a model of a car is 4 inches long. if the actual car is 10 feet long, find the scale of the model. a. 4 in

Answer:

A = $8,725.58

P (principal) = $8,500.00

I (interest) = $225.58

Step-by-step explanation:

First, convert R as a percent to r as a decimal

r = R/100

r = 5.25/100

r = 0.0525 rates per year,

Then solve the equation for A

A = P(1 + r/n)nt

A = 8,500.00(1 + 0.0525/12)(12)(0.5)

A = 8,500.00(1 + 0.004375)(6)

A = $8,725.58

Summary:

The total amount accrued, principal plus interest, with compound interest on a principal of $8,500.00 at a rate of 5.25% per year compounded 12 times per year over 0.5 years is $8,725.58.

The length of the air strip is 451feet.

Perimeter is the sum of length of the sides used to made the given figure. A regular figure with n-sides has n equal sides in it, and they are the only parts of it(that means, nothing more than those equal lengthened n sides).

Given in question;

Perimeter= 8876feet

Let the length be x;

and the width be y;

Now, length will be x= 10+35y

Perimeter of rectangle= 2l+2b

8876=2(10+35y)+y

8876=20+700y+y

y=12.6

x=10+35y

x=451;

Hence, the answer by the given perimeter will be 451feet.

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The steps that she could use to solve the quadratic equation are determined as:

ax2+bx+c=0, with a not, equals 0 is a quadratic equation, which is a second-order polynomial equation in a single variable. It has at least one solution because it is a second-order polynomial equation, which is guaranteed by the algebraic fundamental theorem. The answer could be simple or complicated.

The solution to the quadratic equation is determined as follows;

2x² + 12x - 3 = 0

2x² + 12x = 3

divide through by 2

x² + 6x = ³/₂

take half of the coefficient of x, square it and add it to both sides of the equation

(x + 3)² = ³/₂ + 3²

x² + 6x + 9 = 9 + ³/₂

2(x² + 6x + 9) = 18 + 3

Thus, the steps that she could use to solve the quadratic equation are determined as 2(x² + 6x + 9) = 18 + 3 and then (x + 3)² = 21/2.

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Complete question:

Inga is solving 2x2 + 12x – 3 = 0. Which steps could she use to solve the quadratic equation? Check all that apply.

The vector is given by  (1,4) and (1,4) for the given 2 conditons

A vector is a mathematical object that has both magnitude and direction. In physics, vectors are used to represent quantities such as velocity, force, and acceleration. In mathematics, vectors can be represented by an ordered list of numbers (also known as components or coordinates) that specify the magnitudes of the vector in different directions. Vectors can be added, subtracted and multiplied by scalars. They also have properties such as dot and cross product. Vectors can be represented graphically as directed line segments. They are used in various fields like physics, engineering, computer science etc.

Part 1:

The vector is given by (final -initial)

=> (5-4 , 6-2)

=> (1 , 4)

Part : 2

The 2nd vector is given by (final - initial)

=> (3-2 , 8-4)

=> (1 , 4)

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The correct response to the equation 24 ÷ 6 x 2 is 8. As a result, Daniel is right whereas Shane is wrong.

In mathematics, there are certain principles for simplifying various expressions or equations. As a result, 8 is the correct answer since it satisfies to the BODMAS rule. In which case, division comes before multiplication and must come before addition.

In this statement, divide comes first, therefore 24 will be divided by 6, then the result of division will be multiplied by 2 to provide an answer of 8.

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The 18th term of the sequence is -83, the correct option is C.

An arithmetic sequence is sequence of integers with its adjacent terms differing with one common difference.

If the initial term of a sequence is 'a' and the common difference is of 'd', then we have the arithmetic sequence as:

a, a + d, a +  2d, ... , a + (n-1)d, ...

Its nth term is

T_n = a + (n-1)d

(for all positive integer values of n)

And thus, the common difference is

T_{n+1} - T_n

for all positive integer values of n

Given:

The sequence=19,13,7,1...

n=18

D= 13-19

D= 6, a= 19

Now,

=a + (n+1)d

=19+(18-1)x-6

=-83

Therefore, the 18th term of the sequence will be -83

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Yes, this is true. If two multiplicative sets s and t yield localizations with the same primes, then the two localizations are the same, since the same prime ideals are being used to define the two localizations.

Yes, this is true. If two multiplicative sets s and t yield localizations with the same primes, then the two localizations are the same, since the same prime ideals are being used to define the two localizations.

Thus, the two sets s and t have the same saturation since they yield the same localization.

If two multiplicative sets s and t yield localizations with the same primes, then the two sets s and t have the same saturation since they yield the same localization.

