Write an equivalent expression for this, please!
[tex]\frac{3}{4} times(z^{3} times 4)[/tex]

The value of x in the angle is 56 degrees

From the question, we have the following parameters that can be used in our computation:

The figure

On the figure, we have teh following equation

64 + x + 60 = 180

The above is by the angle on a straight line theorem

So, we have

124 + x = 180

Evaluate the like terms

x = 56

Hence, the value of x is 56

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Answer:

x = 56

Step-by-step explanation:

64 + x + 60 = 180

124 + x = 180

x = 56

Kinetic energy of a moving object depends directly on its mass and velocity.

Energy is the ability to do work. There are several types of energy like potential energy, kinetic energy, heat energy, mechanical energy, electrical energy and so on.

Kinetic energy is the energy that an object possesses due to its motion. All moving objects possesses this energy (kinetic energy). The kinetic energy of an object is given by:

Kinetic energy = (1/2) * mass * velocity²

Kinetic energy depends on mass and velocity.

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Answer:

Since you know that 15 vases are worth 2,250 rupees, then to find how much 25 cost, you can first find how much each costs individually.

To find how much each vase cost, you can just divide the total cost of 15 vases, and the amount of vases:

2250/15 = 150

Each vase costs 150 rupees.

Now to find how much 25 vases cost, you can just multiply the cost per each flower vase, by the total amount of vases:

150 * 25 = 3,750

25 flower vases cost's 3,750 rupees.

Step-by-step explanation:

Hope it helps! =D

One of the features of interactive model of communication is "Feedback where a recipient of communication such as a listener provides a response to a message, often to indicate understanding after a message has been received."

The Feedback is one of the key features that makes the Interactive Model of Communication different from the Linear Model  based on Shannon and Weaver's mathematical model .

The Feedback allow a reciprocal exchange of messages between the sender and receiver, making communication a dynamic and interactive process.

In the Interactive Model, the feedback enables the receiver to provide feedback to the sender, which allows clarification, confirmation, and correction of messages.

The given question is incomplete , the complete question is

One of the features of the interactive model of communication that is discussed by Turner and West which makes it different from the linear model that was based on Shannon and weaver's mathematical model of communication is ?

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The appropriate sales price for a home in 2020 would be = 480 thousands. That is option A.

The price of home in year 1990 = 149 thousand

The price of home in the year 1995 = 158 thousand

The difference in years = 2000-1995 = 5 years

The difference in the average sales price for the both years = 158-149 = 49 thousand.

The years difference between 2000 and 2020 = 20 years

If 5 years = 49 thousand

20 years = X

Make X the subject of formula;

X = 20×49/5

X = 980/5

X = 196 thousand

Therefore, the sales price for a home in 2020 would be = 207+196 = 403 thousands. The appropriate sales price would be = 480 in 2020.

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A rectangular field has a 380-yard perimeter. The length exceeds the width by 10 yards. The dimensions is 0.4121.

The area around a form's edge is known as its perimeter. By adding together the lengths of the sides of various forms, one may determine their perimeter. The length of each side is always added together to determine a shape's perimeter. Add the lengths of a rectangle's four sides to determine its perimeter. Finding all four sides is simple if you only know the width and height (two sides are each equal to the height and the other two sides are equal to the width). Divide the height and breadth by two and add the results.

So, the probability

Let breath be B.

Length[tex]=B+10[/tex]

Perimeter=2(Length + breath)

[tex]380=2(B+10+B)[/tex]

[tex]380=2(2B+10)\\380=4B+20[/tex]

[tex]B=90[/tex]

And Length is 100.

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The value of the exponential function is f ( x ) = 10ˣ - 4

When you raise a quotient to a power you raise both the numerator and the denominator to the power. When you raise a number to a zero power you'll always get 1. Negative exponents are the reciprocals of the positive exponents.

