The function to find the amount in dollars spent on monthly activities can be represented as: A(x) = (x - 500) * 1/4
Let x be the total monthly budget in dollars and A(x) be the function of x that determines the amount in dollars spent on monthly activities.
To find the value of A(x), we follow the steps:
First, we subtract the fixed monthly transportation cost of $500 from the total budget.
The remaining budget is then divided by 4 to find the amount spent on monthly activities.
Therefore, the function A(x) can be written as: A(x)= (x-500)/4
Thus, the function (x - 500) * 1/4 can be used to find the amount in dollars spent on monthly activities.
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Histograms based on data on _________ ______ and ________ typically are skewed to the right.
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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complete the description of the piecewise function graphed below
The description of the piecewise function y is -2x + 3.
Find the description of the piecewise function?It is necessary to optically estimate the coordinates of the points because not everything is visible (particularly for the leftmost point).
We have the following considerations, I believe:
(-6, 1.5) (-3, 3) (-3, 3)
(-3, 2) (1, 2) (1, 2)
(1, 1) (6, -9) (6, -9)
the basic function definition appears on all three segments.
y = ax + b
X is always a factor of a, which is the line function's slope.
When a point on a line moves from one end to the other, the ratio y/x shows how many units change when x moves by a specific number of units.
b represents the y-intercept, or the value of y when x = 0.
(-6, 1.5) is followed by the first part and then (-3, 3).
x is modified by +3 units (from -6 to -3).
y shifts by 1.5 or 3/2 units (from 1.5 to 3).
the line has a slope of 3/2/3, which is 3/(23) = 1/2.
supplying the initial portion
y = (1/2)x + b
When we solve for b using a single point's coordinates (for example, -3, 3), we obtain b:
3 = (1/2)×-3 + b
3 = -3/2 + b
6/2 + 3/2 = b
9/2 = b
total equation is
y = (1/2)x + 9/2 = (x + 9)/2
The second portion is a straight line with no slope at all.
y = 2
Third segment, from (1, 1) to (6, -9)
5 units are added to x. (from 1 to 6).
By, y shifts
y = -2x + 3.
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data handling
what is data handling
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 .
8x=x+35
y=8x
what is x and what is y?
The solution of the system is x = 5 and y = 40.
What is the system of equations?A simultaneous equation is anyone or more equations that can have the same number of unknowns and be solved concurrently. The system of equations is a simultaneous equation.
Given:
system of equations,
8x=x+35 {equation 1}
y=8x {equation 2}
From equation 1,
8x = x+35
7x = 35
x = 5
Substituting the value of x to the equation 2,
And y = 8(5)
y = 40
Therefore, the solution is x = 5 and y = 40.
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A t shirt vender is thinking about changing the number of tshirts he brings to an event. To make sure he doesnt run out, he plans to bring more of the size most likely to be sold
The seller ought to bring more medium-sized shirts because these are the best-selling size.
From the graph we can see that total small shirt sold = 160
Total number of sale of small shirt = 225
Now remaining shirts = Total small shirt sold/Total number of sale
Now remaining shirts = 160/225 × 100
Now remaining shirts = 71
Total medium shirt sold = 335
Total number of sale of medium shirt = 375
Now remaining shirts = Total shirt sold/Total number of sale
Now remaining shirts = 335/375 × 100
Now remaining shirts = 89
Total large shirt sold = 275
Total number of sale of large shirt = 325
Now remaining shirts = Total shirt sold/Total number of sale
Now remaining shirts = 275/325 × 100
Now remaining shirts = 85
Total X-large shirt sold = 125
Total number of sale of X-large shirt = 175
Now remaining shirts = Total shirt sold/Total number of sale
Now remaining shirts = 125/175 × 100
Now remaining shirts = 71
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The complete question is given below:
An equation 3 (2x - 7) = 3
Part A: How many solutions does this equation have?
Part B: What are the solutions to this equation? Show your work.
The solution of the equation 3(2x - 7) = 3 is x = 4 and the equation has a single solution.
How to solve equation?Equations are mathematical statements containing two algebraic expressions on both sides of an 'equal to (=)' sign.
Therefore, let's solve the equation as follows:
3(2x - 7) = 3
open the bracket
3(2x - 7) = 3
6x - 21 = 3
add 21 to both sides of the equation
6x - 21 = 3
6x - 21 + 21 = 3 + 21
6x = 24
divide both sides by 6
6x / 6 = 24 / 6
x = 4
Therefore, the equation has only one solution. The solution of the equation is x = 4.
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Help me please! (Worth 30 points!)
Question 8: A system of equations is given.
-2y = 2 - 3x
-5y = 10 - 5x
Part 1: Use elimination to solve the system of equations & show all work.
