A construction company bought a new bulldozer for $125,000. The bulldozer depreciates exponentially and after 2 years the value of the bulldozer is $80,000. What is the value at year 2. 5 and 5

The graph of the quadratic function y = x² + 2x - 5 is given by the image at the end of the answer.

The domain and range are given as follows:

The domain of a function is the set that contains all the possible input values for the function, hence in the graph it is composed by the values of x of the function.

The range of a function is the set that contains all the possible output values for the function, hence in the graph it is composed by the values of y of the function.

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Answer:

Data handling refers to the process of collecting, storing, manipulating, and analyzing data. This can include tasks such as inputting data into a computer system, organizing and storing data in a database, cleaning and preprocessing data to make it usable, and performing statistical or other types of analysis on the data. It also includes visualization of data to make it more understandable. Data handling is an important aspect of many fields, such as business, science, and technology, as it allows for the efficient management and analysis of large amounts of information.

Answer:

Data handling is the process of ensuring that research data is stored, archived or disposed off in a safe and secure manner during and after the conclusion of a research project. This includes the development of policies and procedures to manage data handled electronically as well as through non-electronic means .

The length of the diagonal of the rectangle is 24cm.

The diagonal of the rectangle equals the square root of the width squared plus the height squared.

The width of the rectangle is indicated by the letter “w” and the length of the rectangle is indicated by "l".So, the diagonal of a rectangle formula is expressed as d = (l² + w²),

According to the question,

A rectangle is 22 inches long and 10 inches wide.

To observe the diagonal we use the Pythagorean Theorem:

Let, x = hypotenuse

22² + 10² = x²

⇒484 +100 =x²

⇒x = 24.14 =24

So, the length of the diagonal of the rectangle is 24cm.

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Answer:

D and C

Step-by-step explanation:

C:  Has a negative slope which will go down

D:  Has a negative slope which will also go down

If f(3) = 3 - |2x - 5| is given then the value of f(0) + f(-4) would be -8.

What is the function?

A function is a mathematical relationship between a set of inputs (also known as domain) and a set of possible outputs (also known as range). The inputs are usually represented by variables, such as 'x' in the examples you provided.

To find f(3), we need to plug in x = 3 into the equation:

f(3) = 3 - |2(3) - 5| = 3 - |6 - 5| = 3 - |1| = 3 - 1 = 2

To find f(0), we need to plug in x = 0 into the equation:

f(0) = 3 - |2(0) - 5| = 3 - |-5| = 3 - 5 = -2

To find f(-4), we need to plug in x = -4 into the equation:

f(-4) = 3 - |2(-4) - 5| = 3 - |-9| = 3 - 9 = -6

Now we can add f(0) + f(-4) = -2 + (-6) = -8

Hence, if f(3) = 3 - |2x - 5| is given then the value of f(0) + f(-4) would be -8.

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If the plant is n inches then,

the actual plant = 2n feet.

The ratio of the scale of an original thing to a new object that is a representation of it but of a different size is known as a scale factor (bigger or smaller).

Given:

The garden club at central middle school is planting a flower bed.

A scale drawing of the flower is shown.

The scale 1 in:2 ft

The scale factor,

the model = 1 inch

Then the actual plant = 2 feet.

If the plant is n inches then,

the actual plant = 2n feet.

Therefore, If the plant is n inches then, the actual plant = 2n feet.

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C = 310g is the equation that correctly shows the relationship between cost, C, and loads of gravel, g

Mathematical expressions consist of at least two numbers or variables, at least one arithmetic operation, and a statement. It's possible to multiply, divide, add, or subtract with this mathematical operation.

Given, Freddy is building a house and has 5 loads of gravel delivered for the work. His total cost for the gravel is $1750.

Since,

Cost of 5 loads of gravel is = 1750

Cost of 1 load of gravel = 1750/5

Cost of 1 load of gravel = 310$

the relationship between cost, C, and loads of gravel, g:

C = 310 * g

Therefore,  equation that correctly shows the relationship between cost, C, and loads of gravel, g is C = 310g.

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If he had $5 left to put aside for bait, he start with $2.

Let 2x be amount of money Thomas started with.

He spent spent half of what he had plus $5 at the first store.

So the expression should be x + 5.

So, we have left money = 2x - (x+5)

Left Money = 2x - x - 5

Left Money = x - 5

he spent half of what was left plus $4 in second store.

So the expression should be = (x - 5)/2 + 4

Now he has left money = 2x - [(x - 5)/2 + 4]

left money = 2x - (x - 5)/2 - 4

After solving, we get

left money = 3x/2 - 3/2

left money = 3(x-1)/2

At the third store, he spent half of the remainder plus $3.