The different Laws of exponents are:

mᵃ×mᵇ = mᵃ⁺ᵇ

mᵃ / mᵇ = mᵃ⁻ᵇ

( mᵃ )ᵇ = mᵃᵇ

mᵃ / nᵃ = ( m / n )ᵃ

m⁰ = 1

m⁻ᵃ = ( 1 / mᵃ )

Given data ,

Let the exponential equation be represented as A

Now , the value of A is

Substituting the values in the equation , we get

f ( x ) = 10ˣ - 4   be equation (1)

Now , the exponential function is when it is raised to the power of x

So , the function is close to -4 because 4 is deducted from the function

Therefore , the value of A is 10ˣ - 4 and the graph is plotted

Hence , the exponential function is f ( x ) = 10ˣ - 4

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Part A: The equation that shows the relationship between Ann's age, x, and Tom's age, y is y = x - 8.

Relationship in Maths is the connection between two or more elements of a mathematical system. It can be regarded as a link between two or more mathematical objects or ideas. It can be expressed in terms of equations, inequalities, functions, and graphs. Most of the time, relationships in Maths are represented by symbols and arrows. For example, an arrow from one object to another represent a relationship between them. This type of representation is used to show the connection between different elements of a mathematical system.

Part B: The graph of the relationship between Ann's age, x, and Tom's age, y is shown below with the x-axis representing Ann's age, x, and the y-axis representing Tom's age, y.

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The MP3 player cost is $109.05.

Two or more expressions with an Equal sign is called as Equation.\

Let us consider the cost of the MP3 player "x".

Terrell started with $135 and spent $25.95 on the Internet music subscription,

so he had 135 - 25.95 = $109.05 left to spend on the MP3 player.

The equation to solve for x is:

x + 25.95 = 135

Subtract 25.95 on both sides

x = 135 - 25.95

x = 109.05

Hence, the MP3 player cost is $109.05.

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Candle A is taller than candle B at the beginning of the burning. The correct option is D.

The mathematical expression combines numerical variables and operations denoted by addition, subtraction, multiplication, and division signs.

Mathematical symbols can be used to represent numbers (constants), variables, operations, functions, brackets, punctuation, and grouping. They can also denote the logical syntax's operation order and other properties.

Given that Candle, A is taken from the mould at 223mm of height initially. Candle B is represented by the function h = 200 - 5t.

The initial height of candle A:-  223 mm

The initial height of candle B is:-

h = 200 - 5 t

h = 200 - 5 x 0

h = 200 mm

Candle A > Candle B

Hence, the height of candle A is greater than the height of candle B.

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The concept is an experiment conducted on  Probability.  Probability tells us how frequently some event will be after numerous repeated trials.

Probability is a branch of mathematics that deals with numerical descriptions of the probability that an event will occur or the probability that a statement is true. The probability of an event is a number between 0 and 1,

The sample space refers to the list of all possible issues of a trial. Each possible outgrowth is represented by a single point in the sample space, irrespective of the number of ways that outgrowth can do.

Given:

A) In an experiment, the gender of a child is observed at birth.

A child can be of two sexes: male and female.

Let (M) be male and (F) be female and denote (S) the pattern space.

Then: S = {M,F}

B) The list of all possible outcomes is called the pattern space. If we name two children in the order of their birth, there are 4 possible outcomes. Using M for men and F for women can shorten the results. The  list of all possible outcomes:

S={M, F} ,{M,M}, {F,F}

c) If the child were a girl, then from the previous scenario S= {F, F} would result.

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The z-scores for the middle 68% of the normal distribution are -1.0 and +1.0, for the middle 95% are -2.0 and +2.0, and for the middle 99.7% are -3.0 and +3.0.

a) The z-scores for the middle 68% of the normal distribution are -1.0 and +1.0. This means that 68% of the data falls between the mean and 1 standard deviation above and below the mean. The formula for calculating z-scores is z-score = (x - μ) / σ, where x is the data point, μ is the mean and σ is the standard deviation.

b) The z-scores for the middle 95% of the normal distribution are -2.0 and +2.0. This means that 95% of the data falls between the mean and 2 above and below the mean. The formula for calculating z-scores is z-score = (x - μ) / σ, where x is the data point, μ is the mean and σ is the standard deviation.

c) The z-scores for the middle 99.7% of the normal distribution are -3.0 and +3.0. This means that 99.7% of the data falls between the mean and 3 standard deviations above and below the mean. The formula for calculating z-scores is z-score = (x - μ)/ σ, where x is the data point, μ is the mean and σ is the standard deviation.

The z-scores for the middle 68% of the normal distribution are -1.0 and +1.0, for the middle 95% are -2.0 and +2.0, and for the middle 99.7% are -3.0 and +3.0.

