In rhombus ABCD, points E,F,G and H are the midpoints of AB, BC, CD and DA respectively. Quadrilateral EFGH has area 14 and perimeter 16. Find the side length for rhombus ABCD.

The value of the segment MN is 23

An area or portion of a line with two endpoints is called a line segment. A line segment, in contrast to a line, has a known length. A line segment's length can be calculated using either metric measurements like millimeters or centimeters, or conventional measurements like feet or inches.

From the question,

LN = 54

LM = 31

The value of MN = must be determined.

LM + MN = LN

54 = 31 + MN

Substract 31 from both sides of the equation

54 - 31 = 31 + MN - 31

23 = MN

Hence, The value of  MN is 23.

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The required equation is

Percent Remaining = (100 grams) * (0.5)^(12 weeks / 6 weeks)

Generally, The equation that determines the percent of an initial amount of a radioisotope remaining after t weeks is:

Percent Remaining = (Initial Amount) * (0.5)^(t/Half-Life)

In this equation, "Initial Amount" is the amount of the radioisotope at the start of the time period being considered (for example, at the start of the autopsy).

"Half-Life" is the length of time it takes for half of the radioisotope to decay.

"t" is the length of time that has passed since the start of the time period being considered.

The term (0.5)^(t/Half-Life) represents the fraction of the initial amount of the radioisotope that remains after t weeks.  This term is called the decay constant.

It is raised to the power of t/Half-Life because the decay constant is the fraction of the radioisotope that remains after one half-life.

If t is equal to the half-life, then the decay constant is raised to the power of 1, which is equal to itself.

If t is twice the half-life, then the decay constant is raised to the power of 2, which means that only a quarter of the initial amount remains.

For the radioisotope Xenos-6, the half-life is 6 weeks. Using the equation above, we can determine the percent of the initial amount of Xenos-6 remaining after any number of weeks by plugging in the appropriate values.

For example, if we have an initial amount of 100 grams of Xenos-6 and we want to know the percent remaining after 12 weeks, we would plug in the values like this:

Percent Remaining = (100 grams) * (0.5)^(12 weeks / 6 weeks)

This would give us a result of 25%, which means that 25 grams of Xenos-6 would remain after 12 weeks.

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Correct option is B, Tossing their heads in sprightly dance, saw I ten thousand at a glance.

Nature is the most beautiful aspect of the entire planet, according to the poem I Wandered Lonely As A Cloud. Daffodils are used in the poem to symbolize the joy and splendor of nature. The poet claims that the times he spent admiring those daffodils were the happiest of his life. Between 1804 and 1807, Wordsworth penned "I Wandered Lonely As A Cloud." While out for a stroll in the English countryside, he and his sister came across a lovely belt of daffodils. In order to express the emotion that overcame him at that precise moment, Wordsworth wrote this poem.

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On solving the provided question, we can say that frequency distribution minimum 40 to max 114

In order to make the information easier to understand, frequencies are organized into frequency distributions, which are visual displays. The frequencies displayed in a frequency distribution can be absolute or relative, like ratios or percentages. Both a graph and a table of frequencies can be used to represent a frequency distribution. Both the exact number of observations and the proportion of observations falling within each range can be displayed in a frequency distribution. A relative frequency distribution is the name given to the distribution in the latter scenario. The frequency of an observation is the frequency with which it appears in the data. The frequency of the number 9 in the following list of numbers, for instance, is 5. (because it occurs 5 times). 1, 2, 3, 4, 6, 9, 9, 8, 5, 1, 1, 9,

the class width for a frequency table with seven classes -

(114-40)/7 = 74/7 = 10 4/7 = class width with 7 classes from minimum 40 to max 114

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Answer:

1. 5m - 10

2. 18p - 1

3. 48x + 6

4. -5(7x+ 6)

5. 18y - 3

6. 3.2z + 0.64

7. 2(4w - 16)

8. 2.2(x + 1)

9. 100z² - 538

24

10. — y³

4

and pls mark brainliest

The shoe owner should go for weighted mean when placing an order for shoes.

The study of data gathering, analysis, interpretation, presentation, and organization is known as statistics. In other words, gathering and summarising data is a mathematical discipline. Additionally, statistics might be considered a subfield of applied mathematics. However, uncertainty and variation are two crucial and fundamental concepts in statistics. Only statistical analysis can determine the uncertainty and variation in many sectors.

