written by developers, interpreted by computers, and 'evaluated.' The evaluation yields a result or return. Expressions in code include simple mathematical equations like 2 + 2. They are commonly referred to as arithmetic expressions.

The program for the condition given is -

def func1(x, y, z):

  return 2*x*y - z

x= int(input("Enter x"))

y= int(input("Enter y"))

z= int(input("Enterz"))

solveEquation=func1(x, y, z)

print (solveEquation)

Therefore, the coding has been done.

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The coin flip is random variable.

What is probability?

Simply put, probability measures how probable something is to occur. We can discuss the probabilities of various outcomes, or how likely they are, whenever we are unsure of how an event will turn out. Statistics is the study of events subject to probability.

The likelihood that a population parameter will be less than a given value when the null hypothesis is true is expressed as the p-value, also known as a probability value or a measure of significance, for a particular statistical model.

A variable at random The value of the variable X is subject to chance. Imagine that you flip a coin. If the coin lands on its head, you win one dollar; otherwise, you lose one. You can never predict how much money you'll make from one coin toss.

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The coin flip is random variable.

What is probability?

Simply put, probability measures how probable something is to occur. We can discuss the probabilities of various outcomes, or how likely they are, whenever we are unsure of how an event will turn out. Statistics is the study of events subject to probability.

The likelihood that a population parameter will be less than a given value when the null hypothesis is true is expressed as the p-value, also known as a probability value or a measure of significance, for a particular statistical model.

A variable at random The value of the variable X is subject to chance. Imagine that you flip a coin. If the coin lands on its head, you win one dollar; otherwise, you lose one. You can never predict how much money you'll make from one coin toss.

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On solving the provided question, we can say that the equations are 3x+4y=6 and 8x-4y=5 => x = 1 and y = 3/4

A mathematical equation is a formula that joins two statements and uses the equal symbol (=) to indicate equality. A mathematical statement that establishes the equality of two mathematical expressions is known as an equation in algebra. For instance, in the equation 3x + 5 = 14, the equal sign places the variables 3x + 5 and 14 apart. The relationship between the two sentences on either side of a letter is described by a mathematical formula. Often, there is only one variable, which also serves as the symbol. for instance, 2x – 4 = 2.

the equations are

3x+4y=6

8x-4y=5

adding both equation

11x = 11

x = 1

y = 3/4

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Answer:

40 hours

Step-by-step explanation:

This is an example of a work-rate-time problem

Since the experienced roofer can finish the job in 24 hours, his rate of work would be 1/24 (of the roof) per hour

Let the time taken by the trainee alone be x hours

His rate of work = [tex]\dfrac{1}{x}[/tex]

Together they finish the roof in 15 hours
So combined work rate = [tex]\dfrac{1}{15}[/tex]

Since combined rate = sum of individual rates we get

[tex]\dfrac{1}{24} +\dfrac{1}{x} = \dfrac{1}{15}[/tex]

Move 1/24 to the right side:
[tex]\dfrac{1}{x} = \dfrac{1}{15} - \dfrac{1}{24}[/tex]

[tex]\dfrac{1}{x} =\dfrac{24 - 15}{24\cdot 15} = \dfrac{9}{360}\\\\[/tex]

Taking reciprocals on both sides

[tex]x = \dfrac{360}{9} = 40 \;hours[/tex]

The solution is, Total estimated living expenses = $53,900.

In mathematics, multiplication is a method of finding the product of two or more numbers. It is one of the basic arithmetic operations, that we use in everyday life.

here, we have,

Estimated expenses for next 2 years:

Rent = 1100 * 12 * 2 = 26,400

Gym membership = 450 * 2 = 900

Gym monthly fee = 40 * 12 * 2 = 960

Renter's insurance = 60 * (12 * 2 / 6) = 240

Groceries = 300 * 12 * 2 = 7200

Eating out & entertainment = 175 * 52 * 2 = 18,200

Total estimated living expenses = $53,900

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We can see that matching each formula on the left side to an equivalent formula on the right side, we have:

A = BC + D ------ B = A - D/C

A = B + CD ------ B = A - CD

A = BD - C ------- B = A + C/D

A = CD - B ------- B = CD - A

A formula is a mathematical expression that represents a set of instructions for solving a specific problem or calculating a desired value. It often uses symbols and variables to represent values, and can include operations such as addition, subtraction, multiplication, and division.

Formulas can be used in a variety of fields, including physics, chemistry, finance, and engineering.

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Answer:

y = x + 1

Step-by-step explanation:

Since we have two points, we can find the equation of the line in slope-intercept form or y = mx + b, where m is the slope and b is the y-intercept.

