This type of data is cross-sectional data.
In statistics and econometrics, cross-sectional data, or a cross-section of a study population, is a type of data gathered by monitoring numerous subjects (such as individuals, firms, countries, or regions) at one point or throughout the course of time. It's also possible that the analysis disregards variations in time. Cross-sectional data analysis often entails contrasting the variations among pre-selected respondents.
Time series data, in which the same small-scale or aggregate entity is seen multiple times in time, differs from cross-sectional data. A different kind of data called panel data (also known as longitudinal data) combines the concepts of cross-sectional and time series data and examines how the topics (firms, people, etc.) develop throughout a time series. Panel data differs from cross-sectional data that has been pooled over time.
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A water sample shows 0. 097 grams of some trace element for every cubic centimeter
of water. Ayden uses a container in the shape of a right cylinder with a diameter of
16. 8 cm and a height of 10. 8 cm to collect a second sample, filling the container all
the way. Assuming the sample contains the same proportion of the trace element,
approximately how much trace element has Ayden collected? Round your answer to
the nearest tenth.
Adam has gathered 232.32 g of trace elements, which are contained in a cylindrical container with a radius of 8.4 cm and a height of 10.8 cm.
Radius of the cylinder 8.4 cm
Height of the cylinder = 10.8 cm
Volume of the cylinder = π r² h
When we change the values in the formula, we obtain:
V = π (8.4 cm)² (10.8 cm)
V = 22 / 7 (70.56 cm²) ( 10.8 cm)
V = 2395.008 cm³
Presence of particle = 0.097 g for every cm³
The element's trace for 2395.008 cm3 will be:
= 2395.008 × 0.097 g
= 232.315776 g
As a result, Adam has gathered 232.32 g of trace elements in the cylindrical container with a radius of 8.8 cm and a height of 15.9 cm.
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Solve the system by substitution.
-2x-10y=
−2x−10y=
\,\,-2
−2
-4y=
−4y=
\,\,x
x
The solution of the system of equations:
-2x - 10y = -2
-4y = x
is the point (-4, 1).
How to solve the system of equations?Here we want to solve the system of equations below:
-2x - 10y = -2
-4y = x
By the substitution method, to do so, we need to isolate one of the variables in one of the equations and then replace that in the other equation.
We can see that x = -4y is already isolated on the second equation, then we can replace this on the first one to get:
-2*(-4y) - 10y = -2
We can solve this for y.
8y - 10y = -2
-2y = -2
y = -2/-2 = 1
And thus, the value of x is:
x = -4y
x = -4*1 = -4
The solution of the system is (-4, 1).
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Help me pls it’s due tomorrow and pls have a explanation!!
Answer:
Okay so the answer would be 8 cups
Step-by-step explanation:
the reason this is is because if you combine the cups its 2 2/3 so then all you have to do is multiply it by 3 and then your answer is 8 cups of sugar
which is the equation of the line with slope 3 and y-intercept 5
Answer:
y=3x+5
Step-by-step explanation:
an equation is always
y= slope*x + intercept so y=3x+5
suppose a number is chosen at random from the set {0,1,2,3,...,501}. what is the probability that the number is a perfect cube? the probability of choosing a perfect cube is
The probability of choosing a perfect cube is [tex]\frac{7}{502}[/tex] .
According to the question,
Suppose a number is chosen at random from the set {0,1,2,3,...,501}.
Cube of 1=1
Cube of 2=8
Cube of 3=27
Cube of 4=64
Cube of 5=125
Cube of 6 = 216
Cube of 7 = 343
Cube of 8 = 512
So in a set of members {0,1,2,3,... 501}, only 7 numbers are a cube of a natural number: 1,8,27,64,125,216,343.
The probability of selecting cubes in a set of members {0,1,2,3,... 501} is
= [tex]\frac{7}{502}[/tex]
So, the probability is [tex]\frac{7}{502}[/tex] .
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solve 3x≤-5/4 as a inequality
Answer:
Inequality Form:
x ≤ −5/12
Interval Notation:
(−∞, −5/12]
Step-by-step explanation:
Part C: Suppose Union City Bakery sells 3 batches of muffins for $10. 0. Palisade Bakery sells 20 muffins for $6. 25. Which bakery has the better buy? Show
work and explain your reasoning.

Palisade Bakery is a better buy than Union City Bakery.