Given  Mr. Gilpin owns a shoe store,

when placing an order he should go for the average of the shoes that most of people use,

the average is shown by the mean but for the specific size he has to go with weighted mean,

A weighted mean is an average that is created by allocating various weights to various individual data. The weighted mean is equivalent to the arithmetic mean if all of the weights are identical.

Hence Mr. Gilpin should go with the weighted mean.

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Answer:

Step-by-step explanation:

The number which is a perfect cube among the given options is 27, which is option (b).

Given are some numbers.

It is required to find the number which is the perfect cube.

Now first, understand what numbers can be classified under the group of perfect cubes.

Perfect cubes are numbers that are formed by multiplying any number by itself 3 times.

That is, a number x is a perfect cube if there exists another number y such that:

x = y × y × y

x = y³

Here, from the given options:

27 = 9 × 3

    = 3× 3 × 3

That is, 27 is a perfect cube.

Hence, the correct option is (b).

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Answer:

Let x = Eric's checking account balance

Let y = Eric's savings account balance

x + y ≥ 600

To be a viable solution in this context, the x and y values must both be rounded to two decimal places.

x = -275.00, y = 957.23

-275.00 + 957.23 ≥ 600

682.23 ≥ 600

Yes, Eric meets the minimum requirement for the loan.

Tito has to run 3(3/4) miles more than walk.

An expression is a way of writing a statement with more than two variables or numbers with operations such as addition, subtraction, multiplication, and division.

Example: 2 + 3x + 4y = 7 is an expression.

We have,

Distance run = 4 miles

Distance walked = 1/4 mile

The difference between the distance run and walked.

= 4 - 1/4

= (16 - 1)/4

= 15/4

= 3(3/4) miles

Thus,

3(3/4) miles more were run.

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The complete question is:

John ran 4 miles and walked 1/4 of a mile. How much farther did John run than walk?

The inequality which correctly supports Fabian's claim as described above is; 0.25 × 100 > 0.1 × 80.

The inequality which shows that Fabian's claim as described above is incorrect is; 0.25 × 100 > 0.1 × 1000.

To start with, in a bid to write the given word phrase which happens to be Fabian's claim as an algebraic expression; we have that;

Let x be the first number and let y be the second number.

On this note, we have that;

( 25% × x ) > ( 10% × y )

0.25x > 0.1y

Consequently, the complete inequality which supports Fabian's claim is when x = 100 and y = 80 so that we have;

0.25 × 100 > 0.1 × 80; 25 > 8 which holds true.

Aslo, The inequality which shows that he is incorrect is; when x = 100 and y = 1000 so that we have;

0.25 × 100 > 0.1 × 1000; 25 > 100 which does not hold true.

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Answer:

I'm not really sure if this is the right answer because I'm in high school and your in collage so here's what I can do:

Tom's pencil is 3x + 10cm longer  than Ellen's.

What is arithmetic operation?

The addition, subtraction, multiplication, division, exponentiation, and modulus operations are carried out by the arithmetic operators.

For all real numbers, the four fundamental arithmetic operations in mathematics are: Finding the sum in addition ('+') Subtraction (Difference-finding; "-" Multiplication (Identifying the result; "x" Finding the quotient in division (÷).

Given:

Ellen has a pencil 2x+15cm long.

Tom has a pencil 5x+25cm long.

We have to find how much longer is Tom's pencil than Ellen's.

This is calculated as:

Length of Tom's pencil - Length is Ellen's pencil

Length of Tom's pencil: 5x+25cm long.

Length of Ellen's pencil : 2x+15cm long.

= (5x + 25)cm - (2x + 15)cm

= 5x + 25 - 2x - 15

= 5x - 2x + 25 - 15

= 3x + 10 cm

Therefore, Tom's pencil is 3x + 10cm longer  than Ellen's.

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48% percent of the students in the school are boys.

What is arithmetic?

Mathematical arithmetic is the study of the properties of the standard operations on numbers, such as addition, subtraction, multiplication, division, exponentiation, and root extraction.

Here, we have

Given: There are 240 boys at Grover Cleveland Middle School. There are 260 girls at the school.

We have to calculate the percentage of the students in the school who are boys.

Boys = 240

Girls = 260

% of boys = (240/500)×100

% of boys = 48%

Hence, 48% percent of the students in the school are boys.

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Answer: hot

Step-by-step explanation: hot

The equation of the tangent line to the graph of the given function at the point (2,-2) is y = x-4

The tangent line to a plane curve at a given point is the straight line that "just touches" the curve at that point.