Part 2: Identify the values for x & y by filling in the blanks below.
x = ______
y = ______
The solution of the system of equation using elimination method is x = -2, y = -4
How to solve system of equations using elimination method?The elimination method is a method used to solve systems of linear equations. It involves manipulating the equations in such a way that one of the variables is eliminated, resulting in an equation in one variable that can be easily solved.
-2y = 2 - 3x --- (1)
-5y = 10 - 5x ---(2)
To eliminate y, multiply (1) by -5 and multiply (2) by -2. Then subtract the result. That is:
-5 × (-2y = 2 - 3x) => 10y = -10 + 15x
-2 ×(-5y = 10 - 5x) => 10y = -20 + 10x
.......................................................................
0 = 10 +5x
.........................................................................
0 = 10 +5x
5x = -10
x = -10/5
x = -2
put x = -2 in (1):
-2y = 2 - 3x
-2y = 2 -3(-2)
-2y = 2 + 6
-2y = 8
y = -8/2
y = -4
Thus, x = -2, y = -4
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Jeremiah’s pitcher can hold 14.5 ounces of lemonade and he plans to make 8 pitchers. If he sells ALL of the ounces he made for $0.25 per ounce, how much money will he make
1,3,8,17,31,51.....next value
The next value in the sequence is 80.
In arithmetic, what are sequences?
Sequences are ordered sequences of numbers, also referred to as "terms," such as 2,5,8. Some sequences adhere to a particular pattern that can be exploited to make them infinitely long. For instance, 2,5,8 conforms to the pattern "add 3," thus we can now proceed with the sequence. Formulas for sequences can be used to locate any term inside the sequence.
What does a mathematical series mean?
A series is the cumulative total of a given set of terms in mathematics. However, considerably more generality is possible. Typically, these phrases refer to real or complex numbers.
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A man bought a $250 suit and four shirts for $398. How much did he spend per shirt?
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.
a factory bottles 360 bottles of juice in minutes. find the factory's unit rate of bottles per minute.
A factory produces 72 bottles of juices in one minute.
Meaning of rate:
A rate is a special ratio in which two words are expressed using different units. The price is $69 for 12 ounces of corn if a 12-ounce can costs that much. This is not a ratio of two comparable units, like shirts, for example. This is a ratio between the units of cents and ounces.
We must divide the quantity of bottles produced by the time it takes to make them in order to determine the factory's production rate in bottles per minute. The factory in this instance produced 360 bottles in 5 minutes, resulting in the following production rate:
= 360 bottles / 5 minutes
= 72 bottles/minute
This means that the factory produces 72 bottles of juice per minute.
Hence, the factory produces 72 bottles of juice per minute.
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The following question may be like:
A factory bottles 360 bottles of juice in 5 minutes. Find the factory's unit rate of bottles per minute.
Given f(3)=3-|2x-5| fine f(0)+f(-4)
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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a chocolate frog costs 15 cents more than a green frog. 3 green frogs and 2 chocolate frogs cost $1.30. what does a chocolate frog cost?
A chocolate frog costs $0.35. The result is obtained by using elimination and substitution method.
Elimination and Substitution MethodTo eliminate equations, we can either add or subtract the equations. Substitution is substituting the value of one variable in the other equation.
We have
A chocolate frog costs 15 cents more than a green frog.3 green frogs and 2 chocolate frogs cost $1.30.Find the cost of a chocolate frog!
Let's say
A chocolate frog cost = AA green frog cost = BWe 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 output of a classification system is a continuous value and the output for a regression system is discrete true or false
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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Find the missing values in the ratio table 6:2 3:1 :4 15:
Answer:
Step-by-step explanation:sega
An appliance store sells an oven for 25% off the original price. The sale price is $251.85, not including tax. What is the price of the oven, including tax, before the discount is applied
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).
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A recipe for lemonade is shown. Select the two true statements about the ratios in this recipe.
Lemonade recipe
2 cups sugar
3 cups lemon juice
8 cups water
There is 14 cup of sugar for each cup of water.
There are 2 cups of sugar for each cup of water.
There are 4 cups of water for each cup of sugar.
There are 8 cups of water for each cup of sugar.
Answer:
it is There are 4 cups of water for each cup of sugar
Step-by-step explanation:
Expand to write an equivalent expression: LaTeX: -\frac{1}{2}\left(-2x\:+\:4y\right)
On expanding the expression "(1/2)(-2x + 4y)" , the equivalent expression is -x + 2y .
An expression is defined as the sentence that have a minimum of two numbers or variables and at least one math operation in it.
For Example : 2x + 3y is an expression .