To determine which bakery has the better buy, we need to calculate the cost per muffin at each bakery. It is determined by dividing the total cost by total number of muffins. Assuming one batch has ten muffin as not mentioned.
Union City Bakery: $10.00 / 3 batches = $3.33 per batch (approx)
= $3.33/ 10
= $0.33 per muffin
Palisade Bakery: $6.25 / 20 muffins = $0.31 per muffin
Based on this calculation, Palisade Bakery has the better buy as each muffin costs $0.31, which is cheaper than the cost per muffin at Union City Bakery, which is approximately $0.33 per muffin.
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A restaurant manager recorded the number of people who attended her food festival and their favorite food items. She then created the following bar chart:
Bar chart with Title Favorite Food Item and x-axis labeled Food with values of Pasta, Pizza, Burgers, and Tacos and y-axis labeled Number of People with values 0 to 70. Pasta bar going up to 20, Pizza bar going up to 40, Burgers bar going up to 60, Tacos bar going up to 50.
Which of the following statements best compares the heights of the bars of the bar chart?
There are twice as many people in the Taco group as in the Pasta group.
There are 3 times as many people in the Burgers group as in the Pasta group.
There are more people in the Burgers group than in the Pasta and Tacos combined.
There are more people in the Tacos group than in the Pasta and Pizza groups combined.
A statement which best compares the heights of the bars of the bar chart include the following: B. There are 3 times as many people in the Burgers group as in the Pasta group.
How to determine the true statement?In order to better understand and compare number of people who attended her food festival and their favorite food items, we would take note of the following important information;
Pasta bar going up to 20.Pizza bar going up to 40.Burgers bar going up to 60.Tacos bar going up to 50.Based on the information provided above, we can reasonably and logically deduce that the rectangular bar representing Burgers bar with a numerical value of 60 is three times as tall as the rectangular bar representing Pasta bar with a numerical value of 20.
Burgers bar = 20 × 3
Burgers bar = 60 people.
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Answer: B. There are 3 times as many people in the Burgers group as in the Pasta group.
Step-by-step explanation: <3
You invest $300 in an account that has a annual interest rate of 6%, compounded quarterly for four years. What is the equivalent interest rate, and how many times will the money be compounded?
A) 6. 7% and 16 times
B) 1. 5% and 1 time
C) 1. 5% and 16 times
D) 6. 7% and 4 times
Please Answer!
The correct answer for equivalent interest rate and no. of times will the money be compounded is C) 1.5% and 16 times respectively.
The annual interest rate of 6% is equivalent to a quarterly interest rate of 6% / 4 = 1.5%. The money will be compounded quarterly, so it will be compounded 16 times in total over 4 years.
Compound interest is computed as interest on the initial principal plus any accrued interest from prior periods. Money multiplies more quickly thanks to compounding, and the more compounding periods there are, the higher the compound interest will be.
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{BRAINLIEST} Skillbuilder Applet Exercise simulates taking a sample of size 10 from a population of 100 college students. Take a sample of size 10.
a. What is the population?
b. Is the population finite or infinite?
c. Name two parameters and give their values.
d. What is the sample?
e. Name the two corresponding statistics and give their values.
f. Take another sample of size 10.Which of the items above remain fixed and which changed?
Answer:
a. The population is 100 college students.
b. The population is finite.
c. Two parameters and their values:
The total population size: 100
The sample size: 10
d. The sample is a group of 10 college students chosen from the population of 100.
e. Two corresponding statistics and their values:
The sample proportion: This is the proportion of individuals in the sample who have a certain characteristic (e.g. majoring in a certain subject). It is calculated by taking the number of individuals with the characteristic and dividing by the sample size. Its value would be different for each sample of size 10 taken.
The sample mean: This is the average of the measurements for the individuals in the sample. It is calculated by summing up the measurements and dividing by the sample size. Its value would be different for each sample of size 10 taken.
f. When another sample of size 10 is taken, the population and its size remains fixed but sample proportion and sample mean would change.
Step-by-step explanation:
5 units right and 2 units up pre image, and image
The translation rule that defines a translation 5 units right and 2 units up is given as follows:
(x,y) -> (x + 5, y + 2).
What is a translation?A translation is a movement to a graph or figure in which only the position of the figure changes, either left, right, up or down, keeping the inclination, orientation and congruence.