Given that, a function f(x) = x³-3x²+x, We need to find the equation of the tangent line to the graph of the function at the point (2,-2)

The given function is f(x) = x³-3x²+x, we have x = 2,

Finding the slope of the line,

f'(x) = 3x²-6x+1

Slope = f(2)

f(2) = 12-12+1 = 1

Since, the tangent line passes through (2,-2) and have slope 1,

We know, the equation of the tangent line can be found using the formula  y-y₁ = m(x-x₁), where m is the slope and (x₁, y₁) is the coordinate points of the line.

y-(-2) = 1(x-2)

y+2 = x-2

y = x-4

Hence, the required equation is y = x-4

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An example to support Fabian statement is that 25% of 100 is more than 10% of 100.

An example to negate Fabian statement is that 25% of -100 is less than 10% of -100.

A percentage simply has to do with the a value or ratio which can be stated as a fraction of 100. It should be noted that when we want to we calculate a percentage of a number, we simply divide it and then multiply the value that is gotten by 100

An example to support Fabian statement is that 25% of 100 is more than 10% of 100. In this case, 25 it more than 10.

An example to negate Fabian statement is that 25% of -100 is less than 10% of -100. In this case, -25 is less than -10.

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Using the formula of probability without replacement, the probability of selecting 2 greens without replacement is 1/12

When things are taken out of a set or collection as they are chosen, the probability that a certain occurrence will take place is known as probability without replacement. In probability with replacement, the elements are altered after each choice is made, but the set is left alone.

We use the following formula to determine probability without replacement:

P(Event) = Number of positive results / Number of potential results

Where the total number of items in the set represents the number of outcomes that are feasible, and the number of positive outcomes is the number of items that meet the event requirements.

Total number of possible outcomes = 3 + 3 + 3 = 9

P(green) = (3 / 9) * (2 / 8)

P(green) = 1 / 12

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Complete Question:

A bag holds 3 red marbles and 3 green marbles. If you removed two randomly selected marbles from the bag, without replacement, what is the probability that both would be green?

On solving the provided question, we can say that - the area of the triangle is - A = 1/2 X 10X 20 = 100 mm sq.

Three sides and three vertices make up a triangle, which is a polygon. It is among the fundamental forms in geometry. Triangle ABC is the name given to a triangle with vertices A, B, and C. When the three points are not collinear, a unique plane and triangle in Euclidean geometry are found. A triangle is a polygon that has three sides and three corners. The spots where the three sides join end to end make up the triangle's corners. Three triangle angles added together equal 180 degrees.

here,

b = 10 mm

H = 20 mm

A = 1/2 X B X H

A = 1/2 X 10 X20

A = 100 mm sq.

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Step-by-step explanation:

Let X be the number of pounds of peanuts selling for 85 cents per pound and Y be the number of pounds of peanuts selling for 98 cents per pound.

We can set up the following system of equations to represent this situation:

X * 0.85 + Y * 0.98 = 0.90 * (X + Y)

X + Y = 40

The first equation represents the total cost of the blend, and the second equation represents the total number of pounds of peanuts.

To solve this system of equations, we can use a method such as graphing, substitution, or elimination.

Using the substitution method, we can solve for one variable in terms of the other and substitute it into the other equation. For example, we can solve the first equation for X:

X = (0.90 * (X + Y) - Y * 0.98) / 0.85

Then, we can substitute this expression for X into the second equation:

(0.90 * (X + Y) - Y * 0.98) / 0.85 + Y = 40

Solving this equation for Y gives us the number of pounds of peanuts selling for 98 cents per pound:

Y = (40 * 0.85 - 0.90 * X) / (0.10 - 0.98)

To find the value of X, we can substitute this expression for Y into the first equation and solve for X:

X * 0.85 + (40 * 0.85 - 0.90 * X) / (0.10 - 0.98) * 0.98 = 0.90 * (X + (40 * 0.85 - 0.90 * X) / (0.10 - 0.98))

Solving this equation for X gives us the number of pounds of peanuts selling for 85 cents per pound:

X = 18.75

Therefore, 18.75 pounds of peanuts selling for 85 cents per pound must be mixed with 40 pounds of peanuts selling for 98 cents per pound to produce a blend selling for 90 cents per pound.

Each expression should be matched to the correct location on the table as follows;

(2 · 3⁻²)³ (5·3²)²/(3⁻²)(5·2)² = 2.

(3³)(4⁰)²(3·2)⁻³(2²) = 1/2.