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The required formula to calculate exterior angle and an interior angle are  360°/n and (n-2) * 180°/n.

In a two-dimensional plane, a polygon is a closed object formed of line segments rather than curves. Polygon is a word that combines the words poly (which meaning numerous) and gon (means sides). To create a closed figure, a minimum of three line segments must be connected end to end.

The measure of an exterior angle of a regular polygon with n sides is given by 360°/n. The measure of an interior angle of a regular polygon with n sides is given by (n-2) * 180°/n.

So if you provide the number of sides of the polygon, I can give you the measures of the exterior and interior angles rounded to the nearest tenth if necessary.

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The equation the line is, y = -3/2 *x -1

A straight line is an endless one-dimensional figure that has no width. It is a combination of endless points joined both sides of a point and has no curve.

Here, we have ,

from the given graph we get,

the line is passing through the points (0,-1)& ( -2,2)

So, by using the formula of equation of straight line of two-point form, we get,

(y-y_1)/(x-x_1 )=(y_2-y_1)/(x_2-x_1 )

now, by solving we get,

-3x-2y=2

Hence, the required equation is, y = -3/2 *x -1

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The probability that a student will complete the exam in more than 60 minutes but less than 90 minutes is 0.8099 (to 4 decimal places).

The probability of a student completing the exam in more than 60 minutes but less than 90 minutes can be calculated using the cumulative probability distribution formula. The cumulative probability of a random variable X is given by P(X≤x)=F(x).

In this case, let F(x) represent the cumulative probability of a student completing the exam in more than 60 minutes but less than 90 minutes.

F(x) = P(60<x<90) = P(X<90) - P(X<60)

Using the cumulative probability distribution formula, we can calculate P(X<90) and P(X<60).

P(X<90) = 0.9686

P(X<60) = 0.1587

Substituting these values in the equation:

F(x) = P(60<x<90) = 0.9686 - 0.1587 = 0.8099

Therefore, the probability that a student will complete the exam in more than 60 minutes but less than 90 minutes is 0.8099 (to 4 decimal places).

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A graph of the solution (4, 4) for the system of linear equations is shown in the image attached below.

In Mathematics, the x-intercept can be defined as the point at which the graph of a function crosses the x-coordinate (x-axis) and the value of "y" or y-value is equal to zero (0).

In this context, we would replace the y-value of the first equation 4x - 2y = 8 with zero (0) as follows;

4x - 2(0) = 8

4x = 8

x = 2 ⇒ (2, 0).

For the y-intercept of the first equation 4x - 2y = 8, we would substitute the x-value with zero (0) as follows;

4(0) - 2y = 8

2y = -8

y = -4 ⇒ (0, -4).

For the y-intercept of the first equation y = 3x/2 - 2, we would substitute the x-value with zero (0) as follows;

y = 3(0)/2 - 2

y = -2 ⇒ (0, -2).

By critically observing the graph of the given system of linear equations (see attachment), we can logically deduce that their solution lie at the point of intersection of the lines on the graph representing each of them, which is in Quadrant I and it is given by the ordered pair (4, 4).

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When s and t are functions, the expression for (s + t) (x) is s(x) - t(x), and the result of (s-t)(-1) is -2.

A function is an equation with just one solution for y for every x. A function produces exactly one output for each input of a certain type. Instead of y, it is usual to call a function f(x) or g(x). f(2) indicates that we should discover our function's value when x equals 2. Example. A function is a type of rule that produces one output for one input. Alex Federspiel provided the image. y=x2 is an example of this. If you enter anything for x, you will only get one output for y. Because x represents the input value, we may say that y is a function of x.

Here,

Given the functions s(x) = 5 and t(x) = 3, we can find the expressions for (s + t)(x) and (s - t)(x) as follows:

(s + t)(x) = s(x) + t(x) = 5 + 3 = 8

(s - t)(x) = s(x) - t(x) = 5 - 3 = 2

To evaluate (s - t)(-1), we simply plug in -1 for x in the expression for (s - t)(x):

(s - t)(-1) = 2

So, (s - t)(-1) = 2.

The expressions for (s + t) (x) is s(x) - t(x)  and value of (s-t)(-1) is -2 when s ad t are functions.