We can find the slope using the slope formula, which is:

[tex]\frac{y_{2}-y_{1} }{x_{2}-x_{1} }[/tex], where y2 and x2 are one point on the line and y1 and x1 are the other point on the line:

Thus, we have:

[tex]m=\frac{7-26}{6-25}\\ m=\frac{-19}{-19}\\ m=1[/tex]

Now that we have the slope, we choose one of the points and plug in the slope to find the y-intercept:

[tex]26=1(25)+b\\26=25+b\\1=b[/tex]

the food needed for 10 cats will be 80 pounds.

What is the arithmetic operation?

The four fundamental operations of arithmetic are addition, subtraction, multiplication, and division of two or more quantities. Included in them is the study of numbers, especially the order of operations, which is important for all other areas of mathematics, including algebra, data management, and geometry. The rules of arithmetic operations are required in order to answer the problem. Arithmetic is an elementary part of mathematics that consists of the study of the properties of the traditional operations on numbers

An animal shelter needs to buy 8 pounds of cat food for every cat

they have.

So per pound, it food needed for 10 cats will be 8*10 = 80 pounds.

Hence the food needed for 10 cats will be 80 pounds.

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The correct answer is: The study is an experiment that uses random assignment to assign volunteers to experimental conditions (treatments).

A sample is an analytic subset of a larger population in statistics. The utilization of samples enables researchers to conduct investigations with more manageable data and more quickly. Randomly chosen samples exhibit little bias if they are large enough, but obtaining such a sample can be costly and time-consuming.

Here,

A study that uses random assignment to assign volunteers to experimental conditions (treatments) is considered the best design to establish cause-and-effect relationships. In this type of study, researchers can control the variables and minimize extraneous factors that could confound the results. By using random assignment, the volunteers in the experimental and control groups are similar on average, making it more likely that any observed differences between the groups are due to the treatments.

The correct answer is: The research is an experiment in which volunteers are randomly assigned to experimental settings (treatments).

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The functions and equations y = f(x) = 7·x³, x = 5, Δx = 0.06, indicates that we get;

a) Δy = 31.879512

b) dy = 21·x²dx

c) dy = 31.5

A function is a rule that maps input variables to output variables in a relationship in which an input is assigned to exactly one output.

a) The value of the function y = f(x) = 7·x³

The value of x = 5

Value of the change in x, Δx = 0.06

The change in y, Δy is therefore;

Δy = f(x + Δx) - f(x), from which we get;

Δy = f(5 + 0.06) - f(5) = f(5.06) - f(5)

Δy = f(5.06) - f(5)

Plugging in the values of x = 5.06, and x = 5 in the function f(x), we get;

f(5.06) = 7 × (5.06)³ = 906.879512

f(5) = 7 × 5³ = 875

Therefore; Δy = f(5.06) - f(5) = 906.879512 - 875 = 31.879512

Δy = 31.879512

b) dy = f'(x)dx

f'(x) is the derivative of the function f(x)

dy/dx = f'(x)  = 3 × 7 × x² = 21·x²

dy/dx = f'(x) = 21·x²

dy = f'(x)dx = 21·x²dx

dy = 21·x²dx

c) dy for the given x and Δx values can be found by plugging in x = 5 and dx = Δx = 0.06 in the equation, dy = 21·x²dx, as follows;

dy = 21 × 5²× 0.06 = 31.5

dy = 31.5

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The size input which ABC's computer can execute in one minute for each algorithm for the following growth rates are given below:

For a growth rate of "n", it means the execution time increases linearly with the size of the input. In this case, XYZ's computer takes 1 minute to execute an input size of "n".

Company ABC claims that their computer is 100 times faster, so they can execute an input size of 100n in one minute.

For a growth rate of "2^n", it means the execution time increases exponentially with the size of the input.

In this case, if we double the input size, the execution time increases two times. So, if XYZ's computer takes 1 minute to execute an input size of "n", it would take 2 minutes to execute an input size of "2n".

Company ABC claims that their computer is 100 times faster, so to execute an input size of "2n" in 1 minute, the input size must be log2(100n).

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The required area of the washer is  8πr - 16π square millimeter.

A =  π r², where r is the circle's radius, is the formula for calculating a circle's surface area. The square unit, such as m², cm², in², etc., is the unit of area.

Circle Area Formulas;

Area is equal to  π r², where r stands for radius.

Area is equal to ( π /4) d², where d stands for diameter.

Area is equal to C²/4 π  where C stands for circumference.

The area of a washer with outer radius "r" and inner radius "r-4" can be found as follows:

Area = π * (outer radius² - inner radius²)

= π * (r² - (r-4)²)

= π * (r² - r² + 8r - 16)

= 8πr - 16π square millimeter.

Thus, required area  of washer is 8πr - 16π,Option(B) is correct.

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A unit can be used for measurement, and is commonly found in mathematics to describe length, size, etc.

First, because we are dealing with different units here, we need to know how many milliliters are in a litre.