The expression is : "(1/2)(-2x + 4y)" ;
By using distributive property which means that a(b+c) = ab + ac ,
we multiply by (1/2) with both the terms ;
⇒ (1/2)(-2x) + (1/2)(4y) ;
Simplifying further ,
we have ;
⇒ -2x/2 + 4y/2 ;
Further simplifying we get ⇒ -x + 2y ;
Therefore , the equivalent expression is -x + 2y .
The given question is incomplete , the complete question is
Expand to write an equivalent expression: (1/2)(-2x + 4y) .
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Which functions show a negative rate of change?
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
How do i solve this?
What is the sum in simplest form 4 1/2+1 3/5 equal
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
Can somebody help me on this?please
Freddy is building a house and has 5 loads of gravel delivered for the work. His total cost for the gravel is $1750. Which equation correctly shows the relationship between cost, C, and loads of gravel, g?
C = 310g is the equation that correctly shows the relationship between cost, C, and loads of gravel, g
What is expression?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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What is the measure of x
Answer:
x = 6.6
Step-by-step explanation:
Proportions:
6.8 ⇒ 8.2
5.5 ⇒ P
P = 8.2 * 5.5 / 6.8
P = 6.6 (Rounded to the nearest tenth)
find x and y
7x+y=17
-9x-y=-21
The value of x and y is solved in the equation 7x + y = 17 and -9x - y = -21 to get
x = 2 y = 3How to solve for x and yThe problem is a simultaneous equation of two unknowns with two equations.
The equations are formed as follows
7x + y = 17
-9x - y = -21
adding the equations will result to
-2x + 0 = -4
x = 2
substitute x = 2 into 7x + y = 17
7x + y = 17
7 * 2 + y = 17
14 + y = 17
isolating y
y = 17 - 14
y = 3
therefore x = 2 and y = 3
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A school has two types of tables: round tables with 6
seats and rectangular tables with 8 seats. For a
fundraising event, they filled the gym with 25 tables,
for a total of 190 seats.
. Use x for the number of round tables.
• Use y for the number of rectangular tables.
Write an equation for the number of tables
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.
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.
What is rate of change?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.
Student A and student B were given the following graph and asked to find the value of f(x) when x = 2. Student A gave an answer of 0 while student B gave an answer of −6. Who is incorrect? Drag and drop the correct option into each box to complete the explanation of the error.
Student A is incorrect. The student started at 0 on the y-axis, did not need to move horizontally on the graph, and so moved horizontally to 2 on the x-axis. The student should have started at 0 on the x-axis, moved horizontally to the graph, and then moved vertically to -6, which student B did.
How to obtain the numeric value from the graph?The value of x at which we want to find the numeric value of the function is given as follows:
x = 2.
Tracing a vertical line through x = 2, it will cross the graph of the function at y = -6, hence the numeric value is given as follows:
f(2) = -6.
Meaning that student B is correct.
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Formulate but do not solve the following exercise as a linear programming problem. Ace Novelty manufactures Giant Pandas and Saint Bernards. Each Panda requires 1. 5 yd2 of plush, 30 ft3 of stuffing, and 5 pieces of trim; each Saint Bernard requires 2 yd2 of plush, 35 ft3 of stuffing, and 8 pieces of trim. The profit for each Panda is $20 and the profit for each Saint Bernard is $30. If 3600 yd2 of plush, 66,000 ft3 of stuffing and 13,600 pieces of trim are available, how many of each of the stuffed animals should the company manufacture to maximize profit P in dollars? (Let x represent the number of Giant Pandas to be manufactured and y represent the number of Saint Bernards to be manufactured. ) Maximize P = 20x+30y subject to the constraints plush stuffing trim x ≥ 0 y ≥ 0
The system of equations for the stuffed animals should the company manufacture to maximize profit P in dollars is P = 20x + 30y
The term equation in math is called as an expression or a statement that comprises two algebraic expressions with the same value and are separated by an equal symbol in between them.
Here we know that we have to determine the number of each of three types of souvenirs to be made.
Here let us consider that x, y, and z denote the respective numbers of type-A, type-B, and type-C souvenirs to be made.
Here we know that the total amount of time that machine I is used is given by 2x + y + z minutes and must equal 180 minutes.
Here the known details will leads to the equation
=> 2x + y + z = 180
While we take the similar considerations on the use of machines II and III lead to the following equations which is written as
=> x + 3y+2z = 300
=> 2x + y + 2z = 240
Here we have also identified the the stuffed animals should the company manufacture to maximize profit P in dollars as,
=> P = 20x+30y
Here we know that the subject to the constraints plush stuffing trim x ≥ 0 y ≥ 0.
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Leslie's family traveled 2/7 of the distance to her aunt’s house on Saturday. They traveled 4/5 of the remaining distance on Sunday. What fraction of the total distance to her aunt’s house was traveled on Sunday?
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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