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A correlational result can be used to infer causation, but only when the r-value is higher than 0.

The correlation coefficient (r) measures the strength and direction of a linear relationship between two variables, with values ranging from -1 to 1. A value of 0 indicates no linear relationship between the variables, a positive value indicates a positive relationship, and a negative value indicates a negative relationship.

However, a correlation coefficient value only indicates the presence of a relationship between variables and does not imply causality. To establish causality, one needs to consider additional information, such as a plausible causal mechanism and the absence of alternative explanations.

Option A is the proper response, so.

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The arithmetic mean of the two fractions is 68/35.

The arithmetic mean can be calculated using the mentioned formula -

Arithmetic mean = sum of the numbers / frequency of numbers.

Sum of the fractions = 2/5 + 4/7

Performing division of the two numbers

Sum of the fractions = (14 + 20)/35

Sum of the fractions = 34/35

Arithmetic mean = (34/35)/2

Rewriting the average

Arithmetic mean = (34 × 2)/35

Performing multiplication on Right Hand Side of the equation

Arithmetic mean = 68/35

Hence, the Arithmetic mean is 68/35.

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The most appropriate design would be experiment. Implementation of the design would be by selection of trees, then the application of fertilizer, followed by data collection and statistical analysis.

a) Most appropriate design: Experiment

The orchard owner wants to determine if a new formula of fertilizer produces more apples per tree compared to a current popular brand. To make a causal conclusion, an experiment would be the most appropriate design. In an experiment, the orchard owner would randomly assign the trees to receive either the new fertilizer formula or the current popular brand and then compare the number of apples produced. This allows the orchard owner to control for other variables and isolate the effect of the fertilizer on the number of apples produced.

b) Implementation:

Selection of trees: The orchard owner would randomly select a sample of trees from their orchard and divide them into two groups: the experimental group (receiving the new fertilizer formula) and the control group (receiving the current popular brand).

Application of fertilizer: Both the experimental and control groups would receive the same amount of fertilizer, but the experimental group would receive the new formula while the control group would receive the current popular brand.

Data collection: The orchard owner would measure the number of apples produced by each tree in both the experimental and control groups.

Statistical analysis: The orchard owner would use appropriate statistical tests to compare the number of apples produced by each group and determine if there is a significant difference between the two.

c) Benefit:

One benefit of this experimental design is that it allows the orchard owner to determine causality. By randomly assigning the trees to receive either the new fertilizer formula or the current popular brand, the orchard owner can be confident that any difference in the number of apples produced is due to the fertilizer and not other factors. This is important for making decisions about which fertilizer to use in the future.

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Answer:

- 12(x + 2)

Step-by-step explanation:

- 12x - 24 ← factor out the common factor of - 12 from each term

= - 12(x + 2)

The correct answer is) D.  Because on the graph you can see that it increases by 25 each day which follows the equation Y=25x.

A mathematical expression is made up of a statement, at least two integers or variables, and one or more arithmetic operations. This mathematical operation enables the multiplication, division, addition, or subtraction of numbers.

Jacqueline reads 25 pages every night, as is given. After x days, Jacqueline has read the following number of pages, which is represented by y.

given that she starts with 0 pages and reads 25 pages every day.

As a result, there is a proportionate relationship between the total number of pages read and the number of days.

she reads 25 pages a night Meaning that the total number of pages Jacqueline has read (Variable Y) = 25 pages a night (x)

Therefore, On a coordinate plane, a graph titled Total Pages Jacqueline Has Read has days on the x-axis and Pages on the y-axis. A line goes through points (1, 25) and (2, 50).

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Answer:

d

Step-by-step explanation:

because

The probability of his then drawing a blue marble from his right pocket is

0.456 or 45.6 %  by using conditional probability theorem.

conditional probability, the probability that an event occurs given the knowledge that another event has occurred.

from the given information : considering for notations, let BL, BR, and WL denote drawing a blue marble from the left pocket, a blue marble from the right pocket, and a white marble from the left pocket, respectively. By the Law of Total Probability,

P(BR) = P(BL ∩ BR)+ P(WL ∩ BR)

= P(BL)P(BR|BL)+ P(WL)P(BR|WL)

= ( 5/9)(5/10) + (4/9)(4/10) = (41/90)

= 0.456

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To find out how much 75 apples would cost, we need to find out the cost per apple and then multiply that amount by 75. If 50 apples cost $25, then the cost per apple is $25/50 = $0.50. So, 75 apples would cost $0.50 x 75 = $37.50.