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The angles of rotation symmetry for the flower are:

B. 90 degrees  

D. 180 degrees  

F. 270 degrees

A shape with a rotation symmetry will look the same, after the rotation also.

The order of symmetry is the number of rotations that can be applied to a figure while maintaining its original appearance.

From the image of the flower (image attached at the end of solution), we can see that the lines that pass through the origin of the flower are perpendicular.

The perpendicular lines will form the degrees of 90.

This means that 90 degrees of rotation will produce symmetry for the flower.

Other angles that produce symmetry must be multiples [tex]90^{\circ}[/tex].

These angles are:

[tex]\theta=90^{\circ}, 180^{\circ}, 270^{\circ}, 360^{\circ}[/tex].

Here we have [tex]90^{\circ}, 180^{\circ}, 270^{\circ}[/tex] options

Hence, (B),  (D), and (F) are the correct options.

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A positive cation and a negative anion makes ionic compound. So both the ions i.e cation and anions are open.

Membrane potential is a potential gradient that forces ions to passively move in one direction: positive ions are attracted by the 'negative' side of the membrane and negative ions by the 'positive' one. Generally Voltage gated channels- open and close in response to changes in the voltage or membrane potential; involved in generating action potentials. As stars and triangles represents the cations and anions both channel types are open to lead the most positive membrane potential.

Therefore , both the channel types ( triangle and star ) are open to lead the most positive membrane potential.

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We have an option that says in 2 simulated samples of 25 spins, the proportion of heads is .7 and that would be our best option(d).

A student decides to spin a dim and determine the proportion of times it's lands on heads and the student spins the time 25 times and records that it lands on heads 17 times. So we have a leads on head of 17 out of 25,

So, probability 17/25 =0.68

Let p be the true proportion of times that time would land on heads 1 spun and under this assumption, p is going to be 0.5 simulated proportions for samples of size.

25 are shown to us in a dot plot. So, I'm assuming you can see your dot plot and when you look at the dot plot, you can see that again, each 1 of those dots represents a simulation of sample size, 25 . So basically, almost think of it like 100 different experiments where we did. This 25 times,

so, the question is using the dot plot. What do the 2 dots above .70 represent?

We have an option that says in 2 simulated samples of 25 spins, the proportion of heads is .7 and that would be our best option(d).

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True. Collaborating with a social scientist can help identify and address potential sources of bias in data, allowing for more accurate and meaningful results.

Collaborating with a social scientist to provide insights into human bias and social contexts is an effective way to avoid bias in data. Social scientists can help identify and address potential sources of bias in data, allowing for more accurate and meaningful results. This can be done in several ways. Firstly, they can help identify potential sources of bias, such as demographic variables, cultural norms, and other external factors that may affect the data. Secondly, they can help devise strategies to counter the potential sources of bias. For example, they can suggest methods of incorporating diverse perspectives into the data collection process, or of analyzing data in a way that takes into account the potential effects of bias. Finally, they can provide insights into how social contexts can shape the interpretation of data, and can help ensure that any conclusions drawn from the data take into account the complexity of the social environment. By collaborating with a social scientist, researchers can help ensure that their data is free from bias, allowing for more meaningful and accurate results.

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The interest earned by the investment of $8,000 at an annual simple interest rate of 4% for 10 years is $3,200.

The simple interest method is a system that does not accumulate interest on interest.d

The simple interest system is unlike the compound interest system.

The formula for computing the simple interest is principal x rate x time.

Initial deposit = $8,000

Interest rate = 4%

Investment period = 10 years

Interest system = simple interest

Simple interest = P x R x T

= $8,000 x 4% x 10

= $3,200

Thus, the investment will earn a total interest of $3,200.

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Positively Skewed: A positively skewed distribution is one that has a long tail in the positive direction (to the right).

The mean is usually greater than the median, and the data points are concentrated on the left side of the graph. To calculate the skewness of a distribution, we use the formula: skewness = (mean – median) / standard deviation. In the case of the histogram, the mean is greater than the median, and the skewness is therefore positive.

Symmetric: A symmetric distribution is one that is perfectly centered around the mean and has equal amounts of data points on either side of the mean. In the histogram, the data points are not perfectly centered around the mean, so this term does not apply.

Uniform: A uniform distribution is one that has all the data points clustered around the same value. In the case of the histogram, the data points are spread out across a wide range, so this term does not apply.

Unimodal: A unimodal distribution is one that has a single peak. In the case of the histogram, the data points are spread out across a wide range, so this term does not apply.

Bimodal: A bimodal distribution is one that has two peaks. In the case of the histogram, the data points are spread out across a wide range, so this term does not apply.

