Do rigid transformations make congruent figures?

While measuring mass of precious substances, such as gold, silver, etc., we need to be accurate in our measurement. in competitions and events, a difference of second can make you lose or win the game. Thus, accurate time measurement in such cases is very important.

Precision measures the reproducibility of measurements, even when they are far from the acceptable value, whereas accuracy measures how near a measurement is to a known or accepted value. Repeatable measurements that are reliable and precise are extremely near to the real values.

How closely a measured value resembles the real (or "true") value is referred to as accuracy. For instance, an accurate reading for the weight would be as near to 100g as feasible if you weighed a typical 100g weight on a scale.

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that is the solution to the questions well. thank you, you can contact me for any further enquiry

Answer:

y=9

Step-by-step explanation:

[tex]2y-4=14\\(2y-4)+4=(14)+4\\2y=18\\\frac{2y}{2}=\frac{18}{2}\\y=9[/tex]

Answer:

y=9

Step-by-step explanation:

add the 4 on both sides: 2y-4+4=14+4

2y=18

divide by 2: 18/2= 9

The three primary kinds of parameters are Input parameters, Output parameters, and Input/Output parameters.

One of the bits of data supplied as input to a function is referred to by a parameter, a special sort of variable. These bits of information represent the values of the arguments that will be used to call or invoke the function. Functions may have one or more parameters or none at all.

A function is typically defined with an ordered list of parameters so that each time it is called, the arguments are evaluated for that call and the results can be assigned to the associated parameters.

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The value of u​ = 56.78 degree

Any triangle's three angles sum up to 180 degrees when added together. Therefore, the sum of angles A, B, and C is 180 degrees. Any triangle in the field of geometry has this property. This concept can be used to determine the measure of an angle or angles in which the degree measure is absent or not provided.

A, B, and C is 180 degrees

in a triangle <u- 40 degree <u+50 degree so <u is

<u- 40 degree

<u+50 degree

so

<u =

(u - 40 ) + (u+50 ) + u = 180

3u - (170.3) =180

u = 170.3/3 = 56.78.

The value of u​ = 56.78 degree

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When using supervised learning, the fit() technique requires two arrays of training data, but unsupervised learning only requires one array.

After the model is initialised, the "fit" method runs the algorithm on the training data. That is all it does, in essence. Thus, the machine learning model is trained using the training data by the sklearn fit approach. In the manufacturing industry, the term "form-fit-function" (FFF) refers to a part's distinguishing features (a single component that goes into the final build of your product, typically kept on an item master).

model.fit(): fit practise data This accepts the data X and the labels y as two arguments for supervised learning applications (e.g., model. fit(X, y)). Function at Cost. The cost function for linear regression is the Sum of Squares of Errors with the lowest value. Calculate the squared error sum for each and every available line.

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The Slope of the Line passing through (4, 7) and (2, 10) is -3/2

What is Slope?

The slope formula is used to compute the inclination or steepness of a line. The slope of the lines is calculated using the x and y coordinates of the lines. It is the ratio of the y-axis change to the x-axis change.

Solution:

A(4, 7) and B(2, 10)

Slope = y2 - y1 / x2 - x1

Slope = 10 - 7 / 2 - 4

Slope = 3 / -2

Slope = -3/2

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The population grows exponentially as the population size increases because the growth rate per capita (per person) growth rate remains constant. The availability of resources will eventually stop populations in nature from growing exponentially.

An exponential function is defined by the equation f(x) = ax, in which the exponent of the input variable x is used. The exponential curve affects both the value of x and the exponential function. The exponential function, with the form, is a crucial mathematical function. f(x) = ax.

Population growth or decline that is ongoing and whose pace of change is inversely correlated with the total number of people in the population at any given time.

The population grows exponentially as the population size increases because the growth rate per capita (per person) growth rate remains constant. The availability of resources will eventually stop populations in nature from growing exponentially.

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Answer:

16 pi

Step-by-step explanation:

Area of a circle is pi*radius^2. In this case, the area of the full circle would be pi*8^2 which is 64pi. The area of a quarter circle would be one fourth of that, so 16pi

Answer:

42 divided by 2

Step-by-step explanation:

42 divided by 2 equals 21 and how to find if it is correct is to add it together 21+21 or multiply it by what it was divided by 21x2

Yes, the integer is divisible by 3.

To determine if r is divisible by 3, we must first determine the value of r. According to statement 1, r is the product of 4 consecutive positive integers.

This means that the 4 integers must be increasing by 1 each time. The smallest integer must be 1, and the 4th integer must be 4 higher than the first, making it 5.

The product of these 4 integers is 1 x 2 x 3 x 4 = 24, which is less than 25.

Since 24 is divisible by 3, r is also divisible by 3.

