A scale drawing of Julie's living room is shown below: A rectangle is shown. The length of the rectangle is labeled as length equal to 8 cm, and the width is labeled as width equal to 6 cm. If each 2 cm on the scale drawing equals 4 feet, what are the actual dimensions of the room?
Group of answer choices Length = 16 feet, width = 12 feet Length = 10 feet, width = 8 feet Length = 32 feet, width = 24 feet Length = 14 feet, width = 12 feet

Answer:

Step-by-step explanation:

40 desks

Answer:

See below

Step-by-step explanation:

A) If [tex]DF\cong GH[/tex], then both triangles will be congruent by the ASA postulate

B) If [tex]DE\cong GI[/tex], in addition to one of the corresponding leg pairs being congruent to each other (so EF+IH or DF+GH), then the triangles will be congruent by the HL theorem

A regression line is defined as an estimate of the line that describes the actual line, which is unknown. It represents a linear relationship between the two variables, that is the dependent and the independent variable.

In other words, the equation of the regression line is used to estimate the value of the dependent variable from a specified value of the independent variable.

Correlation coefficient is used to determine the strength of linear association between two variables, that is the dependent and the independent variable. (Correlation shows what kind of relation two variables have.)

Regression line's important use is to make predictions about the values of y for a given x-value.

Hence option a is correct.

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The conversion of 300 lbs to kg is 136.054 kg.

Measurement is the method of comparing the properties of a quantity or object using a standard quantity.

Measurement is essential to determine the quantity of any object.

Given,

Total units = 300 lbs

We have the conversion factor that,

1 kilogram = 2.205 pounds

Or,

2.205 pounds = 1 kilogram

1 pounds = 1 / 2.205 kg

lbs is same as pounds.

300 lbs = 300 × (1 / 2.205) kg

             = 136.054 kg

Hence the measurement of conversion of 300 lbs is 136.054 kg.

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The antiderivative of ln x is (1/2)(ln x)^2 + C, where C is any constant. The natural logarithm function ln x is defined only for positive x, so the antiderivative is also defined only for positive x.

The antiderivative (also called the indefinite integral) of ln x is a function that, when differentiated, gives ln x. The symbol for the antiderivative is ∫ln x dx.

To find the antiderivative of ln x, we can use integration by substitution. We start by rewriting ln x as 1 times ln x, and then we use the substitution u = ln x. This means that du/dx = 1/x, or dx = x du.

Substituting these expressions into the integral gives:

∫ln x dx = ∫1 ln x dx = ∫u du

Now we can integrate u with respect to itself:

∫u du = (1/2)u^2 + C

Substituting back u = ln x, we get:

∫ln x dx = (1/2)(ln x)^2 + C

where C is the constant of integration.

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The domain of the function; R (c) as required is; [0, 150].

The range of the function; R (c) as required is; [0, 450].

As evident in the task content; the given function is; R (c) = 3c and the class has a maximum of 150 bags to sell.

In Essence, the possible values of c are such that; 0 ≤ c ≤ 150.

The domain is therefore; [0, 150].

Hence, the range is; 3(0) ≤ R(c) ≤ 3(150).

Ultimately, the range of the function is; 0 ≤ R (c) ≤ 450.

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To show that a statement is false, we need to find a counterexample where the statement does not hold true. Here are the counterexamples for each statement:

The sum of any three odd numbers is even.

Counterexample: 1 + 3 + 5 = 9, which is an odd number. Therefore, the statement is false.

When an even number is added to the product of two odd numbers, the result will be even.

Counterexample: 1 {square} 3 + 2 = 5, which is an odd number. Therefore, the statement is false.

When an odd number is squared and divided by 2, the result will be a whole number.

Counterexample: Let's take an odd number, say 3. If we square it, we get 3{square}2 = 9. If we divide 9 by 2, we get 4.5, which is not a whole number. Therefore, the statement is false.