Answer:

$37.50

Step-by-step explanation:

$25/50=$0.50 per apple

0.50 x 75 = $37.50

The eighth term of the sequence is -2187.

A unique kind of sequence called a geometric sequence has a constant ratio between every two succeeding terms. This ratio is regarded as one of the geometric sequence's common ratios.

aₙ=a₁(r)ⁿ⁻¹

We have a geometric sequence,

1, -3, 9, -27, 81, ...

The common ratio,

r = -3/1 = -3.

And the first term is 1.

The explicit formula,

aₙ=a₁(r)ⁿ⁻¹

aₙ= (1)(-3)ⁿ⁻¹

The eighth term = (-3)⁷ = -2187.

Therefore, the eighth term = (-3)⁷ = -2187.

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According to the z table, there is a 0.3814 percent chance that such a standard normal random variable would fall between 0.3 and 3.2.

What is the probability?

The possibility of an event occurring is stated as a number between 0 and 1, where 0 indicates that the event cannot occur and 1 indicates that the event is guaranteed to occur. The probability of an event A is defined mathematically as the number of positive outcomes divided by the total number of alternative outcomes.

We must determine the likelihood that a standard normal random variable would occur with a probability between 0.3 and 3.2.

First, a standard normal random variable with a mean and standard deviation is introduced.

We must determine the likelihood that a standard normal random variable will fall within the range of 0.3 and 3.2.

The probability therefore should be

P(0.3<z<3.2)=P(z<3.2)−P(z<0.3)

Using z's typical value

P(0.3<z<3.2)=0.9993−0.6179

P(0.3<z<3.2)=0.3814

Therefore, there is a 0.3814 percent chance that a standard normal random variable would fall between 0.3 and 3.2.

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The slope of line GH that contains points G(-2, 6) and H(5, -3) is equal to: 2. -9/7.

In Mathematics, the slope of any straight line can be determined by using this mathematical equation;

Slope (m) = (y₂ - y₁)/(x₂ - x₁)

Based on the information provided, we can logically deduce the following data points on the line:

Substituting the given data points into the slope formula, we have the following;

Slope (m) = (y₂ - y₁)/(x₂ - x₁)

Slope (m) = (-3 - 6)/(5 - (-2))

Slope (m) = -9/7

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Step-by-step explanation:

Slope-Intercept form is Y = mx + b

So we have to turn 9x + 3y = -9 into that.

A ideal first step would be subtracting 9x on both sides, that would make it

3y = -9x-9

Next step would be dividing by 3 on both sides. This can get the y all alone

[tex]y = \frac{ - 9x - 9}{3} [/tex]

Since the denominator is below multiple numbers, we can separate it as so

[tex]y = \frac{ - 9x}{3} - \frac{9}{3} [/tex]

Simplifying 9/3 goes to 3/1. 3/1 is the same as 3, because any number over 1 is that number. Doing that to both will get our answer.

[tex]y = - 3x - 3[/tex]

The radius of the spherical part is 3 inches and the length of the tube is 21 cm.

The capacity of a cylinder, which determines how much material it can hold, is determined by the cylinder's volume. There is a formula for the volume of a cylinder that is used in geometry to determine how much of any quantity, whether liquid or solid, can be immersed in it uniformly.

Given that the volume when the water is fully dipped is 4554 / 7 cm³. The volume when the length is 9 cm empty is 396 cm³.

The two equations can be formed as below:-

4554 / 7 = πr²l + (2/3)πr³

396 = πr²( l - 9 ) + (2/3)πr³

Subtract the second equation from the first,

( 4554 / 7 ) - 396 = 9πr²

9πr² = 254.5

r² = 9

r = 3 cm

The length will be calculated as:-

4554 / 7 = πr²l + (2/3)πr³

4554 / 7 = π( 3 )²l + (2/3)π(3)³

l = 21 cm

Therefore, the tube's length is 21 cm, and the spherical part's radius is 3 inches.

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