So the expression should be = \frac{3(x-1)/2}{2} + 3

Now he has left money = 2x - \frac{3(x-1)/2}{2} + 3

Now simplifying

Left Money = 2x - 3(x-1)/4 + 3

After solving we get;

Left money = 5x/4 + 15/4

Left money = (5x+15)/4

According to question, he had $5 left. So

(5x+15)/4 = 5

Multiply by 4 on both side, we get

(5x+15) = 20

Subtract 15 on both side, we get

5x = 5

Divide by 5 on both side, we get

x = 1

He start with money 2x = 2*1 = $2

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Car 'B' travels the farthest on one gallon of gas.

From the table of the number of miles car a can drive for different amount of gas, car 'A' needs 8 gallons of gas to cover 200 miles.

So, in one gallon of gas, a car 'A' would cover 25 miles.

By unitary method we will find the remaining values.

Let a car drive 't' miles in 4 gallons of gas

Using unitary method,

t = 25  × 4

t = 100 miles

So, we can say that the rate of the number of miles driven per amounts of gas for car 'A' is 25 miles per gallon.

Car b can travel 140 miles for every 5 gallons of gas.

So, the rate for car B is 140/5 = 28 miles/gallon

And from the graph, the rate for car 'C' would be 81/3 = 27 miles/gallon

Thus, car B is the fastest.

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Find the complete question below.

Answer:

The price of the oven, including tax, before the discount is applied is $336.46. This is calculated by taking the sale price of $251.85 and multiplying that by 1.25 (which is 100% + 25% discount).

The cash received by Shamar from bank deposit ticket is (c) $908.11

When making a deposit into a bank account, a bank customer typically includes a little paper document called a deposit slip.

A deposit slip includes the date, the depositor's name, their account number, the sums being deposited, and a breakdown of the type of deposit (cash, checks, or a particular amount of cash the depositor wants back from a check deposit).

The deposit slip is evidence that the bank confirmed receiving the customer's funds.

In this problem, the total amount deposit through check or other mode is $1108.11 and $ 200 deducted by bank as processing fee.

So the final amount or cash Shamar received is

= $1108.11 - $ 200.00

= $ 908.11

The cash received by Shamar from bank deposit ticket is (c) $908.11

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If Dan Elliott uses inline banking to pay 9 bills , a printed statement , 2 out of network transactions and cash advance of $200 , then the total fees for the month is $221.45  .

The Basic monthly charge for the bank is = $6.95  ;

The cost of 1 bill payment is = $0.50 , and Dan Elliott paid 9 bills ,

So , Cost of 9 Bill payment is = 9 × 0.50 = $4.5  ;

the charge for printing the statement is = $4 ;

The Surcharge for 1 out of network transaction is = $3 , and

Dan Elliott made 2 Out of Network transactions ,

So , Surcharge for 2 Out of Network transactions = $3 × 2 = $6 ;

he also has a cash advance of $200 ;

The Total Fees can be calculated by Adding all the charges that means :

Total Fees = Basic Charge + Bill Payment + Statement + ATM Surcharge + Cash Advance Fees ;

Substituting the values :

we get ;

Total Monthly Fees = $6.95 + $4.5 + $4 + $6 + $200

= $221.45

Therefore , The total fees for the month is $221.45  .

The given question is incomplete , the complete question is

Dan Elliott uses online banking. He pays the basic monthly charge, 9 bills, and requests a printed statement. He also has ATM transactions that include 2 out of networks transactions and a cash advance of $200. 0. What are his total fees for the month ?

The Charges are as follows : Basic Monthly Charge is $6.95 ;

1 bill payment costs $0.50 ; A printed statement costs $4 ;

The Out of network Surcharge is  $3 .

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The fraction of the total distance to her aunt’s house was traveled on Sunday is  1 3/35

The term called fraction in math is defined as the number is expressed as a quotient, in which the numerator is divided by the denominator.

Here we have know that Leslie's family traveled 2/7 of the distance to her aunt’s house on Saturday and they traveled 4/5 of the remaining distance on Sunday.

Then the total distance is calculated by adding the given fraction, then we get,

=> 2/7 + 4/5

Here we have the unlike denominators find the Least Common Denominator (LCD),

LCD of 7 and 5 = 35

Now, we have to multiply numerators and denominators to get the LCD in all fraction denominators, then we get,

=> 10/35 + 28/35

=> 38/35

When we Simplifying the answer, then we get,

=> 1 3/35

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By organizing countless data points into comprehensible ranges or bins, the histogram, which resembles a bar graph in appearance, condenses a data series into an understandable visual. So Histograms based on data on housing, prices and salaries typically are skewed to the right.

A histogram in statistics is a graphic depiction of the data distribution. The histogram is shown as a collection of rectangles that are next to one another, where each bar represents a different type of data.

A branch of mathematics called statistics is used in many different fields. Frequency is the term for how often numbers appear in statistical data; it can be shown as a table and is known as a frequency distribution.