In each of these cases, we have found a counterexample that shows that the statement is false. It is important to remember that just because a statement holds true for some examples, it does not necessarily mean it holds true for all examples. Finding counterexamples is an important tool in mathematical reasoning and can help us to refine and improve our understanding of mathematical concepts.

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Answer: Correct option is B

Step-by-step explanation:  3/6 + 2/6 = 5/6

The expression that refers the operation "0.04 divided by n" is written as 0.04/n

An expression is a mathematical statement that contains operators, variables, and constants.

In this case, we want to write an expression that will represent the division of 0.04 by n.

The expression for this would be 0.04/n, where n is the number being divided by 0.04.

This expression shows that when 0.04 is divided by n, the result is 0.04 divided by n.

The expression can be used to calculate the result of any division problem involving 0.04 and n

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Answer:

Unit rate = 0.6

y = 0.6x

x= 24

Step-by-step explanation:

I cannot see the headings to the table, but on examining the questions, the first column contains the values for variable x and the second column the values for variable y

Unit Rate

Unit rate = increase in y for a unit increase in x
We see that the rate is constant for every unit increase in x and is = 0.6
Unit rate = 0.6

Equation
The equation therefore is y = 0.6x

Value of x when y = 14.4
When y = 14.4, plugging into the equation gives:
14.4 = 0.6x
or
0.6x = 14.4  by switching sides - no effect on equation

Divide both sides by 0.6
0.6x/0.6 = 14.4/0.6
x= 24

Answer:

area of rhombus here parallelogram

bh

21multiplied by 17.3

363.3cm2

The conversion of 184 centimetres in feet is equals to the 6.03 feet. Thus, conversion factor from centimetres to feet is 6.03/184 = 0.032.

A conversion factor is a number used to convert one set of units into another set of units by multiplication or division. If conversion is necessary, a conversion factor suitable for equivalent value must be used. For example, to convert meters to centimetres, the appropriate conversion value is 100 centimetres equal 1 meter. It includes converting a value from inches to millimeters, for distance from miles to kilometers, feet or other units. How to convert centimeters to feet : One meter is a measure of length and equals approximately 3.28 feet. Thus conversion factor is 3.28 feet. So, 184meters

= 184× 3.28 feet

= 603.52 feet --(1)

But we need to convert 184 centimeters to feet. So, change meters to centimeters. As you know, 1 meter = 100 centimeters, so 184 meters = 18400 centimeters --(2). Now from equations (1) and (2),

18400 centimeters = 603.52 feet,

Divide both parts by 100,

=> 184 centimetres = (603.52/100 ) feet

= 6.03 feet

Hence required value is 6.03 feet.

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The equivalent to the expression 3², which equals 9.

An exponent is a mathematical operation that involves raising a number to a certain power. In this case, you are curious about what 3 to the 2 power means. Let's explore this concept further.

When we write 3 to the 2 power, it means that we are multiplying 3 by itself two times. This can also be written as 3 raised to the power of 2, which is represented by the notation 3².

To illustrate this concept, let's use an example. Consider the expression 3². This means that we need to multiply 3 by itself twice, as indicated by the exponent of 2. In other words:

3² = 3 x 3 = 9

So, 3 to the 2 power is equal to 9. Another way to think about this is to imagine a square with sides of length 3. The area of this square would be 3 x 3, or 9.

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The three double-angle identities are :

1.[tex]$\cos(2\theta) = \cos^2\theta - \sin^2\theta$[/tex]

2. [tex]$\sin(2\theta) = 2\sin\theta\cos\theta$[/tex]

3. [tex]$\tan(2\theta) = \frac{2\tan\theta}{1-\tan^2\theta}$[/tex]

The three double angle identities are equations that relate the cosine, sine, and tangent of twice an angle to the cosine, sine, and tangent of the original angle. these identities are useful in trigonometry, as they make it possible to express a double angle in terms of its simpler  angle components.