(3⁷· 4⁷)(2·5)⁻³(5)²/(12⁷)(5⁻¹)(2⁻⁴) = 2.

(2.3)⁻¹ (2⁰)/(2 . 3)⁻¹ = 1.

In order to match each exponential expression to the correct location on the table, we would have to simplify each exponential expression by using the properties of exponents as follows;

(2 · 3⁻²)³ (5·3²)²/(3⁻²)(5·2)² = (2³)(3⁻⁶)(5²)(3⁴)/(3⁻²) (10²)

(2³)(3⁻⁶)(5²)(3⁴)/(3⁻²) (10²) = (2.2².5²) (3⁻⁶.3⁴)/(3⁻²) (10²)

(2.2².5²) (3⁻⁶.3⁴)/(3⁻²) (10²) = (2)(10²)(3⁻²)/(3⁻²) (10²)

(2)(10²)(3⁻²)/(3⁻²) (10²) = 2

Exponential expression 2:

(3³)(4⁰)²(3·2)⁻³(2²) = (3^3)(1^2) (3^-3)(2^-3) (2^2)

(3^3)(1^2)(3^-3) (2^-3) (2^2) = (2^(-3 + 2))

(2^(-3 + 2)) = 2^-1

2^-1 = 1/2

Note: A number with an exponent of 0 is equal to 1.

Exponential expression 3:

(3⁷· 4⁷)(2·5)⁻³(5)²/(12⁷)(5⁻¹)(2⁻⁴) = (12⁷)(2⁻³)(5⁻³)(5²)/(12⁷)(5⁻¹)(2⁻⁴)

(12⁷)(2⁻³)(5⁻³)(5²)/(12⁷)(5⁻¹)(2⁻⁴) = (2⁻³)(5^(-3 + 2))/(5⁻¹)(2⁻⁴)

(2⁻³)(5^(-3 + 2))/(5⁻¹)(2⁻⁴) = (2⁻³)(5⁻¹)/(5⁻¹)(2⁻⁴)

(2⁻³)(5⁻¹)/(5⁻¹)(2⁻⁴) = 1/2⁻¹

1/2⁻¹ = 2

Exponential expression 4:

(2.3)⁻¹ (2⁰)/(2 . 3)⁻¹ = 2⁰

2⁰ = 1

Note: You should multiply numbers that have the same exponent and add exponents with the same base.

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14/45 part of the book report was lost when the power filled

A fraction represents a part of a whole.

Given that Beau typed 8/15 Open his book report on his computer then he printed out 2/9 of his book report on his computer printer set an there was a power outage

Beau discovered that he hadn’t shaved his book report for the power went off.

We have to find the fractional part of the book report was lost when the power filled

8/15-2/9

LCM of 15 and 9 is 45

24-10/45

14/45

Hence, 14/45 part of the book report was lost when the power filled

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The length of the shorter side of the parallelogram is 39.5 inches.

A closed shape's perimeter is the sum of the lengths of its outside boundaries. The lengths of all the sides are added to determine the measurement.

Given;

The perimeter of a parallelogram is equal to the perimeter of a triangle with side lengths of 56 inches, 56 inches, and 99 inches.

The perimeter of the triangle,

= 56 + 56 + 99

= 211 inches.

And the perimeter of the parallelogram = The perimeter of the triangle.

Let x be the shorter side of the parallelogram.

Then,

2 (x+66) = 211

2x + 132 = 211

2x = 211-132

x = 79/2

x = 39.5 inches.

Therefore, the shorter side is 39.5 inches.

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To find the volume of the solid, you need to calculate the area of each cross-section and then multiply that by the thickness of the section (which is the distance along the y-axis).

(a) Squares: The cross-sections are squares with sides of length y. The area of a square is side^2, so the area of each square is y^2. The thickness of the section is the distance along the y-axis, which is the difference between y and 0, or simply y. So the volume of the solid for each of the square cross-sections is y^2 * y

(b) Semicircles: The cross-sections are semicircles with radii of length y. The area of a semicircle is (pi * r^2) / 2 , so the area of each semicircle is (pi * y^2) / 2. The thickness of the section is the distance along the y-axis, which is the difference between y and 0, or simply y. So the volume of the solid for each of the semicircular cross-sections is (pi * y^2) / 2 * y

(c) Equilateral triangles: The cross-sections are equilateral triangles with side length of y. The area of an equilateral triangle is (s^2 * √3)/4. so the area of each equilateral triangle is (y^2 * √3) / 4. The thickness of the section is the distance along the y-axis, which is the difference between y and 0, or simply y. So the volume of the solid for each of the equilateral triangle cross-sections is (y^2 * √3) / 4 * y

