The total amount of money in the account at the end of 5 years, compounded monthly, is $2,329.48.
What is statistics?
Statistics is a branch of mathematics that deals with the collection, analysis, interpretation, presentation, and organization of numerical data.
To find the total amount of money in the account, we can use the formula for compound interest:
A = [tex]P*(1 + r/n)^{(n*t)}[/tex]
where:
A is the total amount of money in the account
P is the principal or initial amount of money in the account
r is the annual interest rate (as a decimal)
n is the number of times the interest is compounded per year
t is the time period in years
In this case, P = $2,000, r = 0.03 (since 3% is equivalent to 0.03), n = 12 (since the interest is compounded monthly), and t = 5.
So, plugging in the values, we get:
A = [tex]2000*(1 + 0.03/12)^{(125)}[/tex]
A = [tex]2000(1.0025)^{60}[/tex]
A = $2,329.48 (rounded to the nearest cent)
Therefore, the total amount of money in the account at the end of 5 years, compounded monthly, is $2,329.48.
To learn more about statistics from the given link:
https://brainly.com/question/28053564
#SPJ1
4negative slope equations, 2undefined slope equations, and 2zero slope equations (y=mx+b)
Answer:
negative
y=-x
y=-2x+6
y=(-1/2)x+1
y=-5x+20
undefined
x=4
x=-3
zero slope
y=2
y=-100
Determine two coterminal angles (one positive and one negative) for each angle. Give your answers in radians. (Enter your answers as a comma-separated list.)
(a)
3/4
The two coterminal angles for 3/4 radians are (3π + 4)/4 and (-5π + 4)/4 radians.
What is coterminal angles ?Coterminal angles are two or more angles that have the same initial and terminal sides, but differ by a multiple of 360 degrees or 2π radians. In other words, coterminal angles are angles that overlap each other when drawn in standard position (with their initial side on the positive x-axis).
To find two coterminal angles with 3/4 radians, we can add or subtract multiples of 2π radians (which is equivalent to a full circle).
One positive coterminal angle is obtained by adding 2π radians to 3/4 radians:
3/4 + 2π = 3/4 + 8π/4 = 3/4 + 2π
Simplifying, we get:
3/4 + 2π = (3π + 4)/4
Therefore, one positive coterminal angle is (3π + 4)/4 radians.
One negative coterminal angle is obtained by subtracting 2π radians from 3/4 radians:
3/4 - 2π = 3/4 - 8π/4 = 3/4 - 2π
Simplifying, we get:
3/4 - 2π = (-5π + 4)/4
Therefore, one negative coterminal angle is (-5π + 4)/4 radians.
Hence, the two coterminal angles for 3/4 radians are (3π + 4)/4 and (-5π + 4)/4 radians.
To know more about coterminal angles visit:
https://brainly.com/question/23093580
#SPJ1
a scientist claims that the mean gestation period for a fox is more than 48.9 weeks. if a hypothesis test is performed that rejects the null hypothesis, how would this decision be interpreted? g
The rejection of the null hypothesis in a hypothesis test that claims the mean gestation period for a fox is more than 48.9 weeks implies there is sufficient evidence to support the claim, indicating a statistically significant difference between the observed sample mean and the hypothesized mean.
If a hypothesis test is performed that rejects the null hypothesis that the mean gestation period for a fox is 48.9 weeks or less, it means that there is sufficient evidence to support the claim that the mean gestation period for a fox is more than 48.9 weeks.
The rejection of the null hypothesis implies that the observed sample mean is significantly different from the hypothesized mean, and this difference is unlikely to have occurred by chance alone. The statistical test used to evaluate the hypothesis would have produced a p-value less than the significance level, indicating that the evidence against the null hypothesis is strong.
Therefore, the scientist can conclude that there is evidence to support their claim that the mean gestation period for a fox is more than 48.9 weeks, and this finding could have important implications for understanding fox reproductive biology and management.
Learn more about hypothesis test here
brainly.com/question/30588452
#SPJ4
During a snowstorm, Annabelle tracked the amount of snow on the ground. When
the storm began, there were 3 inches of snow on the ground. Snow fell at a constant
rate of 1 inch per hour until another 4 inches had fallen. The storm then stopped for 6
hours and then started again at a constant rate of 2 inches per hour for the next 5
hours. As soon as the storm stopped again, the sun came out and melted the snow for
the next 7 hours at a constant rate of 2 inches per hour. Make a graph showing the
inches of snow on the ground over time using the data that Annabelle collected.