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The steps to graph the linear inequality is shown. (Refer to the steps below)

A linear inequality in mathematics is an inequality involving a linear function.

One of the symbols for inequality is found in linear inequality.

It displays non-equal data in graph style.

These steps will be used to graphically solve a set of linear inequalities:

1. Find y's inequality solution.

2. Represent the inequality as a linear equation and, depending on the inequality sign, graph the line as either a solid line or a dashed line.

3. Darken the area when the inequality is satisfied.

4. For every disparity, repeat steps 1 through 3.

5. The region where all of the inequalities intersect will be the solution set.

Therefore, steps to graph the linear inequality is shown.

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The sum of the reciprocals of the two numbers is 0.5

Let the two numbers be x and y such that

x + y = 10

xy = 20

In x + y = 10, x = 10 - y

plugging in in xy = 20

(10 - y)y = 20

10y - y² - 20 = 0

y² - 10y + 20 = 0

solving the quadratic equation gives

y = 2.76 OR 7.24

sum of the reciprocal of the numbers

= 2.76⁻¹ + 7.24⁻¹

= 0.5

the sum is 0.5

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To translate an entire triangle, you need to first identify the coordinates of the triangle's vertices.

calculate the vector of the translation by subtracting the coordinates of the original triangle from the coordinates of the translated triangle. Finally, apply the vector to each of the triangle's vertices to move the entire triangle.

1. Identify the coordinates of the triangle's vertices (x1, y1, x2, y2, x3, y3).

2. Calculate the translation vector by subtracting the coordinates of the original triangle from the coordinates of the translated triangle (x1T, y1T, x2T, y2T, x3T, y3T).

3. Apply the vector to each of the triangle's vertices to translate the entire triangle. This can be done by adding or subtracting the vector from the original coordinates of the triangle's vertices.

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Answer:

The graph increases as it approaches -∞.

The graph decreases as it approaches ∞.

Step-by-step explanation:

f(x) = -x - 2x³ + 3x + 9

f(x) = -2x³ + 3x - x+ 9

f(x) = -2x³ + 2x+ 9

Look at the highest exponent(which is 3).

SInce the highest exponent is odd, that means that the graph approaches infinity in a different direction as per negative infinity. Since the highest exponent has a negative sign:

The graph is going UP as x-values get SMALLER ( To  -∞)

The graph is going DOWN as x-values get LARGER ( To  ∞)

Hence:

The graph increases as it approaches -∞.

The graph decreases as it approaches ∞.

Answer:

Since the degree is odd, the ends of the function will point in the opposite directions.

Odd

Frequently between the ages of 17 and 18, students. Seniors are students in the twelfth grade. The 12th grade, or senior year of high school, is frequently considered by students.

Exams, projects, and academic assignments are evaluated by graders, who also issue grades. They create test materials, quizzes, and other things. They develop or implement the grading criteria and system. Either hand grading or the usage of an electronic evaluation and grading application are options for them.

here ,

Students are typically between the ages of 17 and 18. Seniors are the term for students in the twelfth grade.

Twelveth grade, or senior year of high school, is often seen by students as a time to unwind and get ready to leave their old lives behind and enter either college or the workforce.

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Answer:

[tex]Lengths:8m and 11m[/tex]

Step-by-step explanation:

Area of a triangle is [tex]\frac{1}{2}bh[/tex]

[tex]44=\frac{1}{2} (x+3)(x)\\[/tex]

[tex]44=\frac{1}{2} (x_{2 +3x)[/tex]

[tex]88=x^{2} +3x[/tex]

[tex]x^{2} +3x-88=0[/tex]

[tex](x+11)(x-8)=0[/tex]

[tex]x=8[/tex]

[tex]Lengths:8m and 11m[/tex]

Answer:

no

Step-by-step explanation:

-5 = 7 + -2

7 + -2 = 5

no

Answer:

No

Step-by-step explanation:

7,-5 is not a point on the line

-5, -7 is on the line

To answer, let's use the exponent rules, here x³ denotes "x multiplied by itself three times,"

Exponents, often known as powers, specify how many times the base number must be multiplied.

Exponent rules are principles that are used to simplify expressions using exponents. These principles are also useful in simplifying formulas with exponents that are decimals, fractions, irrational numbers, or negative integers.

An exponent is just a shortened way to denote repeated multiplication.  x³ (or "x to the third power") in algebraic terms denotes "x multiplied by itself three times," or x x x.

Power is a mathematical phrase that denotes the repeated multiplication of a value or number.

As an example, power 6³ explains how three times the number 6 is multiplied.

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The complete question s as follows:

What is the meaning of x³ in math?

The scenario in this problem is described as follows:

There are 50 total animals in the barn, and there are 160 legs in total.