The first identity states that the cosine of twice an angle is equal to the square of the cosine of the original angle, minus the square of the sine of the original angle. the second identity, states that the sine of twice an angle is equal to twice the product of the sine and cosine of the original angle.

The third  identity states that the tangent of twice an angle is equal to twice the tangent of the original angle, over one minus the square of the tangent of the original angle,

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The correct expression after subtraction is,

⇒ 7/8 - 3/4 = 1/8

Option C is true.

Subtraction in mathematics means that is taking something away from a group or number of objects. When you subtract, what is left in the group becomes less.

Now, We can all the expressions as,

A). 3/4 - 1/2 = 1/4

LHS;

⇒ 3/4 - 1/2

⇒ (6 - 4) / 8

⇒ 4/8

⇒ 1/2 ≠ 1/4

Hence, It is not true.

B. 9/16 - 4/8 = 5/8

LHS;

⇒ 9/16 - 4/8

⇒ (9 - 8)/16

⇒ 1/16 ≠ 5/8

Hence, It is not true.

C. 7/8 − 3/4 = 1/8

LHS;

⇒ 7/8 - 3/4

⇒ (7 - 6)/8

⇒ 1/8

Hence, It is true.

D. 7/15 − 1/3 = 6/15

LHS;

⇒ 7/15 - 1/3

⇒ (7 - 5)/15

⇒ 2/15 ≠ 6/15

Hence, It is not true.

E. 1/2 − 1/20 = 10/20

LHS;

⇒ 1/2 - 1/20

⇒ (10 - 1)/20

⇒ 9/20 ≠ 10/20

Hence, It is not true.

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The value of the term 14 times 39 can be expressed as the value of 2.7857.

Unit conversion is the process of converting the measurement of a given amount between various units, often by multiplicative conversion factors that alter the value of the measured quantity without altering its effects.

Or, how do you increase something by 14 to get 39? If "x" in the phrase "14 times what = 39?" is "what," then the equation to use to solve the issue is as follows:

14 • x = 39

which is spelled out as:

14x = 39

In order to get the x alone, we must take the 14 from the left side of the equation. We multiply both sides by 14 to achieve that.

14x/14 = 39/14

39/14 is 2.7857 and 14x/14 equals x, thus our equation will be as follows:

x = 2.7857

Therefore, the result of 14 times what is 39 is 2.7857.

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The amount invested in AAA - bonds is $5353, amount invested in

A - bonds is $1681 and amount invested in B - bonds is $3369. The solution has been obtained by using matrices.

What are matrices?

The term "matrix of order m by n," sometimes known as "m × n matrix," refers to a rectangular array of m × n numbers (real or complex), organised into m rows and n columns.

Such a range is bounded by [ ] or ( ).

We are given equations as

x + y + z = $10300

0.045x + 0.05y + 0.09z = $620

2y − z = 0

From this, we get the matrix as

[tex]\left[\begin{array}{ccc}1&1&1\\0.045&0.05&0.09\\0&2&-1\end{array}\right] \left[\begin{array}{ccc}x\\y\\z\end{array}\right] = \left[\begin{array}{ccc}10300\\620\\0\end{array}\right][/tex]

This shows that AX = B

X = A⁻¹B

[tex]\left[\begin{array}{ccc}x\\y\\z\end{array}\right][/tex] [tex]= \left[\begin{array}{ccc}2.42&-31.57&-0.42\\-0.47&10.52&0.47\\-0.94&21.05&-0.05\end{array}\right][/tex]     [tex]\left[\begin{array}{ccc}10300\\620\\0\end{array}\right][/tex]

On solving this, we get

[tex]\left[\begin{array}{ccc}x\\y\\z\end{array}\right][/tex]    [tex]=\left[\begin{array}{ccc}5353\\1681\\3369\end{array}\right][/tex]

Hence, the amount invested in AAA - bonds is $5353, amount invested in A - bonds is $1681 and amount invested in B - bonds is $3369.