The translations are represented as follows:
Left a units: x -> x - a.Right a units: x -> x + a.Up a units: y -> y + a.Down a units: y -> y - a.More can be learned about translations at brainly.com/question/28174785
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Find MP.
J
M,
K
DO
3x + 14
O 9x-34
L
The length of the segment MP is 38 units
How to determine the length MPFrom the question, we have the following parameters that can be used in our computation:
The triangle
On the triangle, we have
9x - 34 = 3x + 14
Evaluate the like terms
6x = 48
Divide by 6
x = 8
Given that
MP = 9x - 34
We have
MP = 9 * 8 - 34
Evaluate
MP = 38
Hence, the length of MP is 38 units
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A sari-sari store sells two types of detergent powder. One type(a) cost php 9. 00 and the other type(b) cost php 7. 0. They want to raise at least php 180. 00 for detergents. How many pieces of each detergent must be sold to achieve her goal?
Sari-sari store must sell 20 pieces of type (a) detergent and 26 pieces of type (b) detergent to raise at least php 180.00.
Determine the number of pieces of type (a) detergent.
9.00 x x = 180.00
Divide both sides by 9.00:
x = 20 pieces
Determine the number of pieces of type (b) detergent.
7.00 x y = 180.00
Divide both sides by 7.00:
y = 25.71
Since we cannot sell partial pieces, the number of pieces of type (b) detergent must be rounded up to 26 pieces.
Therefore, the sari-sari store must sell 20 pieces of type (a) detergent and 26 pieces of type (b) detergent to raise at least php 180.00.
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Examine the following scales.
The correct reading to all possible significant figures is:
The sum of the two given is 7.867.
When expressed in scientific notation, the number of significant figures equals the number of digits. Significant figures are the numbers that give any measurement meaning.
The decimal point is marked by leading zeros. They don't matter much. After the decimal point, a trailing zero is reliably known. It is important. In a whole number, every non-zero number has importance.
You must keep in mind these three guidelines in order to ascertain how many significant figures are present in a number.
Digits that are not zero are always important.Any zeros in the range of two significant digits are noteworthy.ONLY the following zeros in the decimal part matter.If you add 4.667 g and 3.2 g,
the answer has 4 significant figures.
The sum of the two given is 7.867.
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The full question:
If you add 4.667 g and 3.2 g how many significant figures does the answer have
a) Divide 260 in the ratio 1:3
Answer:
Step-by-step explanation:
Total number = 260
Ratio would be 1 : 3
So, the first part is given by
[tex]\frac{1}{4}[/tex] x 260
=[tex]\frac{260}{4}[/tex]
=65
And the second part is given by
[tex]\frac{3}{4}[/tex] x 260
=[tex]\frac{780}{4}[/tex]
=195
Hence, the first and second part are 65 and 195 respectively.
Translate the following into math expression: " 3 more than a number is 5 less than double this number ."
Answer:
3 + n = 2n - 5
Step-by-step explanation:
let 'n' equal 'a number'
'more than' implies 'addition', so 3 + n
'is' in math implies 'equals', so 3 + n =
'double the number' means to multiply it by 2
'less than' implies 'subtraction'
So final result is:
3 + n = 2n - 5
A manager at a theater needs to order 267 new seats if the seats are sold only in groups of 10 what is the least number of seats that the manager should order
The least number of seats the manger could order to 270 seats
How to find the least number of seats the manger could orderThe information that the the seats are sold only in groups of 10 will help to know that the order will be in a multiple of 10.
The manager wants to order 267 seats and this is not a multiple of 10 the nearest multiple of 10 is 270.
This is because, 260 will be short of want the manager want however ordering for 270 will be in excess with three seats.
Hence the manager will order 270 and heave 3 extra seats
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8 of the tables at Joy's Italian Restaurant are full and the other 13 tables are empty. What is the ratio of the number of empty tables to the total number of tables?
The ratio of the number of empty tables to the total number of tables 13:21.
What is Ratio?A ratio is an ordered pair of numbers a and b, written a / b where b does not equal 0.
Given that 8 of the tables at Joy's Italian Restaurant are full
13 tables are empty
The total number of tables in the restaurant are 8+13=21
We have to find ratio of the number of empty tables to the total number of tables
Empty tables = 13
Total number of tables=21
Ratio of the number of empty tables to the total number of tables 13:21
Hence, the ratio of the number of empty tables to the total number of tables 13:21.