The graph will have a horizontal line from 4 to 15 hours (since there is no change in snow depth during that time) and two downward sloping lines from 0 to 4 hours and from 15 to 22 hours (representing snowfall and snow melt, respectively)
How to draw a graph?To make a graph of the inches of snow on the ground over time, we can use the following steps:
We can divide the time into different intervals based on the snowfall, the break in the storm, and the snow melt. We have:
Snowfall for the first 4 hours (at a rate of 1 inch per hour).Break in the storm for 6 hours.Snowfall for the next 5 hours (at a rate of 2 inches per hour).Snow melt for the next 7 hours (at a rate of 2 inches per hour).We can then calculate the inches of snow on the ground at the end of each interval, starting with the initial 3 inches of snow. We have:
After 4 hours of snowfall: 3 + 4(1) = 7 inches of snow on the ground.After 10 hours (4 hours of snowfall + 6 hours of break): 7 inches of snow on the ground.After 15 hours (10 hours + 5 hours of snowfall): 7 + 5(2) = 17 inches of snow on the ground.After 22 hours (15 hours + 7 hours of snow melt): 17 - 7(2) = 3 inches of snow on the ground.We can now plot these points on a graph with time (in hours) on the x-axis and inches of snow on the y-axis. The graph will have four points: (0,3), (4,7), (15,17), and (22,3).
To know more about graph, visit:
brainly.com/question/17267403
#SPJ1
Kylie brought 5 pears to soccer practice to share with her teammates. She cuts each pear into thirds. How many slices of pears does she have to share with her teammates? Which equations can you use to solve the problem? Select two equations. A. 5 × 3 = 15 B. 1 5 × 1 3 = 1 15 C. 1 5 × 3 = 3 5 D. 5 ÷ 1 3 = 15 E. 1 3 ÷ 5 = 1 15
Answer: a and d
Step-by-step explanation:
1 pear = 3 slices
5 pears = 15 slices
5x3=15
OR
5/1/3=15
Equation A and Equation D are the two equations that Kylie can use to solve the problem.
This is a simple mathematics problem.
Kylie has five pears. She cuts each of her pears into thirds, i.e., three slices of each pear.
So, now Kylie will do the same for each pear she has:
Total Slices with Kylie = 5 x 3
Total Slices with Kylie = 15
Equation D can also be used to define the situation of Kylie. Total pears with her are five and each pear is divided into thirds, i.e., 1/3
Total Slices with Kylie = 5 ÷ 1/3
Total Slices with Kylie = 15
To know more about Fractions,
https://brainly.com/question/78672
An analyst is interested in testing the hypothesis that stock betas are higher in a down market (when the market index returns are negative) than otherwise.
Write the regression equation you would employ to test the analyst’s hypothesis.
This supports the analyst's hypothesis that betas are higher in down markets.
What is the meaning of equations?In algebra, the definition of an equation, in its simplest form, is a mathematical statement that shows that two mathematical expressions are equal. For example, 3x + 5 = 14 is an equation where 3x + 5 and 14 are two expressions separated by the equation.
To test the hypothesis that stock betas are higher in bear markets, we use the following regression equation:
Ri = αi + βi(Rm) + εi
where,
Ri = return on ith stock
Rm = market return
αi = intercept (constant term) of the regression equation of the ith stock.
βi = slope of the market return of the ith stock (regression coefficient).
εi = error period of the ith stock
To test the hypothesis, we include an additional variable in the regression equation that describes the effect of the market return when it is negative. This variable would be a dummy variable that takes the value 1 if the market return is negative and 0 otherwise. Let's call this variable D. So the modified regression equation would be:
Ri = αi + βi(Rm) + γiD + εi
where,
γi = the excess regression coefficient of the ith stock that describes the effect of the market return when it is negative
The coefficient γi measures the difference between the beta value of a stock between a falling market and a non-falling market. If γi is significantly greater than 0, this supports the analyst's hypothesis that betas are higher in down markets.
Learn more about algebra here
https://brainly.com/question/24875240
#SPJ1
On a trip, you had to change your money from dollars to euros.
You got 450
euros for 600
dollars.
What is a unit rate that describes the exchange?
Answer: 0.75 euros = 1 dollar
Step-by-step explanation:
Unit rate
450 euros ----> 600 dollars
450/600 = 0.75
0.75 euros = 1 dollar
Uni rate for the exchange of dollars to euros is 0.75 euros/dollars.