Negatively Skewed: A negatively skewed distribution is one that has a long tail in the negative direction (to the left). The mean is usually less than the median, and the data points are concentrated on the right side of the graph. To calculate the skewness of a distribution, we use the formula: skewness = (mean – median) / standard deviation. In the case of the histogram, the mean is less than the median, and the skewness is therefore negative.

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Answer:

Step-by-step explanation:

10x - 30 + 8 - 2x = x + 2x - 22

8x - 22 = 3x - 22

-3x          -3x

5x-22=-22

    22 22

5x=0

/5  /5

x=0?

The answer to the true and false questions are given below:

Coordinates of L = (-1, -3)

M= (1, 3)

N = (1, -3)

Coordinates of F = (2, 6)

G= (3, 9)

H= (3, 6)

To find the distance b/w the points:

\sqrt(x2-x1)^2 + (y2 -y1)^2)

MN/NL =3

GH/HF = 3

Hence, it is true.

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The particle's average acceleration between (1,3) and (3,3) is 0 m/s2.

The ordinate is the distance of a point from the x-axis scaled with the y-axis. Coordinates are the abscissa and ordinate combined. The study of algebraic equations on graphs is known as coordinate geometry. Plotting points, lines, and curves on an x and y axis is an example of coordinate geometry. Make corrections. Coordinates are a pair of numbers that are used to locate a point or shape in a two-dimensional plane. A point's position on a 2D plane is defined by two numbers called the x-coordinate and the y-coordinate.

Here,

A= velocity/time

Points: ( 1,3) (3,3)

Velocity: 3-3=0

Time: 3-1=2

0/2= 0 meters/seconds^2

The average acceleration of the particle over the interval (1,3) and (3,3) is 0 m/s^2.

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Complete question:

What is the average acceleration of the particle within the time interval 1 second to 3 seconds? A. -1 meter/second2 B. 0 meters/second2 C. 1 meter/second2 D. 1.5 meters/second2 E. 2 meters/second2

This is the Law of Sines, which is one of the main formulas used in trigonometry to calculate the length of sides and angles of a triangle.

sin 15° 2 = bc = sin 105° c

2/sin 15° = bc/sin 105°

bc = (2/sin 15°)sin 105°

bc = 2.68 cm

bc ≈ 2.7 cm

sin A a/ac = sin B b/bc

sin(15°)2/2 = sin(105°)b/b

b = 2 sin(105°)

b = 2.99 cm

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Answer:

x=54°

Explanation step by step

The sum of angles of a Pentagon is 5

from the question Pentagon is given an angles of

75°, 62°, 68°, and 101°

Let the other angle of Pentagon be x.

The measures of the last exterior

=x+75° +62° +68° +101° = 360°.

Note: the sum of exterior angle add up to 360°

306° + x = 360°

x = 360° - 306°

x = 54°.

Correct answer is :- Voluntary response sample

'What is Voluntary response sample?'

A sample made up of people who have voluntarily decided to take part in the sample group is known as a voluntary response sample.

Those who want to participate in a voluntary response sample typically do so because they are passionate about the topic of the survey. This is why voluntary response samples frequently produce results that are considerably biased, as the majority of participants will have strong opinions on the subject. The ease of joining the survey is another factor in people's participation.

An example would be a TV show host asking his audience to visit his website and participate in an online survey.

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Answer: a. To find the slope and y-intercept of the linear equation, we need to write it in slope-intercept form (y = mx + b). To do this, we can add 10y to both sides and divide both sides by 10 to get:

y = -559x/10 - 2701/10

y = -55.9x - 270.1

The slope of the equation is -55.9, and the y-intercept is -270.1

b. The slope of a linear equation is the rate of change of the dependent variable (y) with respect to the independent variable (x). In this context, the slope of -55.9 means that for every year after 2012, the number of people employed as registered nurses is expected to decrease by 55.9 thousand.

c. The y-intercept of a linear equation is the point where the line crosses the y-axis. In this context, the y-intercept of -270.1 means that in 2012, there were expected to be 270.1 thousand people employed as registered nurses.

Step-by-step explanation:

The Fundamental Theorem of Calculus (FTC) has two parts: Part 1 and Part 2.

Part 1 (The Antiderivative Part) states that if f is a continuous function on an interval [a, b], then there exists an antiderivative F of f on [a, b], meaning that F'(x) = f(x) for all x in [a, b].

This means that given a function, we can find a new function that when differentiated, returns the original function.

Part 2 (The Evaluation Part) states that if F is an antiderivative of f on [a, b], then the definite integral of f over [a, b] can be calculated as the difference of the values of the antiderivative F evaluated at the endpoints, i.e., ∫_a^bf(x)dx = F(b) - F(a).

This means that we can evaluate the definite integral of a function by finding its antiderivative and evaluating it at the endpoints of the interval.