The system of equations that describes this situation is given as follows:

The variables that describe the system of equations are given as follows;

There are 50 total animals in the barn, hence:

x + y = 50.

There are 160 legs in total. Considering that each cow has four legs, while each chicken has two legs, we have that:

4x + 2y = 160.

The system of equations is composed by these two equations and can be solved using any method to identify the amounts of each animal.

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The ratio of milk to water in the mixture is 12:5, which means that for every 12 parts of milk, there are 5 parts of water. We can set up a proportion to solve for the amount of milk in the mixture. Let's call the amount of milk x.Then the proportion is:(12 parts milk) / (5 parts water) = (x liters milk) / (144 liters water)To solve for x, we can cross-multiply and simplify:12x = 5 * 144

x = (5 * 144) / 12

x = 60 litersThus, the amount of milk in the mixture is 60 liters.

According to the question,

ratio amount of water : milk is 5:12

given amount of water in the mixture is 144 litre,

then we have to find the value of x,

as given, 12x=144

                   x=144/12

                   x=12

or, 5(12) = 60litre.

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Assuming that x and y be inversely proportionate, we can denote their relationship as x  ∝1/y. It follows that as the value of x rises, the value of y falls, and vice versa.

We need to figure out the proportionality constant k, which is similar to the a directly proportional connection.

Thus, x  ∝1/y

x = k/y

k = xy.

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A transformative process turns a figure into a reflection.

(x, y)(x, y) is the formula for a reflection over the x-axis.

(x,y)(x,y) is the formula for a reflection across the y-axis.

The formula is (x,y)(y,x) for a reflection in the line y=x.

(x, y)(y, x) is the formula for a reflection in the origin.

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Answer:

Divided both sides by 2

Step-by-step explanation:

The equation is

2 (t +7) = 16

t + 7 = 8

To get to the second step, they divided bot sides by 2

Answer:

P(X, Y) = [(x1 sin 2A + x2 sin 2B + x3 sin 2C)/ (sin 2A + sin 2B + sin 2C), (y1 sin 2A + y2 sin 2B + y3 sin 2C)/ (sin 2A + sin 2B + sin 2C)]

Step-by-step explanation:

How to Construct Circumcenter of a Triangle?

The circumcenter of any triangle can be constructed by drawing the perpendicular bisector of any of the two sides of that triangle. The steps to construct the circumcenter are:

Step 1: Draw the perpendicular bisector of any two sides of the given triangle.

Step 2: Using a ruler, extend the perpendicular bisectors until they intersect each other.

Step 3: Mark the intersecting point as P which will be the circumcenter of the triangle. It should be noted that, even the bisector of the third side will also intersect at P.

As a result, after 130 miles Company A charges more than Company B.

A number, a variable, or both together with particular operation symbols make up an expression. An equal sign separates two expressions that make up an equation.

Here,

Company A Cost is equal to 0.80 m

Cost for Company B is 65 + 0.30 m.

In light of this,

A>B is true

when,

0.80 m > 65 + 0.30 m

0.50 m >65

m > (65 / 0.50)

m > 130.

As a result, after 130 kilometers, Company A charges more than Company B.

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Thousands, hundreds, tens and ones are four types of values and there are many more.

Value in mathematics is a number that represents the outcome of a computation or function. In the aforementioned example, you may inform your teacher that 5 + 6 Equals 30 or that x + y = 9 if x = 6 and y = 3. A variable or constant can also be referred to as a value.

The number 4 is in this case in the tens column. As a result, the place value of the number four is tens or tens.

Thousands, hundreds ,tens and ones are four types of values and there are many more like ones etc. Moreover after solving any problem for unknown variable the resulting numerical solution can also be termed as value.

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Answer:

-2

Step-by-step explanation:

x² + 6x = 40

This equation has the value of x as 4

Let's test

(4)^2 + 6(4) = 40

16 + 24 = 40

So, x is 4 in this equation

Now for the question, what is the value of x-6

We know x is 4

4 - 6 = -2

The slope of the line is -3/4.

What is a line?

A line is an object in geometry that is indefinitely long and has neither breadth nor depth nor curvature. Since lines can exist in two, three, or higher dimensional environments, they are one-dimensional things. The term "line" can also be used to describe a line segment in daily life that contains two locations that serve as its ends.

The points on the line are (-4, 5), (0,2), (4, -1).

The slope of a line that passes through the points (x₁, y₁) and (x₂, y₂) is (y₂ -  y₁)/(x₂ -  x₁).

The slope of the line is

(2 - 5)/(0 - (-4)) = -3/4

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Answer: 3 pieces of pie

Step-by-step explanation:

You gave Joe two pieces at first, then you gave joe another piece of pie

2 + 1 = 3 pieces of pie