(d) Semi-ellipses: The cross-sections are semi-ellipses whose heights are twice the lengths of their bases. The area of a semi-ellipse is πab/2, where a and b are the lengths of the semi-major and semi-minor axes respectively. Therefore the area of each semi-ellipse will be (πy^2)/2. The thickness of the section is the distance along the y-axis, which is the difference between y and 0, or simply y. So the volume of the solid for each of the semi-ellipse cross-sections is (πy^3)/2

It is important to note that this is a theoretical volume calculation, as the shape of the solid does not have a closed form representation by these functions, but rather, these are an approximation.

Also, for any of these volumes to be meaningful, we have to integrate over the range of the variable y, since it is bounded by the equations y=x, y=0 and x=1, the variable y is limited.

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Emma is planning to cut 5 pieces of yarn and she should make each piece 7 inches long.

The acts of simplifying something to make it simpler to perform or comprehend, or the item that is simplified: The group offers guidance on streamlining trade processes.

Given, Emma is using this bar model to plan to cut 35 inches of yarn into equal pieces. As we can see in the picture she is planning to cut 5 pieces

Size of each  yarn  = 35/5 = 7

Therefore, Emma intends to cut five pieces of yarn, each measuring seven inches.

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After figuring out the answer to the above question, we can state that: v = 60 X (4.5 / 7.5), v = 36, 36 Liters in the equation.

A mathematical equation is a formula that joins two statements with the equal sign, or =, to represent equality. A mathematical statement demonstrating the equivalence of two mathematical expressions is the definition of an equation in algebra. For instance, the variables 3x + 5 and 14 are separated by an equal sign in the equation 3x + 5 = 14. All mathematical formulas, including equations, contain an equal sign. Algebra is frequently utilized in equations. When calculating a number in mathematics without knowing its exact value, algebra is used.

[tex]12.5 X (60 - v) + 20v= 17.60\\7.5v = 17.70 - 12.5 X 60\\v= 60 X ( 4.5 / 7.5)\\v = 36\\36 Liters[/tex]

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Option (B): Return on investment is a measure of the efficiency of an investment.

What is meant by return on investment?

A ratio between net income and investment is known as return on investment or return on costs. A high ROI indicates that the returns on the investment outweigh the costs. ROI is used as a performance metric to assess an investment's efficiency or to compare the effectiveness of multiple distinct investments.

Investment efficiency is an essential topic because firms with better investment efficiency are related to reduced agency problems which suggests that aligning the interest of management and shareholders of the firms minimises the risk of deviating from the expected level of investment.

Therefore the return on investment gives the measure of the efficiency of an investment.

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The following measurements on a semi circle are

m< S = 47 degree

m< U = 90

x = 6.78

The angle inscribed on a semicircle is equal to 90 degrees. This makes the triangle SUT a right triangle

The angle at U is the inscribed angle and this is equal to 90 degrees

m< U = 90 degrees

m< S + m< U + m< T = 180 - sum of angle o a triangle

m< S = (9x - 14)

m< U = 90

m< T = 43

substitute the values

9x - 14 + 90 + 43 = 180

9x - 14 = 180 - 90 - 43

9x - 14 = 47

9x = 47 + 14

9x = 61

x = 61/9

x is solved to be 61/9

m< S = 9x - 14

substitute the value of x

m< S = 9 * 61/9 - 14

m< S = 47 degree

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Answer:

Rotation

Reflection

Translation

Rotation

Step-by-step explanation:

A rotation is a turn.

A reflection is a flip

A translation is a slide.

The range of the given function f(x)= -3x+1 for domain {-2, -1, 0}

is { 1<= x <=7}.

What is range and domain of a function?

Domain

The set of all possible values which qualify as inputs to a function is known as the domain of the function, or it can also be defined as the entire set of values possible for independent variables. The domain can be found in – the denominator of the fraction is not equal to zero and the digit under the square root bracket is positive. (In the case of a function with fraction values).

Range

The set of all the outputs of a function is known as the range of the function or after substituting the domain, the entire set of all values possible as outcomes of the dependent variable.

Now

To find range for f(x)= -3x+1 for domain {-2, -1, 0}

we can just put values

f(-2)=7

f(-1)=4

f(0)=1

Hence, range is { 1<= x <=7}.

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the answer is 2 .

2 is the coefficient of y= 2x²+x-1