Explanation :[tex]\implies[/tex] To find the unit rate of exchange from dollars to euros, divide the amount of euros Monica received by the amount of dollars she paid:
[tex]\largearrow{\sf{\boxd{\boxed{Unit \ change = \dfrac{Number \ of \ euros \ you \got}{Number \ of \ dollars \ you \ have} }}}}[/tex]
[tex]\implies{\sf{Unit \ change = \dfrac{\cancel{450}}{\cancel{600}} }}[/tex]
[tex]\implies{\sf{Unit \ change = 0.75 }}[/tex]
As a result, the unit rate for the exchange of dollars to euros is 0.75 euros/dollar.
In an all boys school, the heights of the student body are normally distributed with a mean of 71 inches and a standard deviation of 4.5 inches. Out of the 1912 boys who go to that school, how many would be expected to be between 61 and 70 inches tall, to the nearest whole number?
The range of heights between 66 inches and 76 inches indicates the center 95% of males' heights from this school.
What do we mean by interval?All the numbers between two specific integers are referred to as an interval.
All actual values between those two are included in this range.
The class interval is calculated by deducting the upper limit from the class' lower limit.
The following is the formula for the class interval: Upper limit - Lower limit equals the class interval.
Let x represent the heights of the male students at this institution.
The Empirical Rule states that given the mean and standard deviation:
1) Approximately 68% of the x values fall within the range of the mean plus or minus one standard deviation.
2) Nearly 95% of the x values fall within the range of the mean plus or minus two standard deviations.
3) Nearly 99.7% of the x values fall within a range of 3 standard deviations either above or below the mean.
Considering the data provided:
mean = 71 inches
Standard deviation = 2.5 inches
We want to know where 95% of the x values fall. The variation from the mean is 2 standard deviations. Therefore,
2 standard deviations = 2 × 2.5 = 5 inches
Heights:
71 - 5 = 66 inches and
71 + 5 = 76 inches
Therefore, the range of heights between 66 inches and 76 inches indicates the center 95% of males' heights from this school.
Know more about intervals here:
https://brainly.com/question/479532
#SPJ1
Complete question:
In an all-boys school, the heights of the student body are normally distributed with a mean of 71 inches and a standard deviation of 2.5 inches. Using the empirical rule, determine the interval of heights that represents the middle 95% of male heights from this school.
three hundred students in a school were asked to select their favorite fruit from a choice of apples, oranges, and mangoes. this table lists the results. if a survey is selected at random, what is the probability that the student is a girl who chose apple as her favorite fruit? answer choices are rounded to the hundredths place.
The probability that a student selected at random is a girl who chose apple as her favorite fruit is 0.32, or 32% rounded to the nearest hundredth.
To calculate the probability that a student is a girl who chose apple as her favorite fruit, we need to use the information provided in the table. First, we need to find the total number of girls who participated in the survey, which is the sum of the number of girls who chose apples, oranges, and mangoes as their favorite fruit, i.e., 46 + 41 + 55 = 142.
Next, we need to find the number of girls who chose apples as their favorite fruit, which is 46. Therefore, the probability that a student is a girl who chose apple as her favorite fruit is given by:
Probability = Number of girls who chose apples / Total number of girls in the survey
Probability = 46 / 142
Probability = 0.32
This means that out of all the girls who participated in the survey, 32% of them chose apple as their favorite fruit.
To learn more about probability click on,
https://brainly.com/question/30622026
#SPJ4
Complete question is:
three hundred students in a school were asked to select their favorite fruit from a choice of apples, oranges, and mangoes. this table lists the results.
Boys Girls
Apple 66 46
Orange 52 41
Mango 40 55
if a survey is selected at random, what is the probability that the student is a girl who chose apple as her favorite fruit?
the mean life of a television set is 97 months with a variance of 169 . if a sample of 59 televisions is randomly selected, what is the probability that the sample mean would be less than 100.9 months? round your answer to four decimal places.
The probability that the sample mean would be less than 100.9 months is approximately 0.9600.
We can use the central limit theorem to approximate the sampling distribution of the sample mean as a normal distribution with a mean of 97 months (the population mean) and a standard deviation of σ/√n, where σ is the population standard deviation and n is the sample size.