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Think about what you know about breaking apart numbers with addition. Fill in each box. Use words,numbers. and picture. Show as many ideas as you can.
The breaking apart numbers with addition help us to solve an addition more efficient than left-to-right addition.
What is addition?Addition in math is a process of combining two or more numbers.
Given that, think about what you know about breaking apart numbers with addition.
What is it?Breaking apart an addend is a mental math strategy for addition. Some students may find this method more efficient than left-to-right addition.
What I know about it?This strategy involves breaking up one addend in an equation into more manageable parts.
Examples :-1) 32 + 46 =
Breaking the second term 46 in 40 + 6
32 + 40 + 6
= 72 + 6
= 78
2) 89 + 73 =
Breaking the second term 73 into 70 + 3
89 + 70 + 3
= 159 + 3
= 162
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A florist wants to determine if a new additive helps
extend the life of cut flowers longer than the original
additive does. The florist selects 20 flowers of different
types and puts each flower in its own vase with the
same amount of water. She positions the vases so they
also receive the same exposure to light. She numbers
the flowers 1-20, and places these numbers on equal-
sized slips of paper. The slips are placed in a hat and
mixed thoroughly. A slip is chosen and the
corresponding flower receives the new additive. After
the hat is shaken, another slip is chosen and the
corresponding flower also receives the new additive.
This procedure continues until 10 flowers have been
assigned to receive the new additive. The remaining 10
flowers receive the original additive.
"No, the flowers were not put into groups first and then randomly assigned the two additives.
Now, According to the question:
Any well-defined method that yields an observable outcome that cannot be precisely predicted in advance is referred to as a random experiment. To avoid any ambiguity or surprise, a random experiment must be properly defined.
"Information available from the question"
The florist selects 20 flowers of different
And puts in each vase with same amount of water.
10 flowers have been assigned to receive the new additive.
The remaining 10 flowers receive the original additive.
Based on the data, this is not a randomized block design for the experiment because the flowers were not put into groups first and then randomly assigned the two additives.
Therefore, "No, the flowers were not put into groups first and then randomly assigned the two additives.
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Look at the stem-and-leaf plot. What is the range of the numbers? Stem Leaf 1 0, 2, 2 2 2, 3, 4 3 0,5 Key 10-10 OA) 5 B) 21 OC) 25 OD) 35
For the given stem and leaf plot, the range of data is option C: 25.
What is stem and leaf plot?
A stem and leaf plot, also known as a stem and leaf diagram, is a way to arrange data so that it is simple to see how frequently various sorts of values occur. It is a graph that displays ordered numerical data. A stem and a leaf are divided into each piece of data.
The stem and leaf plot for data is given.
The range of data is defined as a measure of the difference between the maximum value of data and the minimum value of data.
From the stem and leaf plot the maximum value obtained is = 35
From the stem and leaf plot the minimum value obtained is = 10
The range is then calculated as -
Range = Maximum value - Minimum value
Range = 35 - 10
Range = 25
Therefore, the range is 25.
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The set of natural numbers between 11 and 155
Choose the correct answer below.
OA. {12, 154}
B. {12, 13, 14, 15, ..., 154}
C. {11, 155}
D. 11, 12, 13, 14, ..., 155}
OE. {..., 11, 12, 13, 14, ..., 155, ...}
F. {..., 12, 13, 14, 15, ..., 154, ...}
G. Ø
The set of natural numbers between 11 and 155 is {12, 13, 14, 15, ..., 154}.
A natural number is a positive integer, also known as a counting number. The set of natural numbers is represented by the symbol {1, 2, 3, 4, ...}.
The set of natural numbers between 11 and 155 includes all the natural numbers that are greater than or equal to 12 and less than or equal to 154.
This set is represented by {12, 13, 14, 15, ..., 154}. This set is infinite, meaning it contains an infinite number of elements. The dots indicate that the set goes on infinitely in both directions, but in this case, we are only concerned with the numbers between 11 and 155.
It is important to note that the answer "A" is incorrect because it only contains 2 elements, while the correct answer B is infinite set of numbers between 11 and 155 inclusive.
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Evaluate. Write your answer as a whole number or as a simplified fraction. 5/2–2 =
Answer: 1.25 or 1, 1/4
How do you do modeling addition and subtraction of mixed numbers?