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The missing side length is 22.6.

From the given figure, We can observe that it is a right-angled triangle.

We are provided with two angles in the triangles,

So, We can evaluate the third angle by the sum of the angles property of

a triangle.

∠ABC + ∠BAC + ∠ACB = 180°

90° + 37° + ∠ACB = 180°

∠ACB = 180° - 127°

∠ACB = 53°

By the property of the triangle,

tanα = Perpendicular/Base of the triangle

tanα = AB/BC

tan53° = x/17

x = tan53°×17

x = 22.6

Therefore, The missing side length is 22.6.

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The missing side length of right angled triangle is 22.6.

Given,

Right angled triangle

Here

Two angles in the triangles : 37 and 90 degrees .

So, We can evaluate the third angle by the sum of the angles property of a triangle.

∠ABC + ∠BAC + ∠ACB = 180°

90° + 37° + ∠ACB = 180°

∠ACB = 180° - 127°

∠ACB = 53°

By the property of the triangle,

tanα = Perpendicular/Base of the triangle

tanα = AB/BC

tan53° = x/17

x = tan53°×17

x = 22.6

Therefore, The missing side length is 22.6.

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The apex predator in the given triangle is the animal at the highest point, Beluga whale. Option 2 is the correct answer.

An apex (plural apices) is the vertex in geometry that is essentially the "highest" of the form to which it belongs. The phrase is frequently used to describe the vertex that is opposite from a "base." The word comes from a Latin root that means "summit, peak, tip, top, or extreme end."

the point (vertex) of an item that is furthest distant from its base.

The apex predator in the given triangle is the animal at the highest point, Beluga whale.

Hence, Option 2 is the correct answer.

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Answer:

[tex]\huge\boxed{\sf x = \pm \sqrt{17} }[/tex]

Step-by-step explanation:

f(x) = x² + 7

Given that, f(x) = 24

24 = x² + 7

24 - 7 = x²

17 = x²

So,

x = √17 or x = -√17

[tex]\rule[225]{225}{2}[/tex]

With the provided scale, the driveway's true length is 7/6 feet, and 1 and 1/6 feet.

The height of any unit can be converted to inches using the free online tool known as an inch calculator. Both inches and centimetres are units used to measure length; inches are abbreviated as "in" and centimeters as "cm".

To determine the real length of the driveway, we can use the provided scale.

The scale indicates that 5 inches just on illustration corresponds to 6 feet in everyday life.

Now, let's change 35 inches just on picture to feet:

35 inches / 5 inches for every 6 feet equals 7/6 feet.

The driveway is therefore 7/6 feet in length in actuality. We can condense.

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The unknown variables in parallelograms above include the following:

x = 8 units.

y = 27 units.

x = 20°

x = 9°

In Mathematics, a parallelogram simply refers to a geometrical figure (shape) and it can be defined as a type of quadrilateral and two-dimensional geometrical figure that has two (2) equal and parallel opposite sides.

In this context, we have:

2x - 5 = 11

2x = 11 + 5

2x = 16

x = 8 units.

y + 1 = 28

y = 28 -1

y = 27 units.

Generally speaking, the opposite angles of a parallelogram are always congruent or equal and as such, we have the following:

(7x - 1)° = 139°

7x = 139° + 1°

7x = 140°

x = 140/7

x = 20°

For parallelogram b, we have:

(7x - 10)° = (6x - 1)°

7x - 6x = -1 + 10

x = 9°

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Using the addition of the given fractions we know that Jamal drank a total (D) of six and one-half bottles of water.

One of the four fundamental operations in mathematics is addition, along with subtraction, multiplication, and division.

The entire amount or sum of the two whole numbers is obtained by adding them.

Mathematicians utilize addition as their main arithmetic operation to determine the sum of two or more numbers.