A histogram is a bar graph-like data visualization that groups various class levels into columns along the horizontal x-axis. The numerical count or percentage of occurrences for each column in the data are shown on the vertical y-axis.

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Answer:

Step-by-step explanation:sega

If Rachel found this rate of change for the scenario represented in the table.  you can conclude from her work that:

1. The function is continuous.

3. The scenario is represented by a linear function, since the rate of change is constant.

5. For every additional hour, 53 cups of juice are poured.

Rate of change can be defined as the rate in which a variable is changing as a result of another variables.

You can conclude from her work that the function is continuous, the scenario is represented by a linear function due to the fact that the rate of change is constant and lastly based on the table for every additional hour, 53 cups of juice are poured.

Therefore the correct option is 1,3,5.

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The complete question is:

Rachel found the following rate of change for the scenario represented in this table.

A 2-column table with 5 rows. Column 1 is labeled Time (hours) with entries 4, 5, 6, 7, 8. Column 2 is labeled Berries picked with entries 128, 181, 234, 287, 340.

What can you conclude from her work?

Check all that apply.

The scenario is represented by a linear function,

since the rate of change is constant.

The scenario is represented by a nonlinear function,

since the rate of change is constant.

The berries are picked at a constant rate of 53 per

hour.

The berries are not picked at a constant rate.

A chocolate frog costs $0.35. The result is obtained by using elimination and substitution method.

To eliminate equations, we can either add or subtract the equations. Substitution is substituting the value of one variable in the other equation.

We have

Find the cost of a chocolate frog!

Let's say

We rewrite the problem mathematically.

A = 15 cents + B ... (equation 1)

3B + 2A = $1.30 ... (equation 2)

We know that $1 = 100 cents. Multiplied by 2, the equation 1 will be

2A = 30 cents + 2B

2A = $0.3 + 2B ... (equation 3)

We eliminate the equation 1 and 3.

3B + 2A = $1.30

2A - 2B = $0.3 _

5B = $1.0

B = $0.2

We substitute the value of B in equation 3.

2A - 2B = $0.3

2A - 2($0.2) = $0.3

2A - $0.4 = $0.3

2A = $0.7

A = $0.35

Hence, the cost of a chocolate frog is $0.35.

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The descriptive measure of dispersion that is based on the concept of a deviation about the mean is the standard deviation.

The sum of all values divided by the total number of values determines the mean (also known as the arithmetic mean, which differs from the geometric mean) of a dataset. The term "average" is frequently used to describe this measure of central tendency.

The method of measuring dispersion most frequently employed is the standard deviation (SD). It is a measurement of data spread around the mean. The SD is calculated by multiplying the total squared departure by the mean by the total number of observations.

Variance is a measure of dispersion that, in contrast to the range and interquartile range, accounts for the spread of all data points in a data collection. Along with the standard deviation, which is just the square root of the variance, it is the measure of dispersion that is most frequently employed.

Therefore, although Mean, Mode, and Median are the measures of central tendency, Standard Deviation, Variance, and Range are measures of dispersion.

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To represent the number of boxes sold when the total sales are equal to $1600 on a number line, we can simply mark the x-coordinate of the point (420,1600) on the number line.

The point of intersection between the horizontal line y = 1600 and the graphed function b) = 3.756 + 25x is (420,1600), which means Alan would have to sell 420 boxes to make $1600 in total sales.

To represent the number of boxes sold when the total sales are equal to $1600 on a number line, we can simply mark the x-coordinate of the point (420,1600) on the number line. To the left of this point, the number of boxes sold would be less than 420, and to the right of this point, the number of boxes sold would be more than 420. At the point (420,1600), Alan would have sold exactly 420 boxes and made a total of $1600 in sales.

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Answer: 6.1 or 6 1/10

Step-by-step explanation:

4+1 = 5

1/2 + 3/5 = 5/10 + 6/10

5/10 + 6/10 = 11/10

11/10 = 1 1/10

1 1/10 + 5 = 6.1 or 6 1/10

335 students of fourth graders voted for the Falcon.

A fraction represents a part of a whole or, more generally, any number of equal parts. When spoken in everyday English, a fraction describes how many parts of a certain size there are, for example, one-half, eight-fifths, three-quarters. Similar to real numbers and whole numbers, a fractional number also holds some of the important properties. They are:

  Commutative and associative properties hold true for fractional       addition and multiplication

Using proportions, it is found that 335 students voted for the Falcon. In total, 536 students voted for a mascot. The proportion that voted for the Falcon is 5/8 of the total number of students. To find the number of students that voted for the Falcon, we multiply the proportion of 5/8 by the total of 536, thus: 335 students voted for the Falcon.