So, an equation we can use is:

If we look at 1.2 litres, we can now convert it to milliliters.

Comparing 1200ml to 140ml, we can see that 1200ml is bigger.

Therefore, 1.2 litres are greater.

Answer: The height of the stone after time "t" is given by the function h(t) = 100t - 5t^2, where t is in seconds. To find the maximum height, we need to find the value of t for which the height is greatest.

To do this, we can take the derivative of h(t) with respect to t, which gives us the rate of change of height with respect to time. Then, we can set this derivative equal to 0 and solve for t. The value of t that satisfies this condition will be the time at which the height is at its maximum.

h'(t) = 100 - 10t

Setting h'(t) = 0, we get:

100 - 10t = 0

10t = 100

t = 10

So, the maximum height is h(10) = 100 * 10 - 5 * 10^2 = 100 - 500 = -400 meters.

Since the height cannot be negative, the maximum height the stone can reach is 100 meters.

Step-by-step explanation:

Therefore , the solution of the given problem of percentage comes out to be  19.9%  is the percent change.

In mathematics, a percentage is any value that can be written as a proportion of 100. There are also sporadic uses of the abbreviations "pct.," "pct," or "pc." However, it is commonly indicated by the "%" mark. The proportional amount is flat and lacks any dimensions. Since percentages have a numerator of 100, they can be thought of as fractions. The cent symbol (%) must come after a number to denote that it is a percentage.

Here,

Given:

You can compute 1.99 as a percent of a given number x by dividing 1.99 by x and multiplying the outcome by 100.

For instance,

if 1.99 is expressed as a percentage of 10,

then

=> 1.99 x 100% = 19.9%

Therefore , the solution of the given problem of percentage comes out to be  19.9%  is the percent change.

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The function as the same as y = 3 cosine (2 (x + Start Fraction pi Over 2 End Fraction)) minus is y = -3 sin(2(x + π/4)) - 2 Option B

Sine and cosine have the following relationship:

cos(θ) = sin (π/2 - θ)

y = 3 cos(2 (x + π/2)) - 2

y = 3 cos(2x + π) - 2

Let θ = 2x + π,

therefore using Sine and cosine have the following relationship:

cos(2x + π) = sin (π/2- (2x + π))

= sin (π/2 - 2x - π)

= sin (-2x - π/2)

= sin (-2(x + π/4))

but sin(-θ) = -sin (θ)

Therefore:

sin (-2(x + π/4)) = -sin (2(x + π/4))

= - sin (2(x + π/4)) = cos(2x + π)

y = 3 cos(2x + π) - 2 = 3[ - sin (2(x + π/4))] -2

y = -3 sin (2(x + π/4)) -2

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The value of x that makes MBUL a kite is given as follows:

x = 6.

For MBUL to represent a kite, the following lengths have to be congruent:

BA and AL.

The lengths for this problem are defined as follows:

As the sides are congruent, the equation is given as follows:

BA = LA.

Hence the value of x that makes MBUL a kite is obtained as follows:

3x - 1 = 17

3x = 18

x = 18/3

x = 6.

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In a case whereby It was recently estimated that domestic vehicles out number foreign vehicles by about seven to five. If there are 4152 vehicles in a county, the number of them that are domestic is 2422  domestic vehicles.

The concept that will be used here is simplification.

From the question, we were told that there are 7x domestic vehicles  as well as 5x foreign vehicle.

We can see that the x is the unknown number, which we need to find out,  

Then  we can make an equation as:

7x + 5x =  4152

12x= 4152

x=4152/12

=346

Hence we can say that there are  7*346 = 2422  domestic vehicles

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Check the picture below.

The length of the third side could be 5.26 inches.

The Pythagoras theorem states that the square of the longest side must be equal to the sum of the square of the other two sides in a right-angle triangle.

[tex]|AC|^2 = |AB|^2 + |BC|^2[/tex]

There are 2 possible triangles that can arranged one being the 8 the longest side, and another one being the 5 and 8 the sides of the triangle

Given that triangle has two side lengths of 3.5 inches and 7.75 inches.

Using the pythagorean theorem to solve.

3.5² + 7.75² = x²

x² = 12.25 + 15.5

x² = 27.75

x = 5.26

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There must be two that meet on the same day, assuming that no classes are held on weekends.

Sets are groups of clearly defined objects or elements in mathematics. A set is denoted by a capital letter, and the cardinal number of a set is enclosed in a curly bracket to indicate how many members there are in a finite set.

Let us show that in any set of six classes, each meeting regularly once a week on a particular day of the week, there must be two that meet on the same day, assuming that no classes are held on weekends.

Since there are 5 working days by a week and 6 classes, by Pigeonhole Principle there must be two that meet on the same day.