For instance, 7 + 7 equals 14.

So, the given fractions are:

2 1/6 and 3 7/8

Now, add them as follows:

2 1/6 + 3 7/8

13/6 + 31/8

52+93/24

145/24

6 1/24

Therefore, using the addition of the given fractions we know that Jamal drank a total (D) of six and one-half bottles of water.

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Complete question:

Jamal drank two and one-sixth bottles of water in the morning and three and seven-eighths bottles in the afternoon. Estimate how much water Jamal drank in all.

A. 5 bottles

B. five and one-half bottles

C. 6 bottles

D. six and one-half bottles

48 percent of the students in the survey are male.

40 percent of the students in the survey are female

A number or proportion which can be represented as just a percent of 100 is known to as a percentage in math. If we want to calculate a percentage of such a number, multiple this by 100 then divided it by the total. Thus, a part per hundred is what the percentage refers to. Percent signifies for every 100. The sign "%" is used to denote it.

10%, a comparative figure denoting one hundredth of any amount. One percent (symbolised as 1%), being the hundredth component, is represented as 100 percent, while 200 percent signifies twice the amount specified. percentage.

b. 48 males and 40 females were surveyed.

Among the surveyed students, 8 had green eyes, 35 had blue eyes and 45 had brown eyes.

c. the image in below shows the complete table.

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The ratios are equivalent by simplifying is shown below.

A ratio is a comparison between two amounts that is calculated by dividing one amount by the other. The quotient a/b is referred to as the ratio between a and b if a and b are two values of the same kind and with the same units, such that b is not equal to 0. Ratios are represented by the colon symbol (:). As a result, the ratio a/b has no units and is represented by the notation a: b.

Given:

We have first ratio 3:1

and, second 6:2 on simplifying we get 3:1.

and, third 9: 3 on simplifying we get 3:1.

and, Fourth 12:4 on simplifying we get 3:1.

So, all the ratio gave same value on Simplification which shows the ratios are Equivalent.

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The location of the 83rd percentile for a data set with 40 observations would be 34.03.

Data is the collection of data term that is organized and formatted in a specific way it's typically contains fact observation or statistics that are collected through a process of measurement or research data set can be used to answer question and help make informed decision they can be used in a variety of ways such as to identify trends on cover patterns and make prediction.


A percentile is a value on a scale of one hundred that indicates the percentage of a distribution that is equal to or below it. For example, the 83rd percentile for a data set with 40 observations would indicate that 83% of the observations in the data set are equal to or less than 34.03. To calculate the location of a given percentile, the formula is (p/100) * n, where p is the given percentile and n is the total number of observations. Therefore, for a data set with 40 observations and an 83rd percentile, the formula would be (83/100) * 40 = 33.2, which would be rounded up to 34.03.

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The coordinate of point C which is 7 / 8 of the distance from M to J is 16 .

The first step is to find the distance between M and J to be :

= Coordinate of J - Coordinate of M

= 18 - 2

= 16

The distance that is 7 / 8 between M and J is :

= 16 x 7 / 8

= 14

The coordinate of C would be :

= Coordinate of M + 7 / 8 distance

= 2 + 14

= 16

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The value 0.5625 as a fraction is 9/16 .

In mathematics, fractions are defined as part of a whole. A whole can be an object or a group of objects. In real life, if you cut a pie out of the whole pie, that piece becomes part of the pie. Fractions are words of Latin origin. "Fractus" means "broken" in Latin. In ancient times, rest was expressed in words. Later it was introduced in numerical form.

Fractions are also called parts or sections of any quantity. Represented by the symbol '/'. Bachelor/Bachelor For example, 2/4 is the numerator above and the fraction below the denominator. In this article, you will learn the definition of fractions in mathematics, types of fractions, how to convert fractions to decimals, and many solved examples and full explanations

to convert in fraction we will muliply and devide by 100.

.5625*100/100 = 9/16

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