Part 1 is used to find antiderivatives, while Part 2 is used to evaluate definite integrals. They are complementary and are used in tandem to solve problems involving integration.

A real-world example that involves Part 2 of the FTC is the calculation of the total distance traveled by a moving object. If the velocity of the object is given as a function of time, we can use the FTC to calculate the total distance traveled by finding the definite integral of the velocity function over the time interval and evaluating it at the endpoints. The result is the difference between the final and initial positions of the object.

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Answer:

2

Step-by-step explanation:

26/13=2

Answer:

2

Step-by-step explanation:

26-13=13-13=0

Answer:

It means Progressing

In Progress

Step-by-step explanation:

Answer: 57°

Step-by-step explanation:

Because the angle has a bisector ON, we should be able to add the angles together to collectively equal 106. This will help us to find c, so then we can solve <LOM.

(10c-23) + (-3c+73) = 106

Now combine like terms of the left side of the equation

7c + 50 = 106

get the variables alone on one side of the equation

7c = 56

c = 8

Now, plug in c to the equation for the degree of <LOM to solve

10(8) -23 = 80 - 23 = 57°

Hope this helps!

The slope equals the rise divided by the run: . You can determine the slope of a line from its graph by looking at the rise and run.

A line has the property that its slope remains constant throughout. Therefore, you may determine the slope by selecting any two points along the line's graph.

The definition of slope in mathematics is pretty close to how we normally define it. Slope is a mathematical term used to indicate a line's steepness and direction. A line's slope can be inferred from its graph alone, especially in relation to other lines plotted on the same coordinate plane.

slope=rise/run.

The ratio of the change in the y-value to the change in the x-value can also be used to determine slope. For instance: Given two points on the line, P = (0, -1) and Q = (4,1), we may compute

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The amount of pure acid in the solution is 109.2ml. The solution has been obtained using the concept of proportion.

What is proportion?

When a ratio is expressed as a/b and two ratios are equal, the expression is a proportion. A and B can be any two integers in this case. Understanding many ideas in mathematics and science requires a solid understanding of ratios and proportions.

According to the direct proportion formula, we can state y = kx given a constant k if the quantity y is directly proportional to the quantity x. The direct proportion equation also has a generic form, which is y = kx.

Let 'x' ml be the quantity of pure acid in the solution.

We are given that we have 780 ml of a 14% solution

This means that 780ml is 100%.

So, using proportion:

⇒780/x= 100/14

⇒780*14/100=x

⇒109.2ml = x

Hence, the amount of pure acid in the solution is 109.2ml.

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Answer:

60

Step-by-step explanation:

Calculate the sum or difference

12^2 x 5 / 12

Cancel out the common factor 12

12 x 5
Multiply the numbers

60

Solution:

60

Hope this helps!! <3

The surface area of the rectangular prism is: 312 ft².

The surface area of rectangular prism can be calculated using the formula that is given as:

Surface area (SA) = 2(w * l + h * l + h * w), where l is the length, w is the width, and h is the height of the rectangular prism.

Given the following dimensions of the rectangular prism as:

length (l) = 12 ft

width (w) =  3 ft

height (h) = 8 ft

Therefore:

Surface area of the rectangular prism = 2*(3 * 12 + 8 * 12 + 8 * 3) = 312 ft²

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On solving the provided question, we can say that n this parallelograms (2x+1)+(x+5) =180 => x = 58

A parallelogram is a straightforward quadrilateral in Euclidean geometry that has two sets of parallel sides. In a particular kind of quadrilateral known as a parallelogram, both sets of opposite sides are parallel and equal. There are four different kinds of parallelograms, including three unique kinds. Parallelograms, squares, rectangles, and rhombuses are the four different shapes. Having two sets of parallel sides makes a quadrilateral a parallelogram. In a parallelogram, the opposing sides and angles are both the same length. On the same side of the horizontal line, the interior angles are additional angles as well. 360 degrees is the total number of interior angles.

here,

in this parallelograms

2x = 1 and x+5

so, (2x+1)+(x+5) =180

3x + 6 = 180

3x = 174

x = 58

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The argument of the complex number z = 1 - i is approximately -0.785 radians.

What is the argument in complex numbers?

In complex numbers, the argument (also called the amplitude or angle) of a complex number is the angle that the complex number makes with the positive x-axis in the complex plane. It is usually expressed in radians and is denoted by arg(z).

Given a complex number z = 1 - i, the argument of z can be found using the inverse tangent function (atan). In this case, we want to find the angle θ such that tan(θ) = (imaginary part of z) / (real part of z):

θ = atan((-1) / 1) = -π/4 radians

Hence, the argument of the complex number z = 1 - i is approximately -0.785 radians.

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