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The sample standard deviation of the given data will be 10.058.

It is the measure of the dispersion of statistical data. Dispersion is the extent to which the value is in a variation.

[tex]\rm \sigma = \sqrt{\dfrac{\Sigma (x_i - \mu)^2}{n}}[/tex]

The table is given below.

M                  f                  Mf                         M²f

15                 8                 120                       1,800

25                18                450                      11,250

35                20               700                     22,050

45                13                585                     26,325

55                 7                 385                      21,175

The variance is given as,

Var = 1 / (66 - 1) [82600 - 2240² / 66]

Var = 101.16

Then the standard deviation is given as,

SD = √ Var

SD = √101.16

SD = 10.058

The sample standard deviation of the given data will be 10.058.

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The region for A' ∪ B ∩ C' is region III.

A Venn diagram is a visual representation that makes use of circles to highlight the connections between different objects or limited groups of objects. Circles that overlap share certain characteristics, whereas circles that do not overlap do not. Venn diagrams are useful for showing how two concepts are related and different visually.

Given:

So from the Venn diagram, the item represents the regions four, five, six and seven.

We have to find not A union B intersection not C.

A' is the complement of set A.

So, the region is for not A union B is represented by B.

and, then B ∩ C' gives the region B.

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The sample space of the tossed coin: head or Tail =[ HT ]

The sample space of the die : [1, 2, 3, 4, 5,6 ]

The sample space of the ball {0 , 1, 2, 3, 4, 5, 6, 7, 8, 9]

experiment 1: In a large number of repetitions of the experiment, the relative frequency of each outcome (Heads or Tails) would be approximately 0.5 or 50%.

Experiment 2: In a large number of repetitions of the experiment, the relative frequency of each outcome (1 to 6) would be approximately 0.1667 or 16.67%.

Experiment 3: In a large number of repetitions of the experiment, the relative frequency of each outcome (0 to 9) would be approximately 0.1 or 10%.

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The translation in the form (x,y) is  (-3, -10)

In geometry, translation is a type of transformation that moves each point of a figure to a new location, while preserving the shape and size of the figure. A translation is defined by a displacement vector, which specifies the direction and magnitude of the movement.

T is the initial position of the object and T' is the image (new position) of the object after translation. We can use this equation:

T + translation = T'

translation = T' - T

translation = (6, -2) - (9, 8)

translation = (6-9, -2-8)

translation = (-3, -10)

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Answer:

see explanation

Step-by-step explanation:

(a)

let ∠ QRS = x then ∠ PQR = x and

∠ QPS = [tex]\frac{6}{7}[/tex] x and ∠ PSR = [tex]\frac{4}{7}[/tex] x

the sum of the 4 angles in a quadrilateral = 360°

sum the 4 angles and equate to 360

x + x + [tex]\frac{6}{7}[/tex] x + [tex]\frac{4}{7}[/tex] x = 360 ( multiply through by 7 to clear the fractions )

7x + 7x + 6x + 4x = 2520

24x = 2520 ( divide both sides by 24 )

x = 105

then

∠ QRS = 105° , so

∠ PSR = [tex]\frac{4}{7}[/tex] × 105° = 4 × 15° = 60°

(b)

∠ QPS = [tex]\frac{6}{7}[/tex] × 105° = 6 × 15° = 90° ← a right angle

Answer:

Step-by-step explanation:

da fact that it sometimes get me wrong but it do works ngl

Answers in bold

[tex]\begin{array}{|c|c|} \cline{1-2}\text{Term} & \text{Coefficient}\\\cline{1-2}\text{x}^2 & \boldsymbol{1}\\\cline{1-2}\boldsymbol{-3\textbf{x}} & -3\\\cline{1-2}2 & \boldsymbol{2}\\\cline{1-2}\end{array}[/tex]

Explanation:

The given expression [tex]\text{x}^2-3\text{x}+2[/tex] is the same as [tex]\text{x}^2+(-3\text{x})+2[/tex]

This leads to the three terms as shown in the table above. Each term is separated by a plus sign.

The coefficient is the number to the left of the variable. Think of [tex]\text{x}^2[/tex] as [tex]1\text{x}^2[/tex] and think of [tex]2[/tex] as [tex]2\text{x}^0[/tex]

In other words, [tex]\text{x}^2-3\text{x}+2[/tex] is the same as [tex]1\text{x}^2+(-3\text{x})+2\text{x}^0[/tex]

Answer:

x=1/3;3/2

Step-by-step explanation:

6x^2-5x+6 = 6x+3

-6                    -6

6x^2 -5x = 6x - 3

+5x            +5x

6x^2 = 11x -3

6x^2 + 11x - 3 = 0

(3x-1)(2x-3)=0

3x-1=0

3x=1

x=1/3

2x-3=0

2x=3

x=3/2