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Answer:

Step-by-step explanation:

To find out how much the man spent per shirt, you need to divide the total cost of the shirts by the number of shirts.We know that the man spent $250 on the suit and $398 on the four shirts. To find the total cost of the shirts, you can add these two amounts:$250 + $398 = $648To find the cost per shirt, you need to divide the total cost of the shirts by the number of shirts:$648 / 4 = $162So the man spent $162 per shirt.

Answer:

x intercept = 1.66666...

y intercept = 2.5

The x intercept is approximate. The 6's go on forever. The y intercept is exact without any rounding done to it.

======================================

Explanation:

Plug in y = 0. Then solve for x to get the x intercept.

3x+2y = 5

3x+2*0 = 5

3x = 5

x = 5/3

x = 1.66666...

The 6's go on forever.

------------------

Plug x = 0 into the equation and solve for y. This will get us the y intercept.

3x+2y = 5

3*0+2y = 5

0+2y = 5

2y = 5

y = 5/2

y = 2.5

This value is exact without any rounding

A) The slope of the line is 2.

B) the linear equation is y = 2x - 7

C) y-intercept = -7

   x-intercept = 3.5

A general linear equation can be written as:

y = m*x + b

Where m is the slope.

If the line passes through two points (x₁, y₁)and (x₂, y₂), then the slope is:

m = (y₂ - y₁)/(x₂ - x₁)

In this case these points are (-3, 7) and (2, -3), then the slope is:

m = (-3 - 7)/(2 + 3) = 2

Then the line is something like:

y = 2x + b

To find the value of b we can replace the values of the point (2, -3), we will get:

-3 = 2*2 + b

-3 - 4 = b

-7 = b

y = 2*x - 7

C) the y-intercept is the value of y when x = 0.

y = 2*0 - 7

y = -7

The x-intercept is the value of x when y = 0.

0 = 2*x  -7

7 = 2x

7/2 = x

3.5 = x

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The lowest amount in pounds that Noah can pay to purchase pencils is ≥ 16.8 pounds.

The unitary method is a technique for solving a problem by first finding the value of a single unit, and then finding the necessary value by multiplying the single unit value.

Given that, Noah wants to buy exactly 84 pencils.

Pack of 10 pencils for 2 pounds.

So, the cost of each pencil is 2/10 =0.2 pounds

Then the cost of 84 pencils is

8 packs + 4 pencils

= 8×2+4×0.2

= 16+0.8

= 16.8 pounds

So, the cost of 84 pencils ≥ 16.8 pounds

Therefore, the lowest amount in pounds that Noah can pay to purchase pencils is ≥ 16.8 pounds.

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The point where he  buried his treasure is (6.28,9.84)

First of all, we are going to find the equation of the line which describes the first path crossed by the horseman.  In order to find it we have to take into account that the vector V  provides us with the direction of this path. We can associate the direction with the slope of the line. The slope is defined by the ratio of vertical changes to horizontal changes between two points.  

According to the V=6i+5j, we can determine that:

Vertical change (y)= 5

Horizontal change (x)=6

Slope=\frac{5}{6}

Now, using the point-slope form:

y-y₁=m(x-x₁)

The chosen point is the point where the horseman began riding (-2,5). Therefore:

m=5/6

y1=5

x1=-2

y-5=5/6(x+2)

y=5x/6-10/3

Since the horseman at some point turned at a right angle towards village B  and he unchanged his direction until arrived in village B, the second path must be described by a line perpendicular to the first path.  

We should know that two lines are perpendicular if and only if their slopes are negative reciprocals This means m1*m2=-1

m₁=5/6

m₂=-1/m₁=-6/5

In order to find the equation of the second path, we will use again the point-slope form.

The chosen point is the point where is located Village B (2,11)

y-11=-6/5(x-2)

y=-6x/5+13.4

The coordinates of the point where the horseman buried a jar full of silver coins correspond to the intersection of path 1 and path 2. Therefore we are going to equal the two equations of each path.

5x/6-10/3=-6x/5+13.4

Solving this equality for x

X=6.28

Replacing this value in any of the equations of the paths

Y=9.84.

Finally, the point where he buried his treasure is (6.28,9.84).

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The output of a classification system is usually a discrete value, usually a label or class, which represents the predicted result of the model.

A classification system can be expressed mathematically using a decision boundary. This boundary is defined by a decision function that maps the input data to a discrete output. The decision boundary is determined by setting a threshold for the output of the decision function, such that if the output exceeds the threshold, the predicted class is labeled as a "positive" output and if the output is below the threshold, the predicted class is labeled as a "negative" output.

The output of a regression system is usually a continuous value, which represents the predicted result of the model. A regression system can be expressed mathematically using a linear equation which maps the input data to a continuous output. The equation is determined by fitting a line to the data, such that the line best fits the data points. The value of the output is then calculated by evaluating the equation at a given point in the input data.

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