To add or subtract mixed numbers, first add or subtract the integer (whole number) portions of the mixed numbers, then add or subtract the fractional portions of the mixed numbers. Reduce the fractional portion of the answer to its lowest terms and combine it with the integer portion of the answer to get the final answer.
1. To add mixed numbers, first add the integer (whole number) portions of the two mixed numbers together. The result is the integer portion of your answer.
2. Next, add the fractional portions of the two mixed numbers together. If the fractional parts of the two mixed numbers have different denominators, you'll need to convert them to have the same denominator.
3. Reduce the fractional portion of your answer to its lowest terms. This is the fractional portion of your answer.
4. Combine the integer portion of your answer with the fractional portion of your answer to get the final answer.
5. To subtract mixed numbers, first convert the fractional portion of the subtrahend (the number being subtracted) to an equivalent fraction with the same denominator as the minuend (the number being subtracted from).
6. Subtract the integer portions of the two mixed numbers. The result is the integer portion of your answer.
7. Subtract the fractional portions of the two mixed numbers. Reduce the fractional portion of your answer to its lowest terms. This is the fractional portion of your answer.
8. Combine the integer portion of your answer with the fractional portion of your answer to get the final answer.
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At a local play, student tickets cost $5 each and adult tickets cost $11 each. if ticket sales were $3,000 for 300 tickets, how many students attended the play? a. 50 b. 150 c. 250d. 300
This problem can be solved used linear equations. Here there are two variables, number of students and number of adults. After calculations we get the number of students attended the play is 50.
Lets consider the number of students is x and number of adults is y.
Total tickets sold = 300
x + y = 300 ------------ equation 1
The amount of total tickets sold is 3000.
Amount sold to students = 5x
Amount sold to adults = 11y
So, 5x+11y =3000 ----------- equation 2
Equating the x term for equation 1
Multiplying both sides with 5
5 (x+y) = 5 × 300
5x + 5y = 1500 ---------- equation 3
Subtracting equation 3 from equation 2
5x + 11y = 3000
- ( 5x + 5y = 1500)
6y = 1500
y = 1500/6 = 250
Number of adult attended = 250
From equation 1, x+y = 300
Substituting the value of y
x + 250 = 300
x = 300-250 = 50
So number of students attended is 50
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Answer: 50
Step-by-step explanation: i got it right on my quiz
Take care to properly set up your equations. The $3,000 is the sum of total money from student tickets and total money from the adult tickets.
math math math
math maths math
B
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Select all the expressions which are equivalent to -5/2z-5/6
All the expressions which are equivalent to -5/2z-5/6 are given below.
What are the equivalent expressions?Expressions that are equivalent to the same thing, even when they have distinct appearances. When we enter the same value(s) for the variable, two algebraic expressions that are equivalent have the same value (s).
Given:
An expression,
-(5/2)z - 5/6
Simplifying,
-(5/2)z - 5/6,
= -5(z/2 + 1/6) is an equivalent expression.
= -5/2 (z + 1/3) is an equivalent expression.
Therefore, -5(z/2 + 1/6) and -5/2 (z + 1/3) are the equivalent expressions
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Ali starts working on an annual salary of $20 000. His contract will give him an increase of $120 every 6 months. If he keeps working for 15 years, how much will Ali earn?
Answer: 23,600
Step-by-step explanation: 120x2 = 240, 240x15 = 3600. 20,000 + 3600 = 23,600
How many solutions does the system have?
x = 5y + 4
- 2x+10y = -8
A one solution
B infinitely many solutions
no solution
D) two solutions
Answer:
D) two solutions
Step-by-step explanation:
because the first one is: x = 5y + 4
and the second one is: -2x+10y=8
and the equals in the first one is just how to get the value of x and it doesn't count as a third solution
In △FGH, ∠F≅∠H, HF=13 and GH=11. Find FG.
To find the value of FG, FG is 11.
Properties of isosceles triangle.When there exist a triangle which has two of its sides to be equal in length, then it can be referred to as an isosceles triangle. Such that its two angles opposite the equal sides have equal measure.
Considering the given question, to find the value of FG;
since it has been given that <F ≅ <H, then;
GH ≅ FG (properties of sides of an isosceles triangle)
Such that;
GH = 11, then
GH ≅ FG = 11
Thus the value of FG is 11.
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