The standard deviation of the sampling distribution can be calculated as follows
σ/√n = √(169)/√59 = 2.065
Therefore, the z-score corresponding to a sample mean of 100.9 months is
z = (100.9 - 97) / 2.065 = 1.75
Using a standard normal distribution table or calculator, we can find that the probability of obtaining a z-score less than 1.75 is approximately 0.9599.
Therefore, the probability that the sample mean would be less than 100.9 months is approximately 0.9599.
Rounding this to four decimal places, we get
P(x < 100.9) ≈ 0.9600
Learn more about probability here
brainly.com/question/29677848
#SPJ4
Solve for X, please write an explanation.
Step-by-step explanation:
2x+20 and 2x-4 are supplementary angles...they form a straight line and thus = 180 degrees when added together
2x+20 + 2x-4 = 180 simplify
4x + 16 = 180 subtract 16 from both sides
4x = 164 divide both sides by 4
x = 41 degrees
Transformations Task Card # 29 What is the image of point (3,4) after a dilation of 2? New Coordinate
Answer:
(6, 8)
Step-by-step explanation:
A dilation scales an object on the coordinate plane using the scale factor, causing it to get bigger or smaller.
We are given that the point (3, 4) is dilated by 2; since 2 is greater than 1, this is an enlargement (in which the figure gets bigger).
So, all we need to do is multiply each of the coordinates by 2, like so:
[tex]3*2=6\\4*2=8[/tex]
Thus, the image of the point (3, 4), after being dilated by 2, is (6, 8).
what minus 1 1/2 equals 3 3/4
Answer:
5 1/4
Step-by-step explanation:
the ratio of a time a student spends on their art project to time spent on their science project is 3:4.The total amount of time the student spends on projects for these 56 min.How much does the students spend on projects for each subject
Answer: the student spends 24 minutes on their art project and 32 minutes on their science project.
Step-by-step explanation:
Answer:
The student spends 24 minutes on their art project, and 32 minutes on their science project
Step-by-step explanation:
To solve this problem, we can utilise the unitary method, a process by which we find the value of a single unit, from the value of multiple units and thus, the value of multiple units from the value of a single unit.
If the total number of units in the ratio is (3+4)=7, then 7 units = 56 mins.
If 7 units = 56 mins,
then 1 unit = 56/7 mins = 8 mins.
Therefore, 3 units = 8×3 = 24 mins,
and 4 units = 8×4 = 32 mins.
Thus, the student spends 24 minutes on their art project, and 32 minutes on their science project
Write down the equations of six lines that increase in steepness
Answer:
Step-by-step explanation:
The slope of a line is a measure of its steepness. Mathematically, slope is calculated as "rise over run" (change in y divided by change in x).
Amy is sewing some pants for herself. This is the rule for how much fabric she needs to buy. • Measure from your waist to the finished length of thepants • Double this measurement • Add 8inches 1. Amy’s measurement from her waist to the finished length of the pants is 35inches. How many inches of fabric does sheneed?
Amy needs 78 inches of fabric for her pants if she follows the given rule.
Define inches ?
An inch is a unit of length that is equal to exactly 2.54 centimeters. It is commonly used in the United States and other countries that use the Imperial system of measurement.
To determine how much fabric Amy needs for her pants, we can use the rule provided to us. The first step is to measure from the waist to the finished length of the pants, which in this case is 35 inches.
Next, we need to double this measurement, which gives us 2 * 35 = 70 inches. This is because we need to account for the fabric that will make up both the front and back of the pants.
Finally, we need to add 8 inches to the doubled measurement, which gives us 70 + 8 = 78 inches. This additional 8 inches is to account for any seams, hems, or other finishing touches that may be required to complete the pants.
Therefore, Amy needs 78 inches of fabric for her pants.
To learn more about length visit the link :
https://brainly.com/question/30100801
#SPJ1
In a 10-kilometer race, there are no race
monitors for the first kilometer. After
that, there are race monitors every
0.25 kilometer, including at the finish
line. How many race monitors are there
Therefore, there are 37 race monitors in the entire 10-kilometer race.
What is equation?An equation is a mathematical statement that shows that two expressions are equal. It usually contains one or more variables, and the goal is to find the value of the variable(s) that satisfies the equation. An equation can be written in various forms, such as standard form, slope-intercept form, or general form, depending on the type of equation and the information given. Equations are used in many areas of mathematics, science, and engineering to model and solve problems.
Here,
There are race monitors every 0.25 kilometers, so we can divide the race into segments of 0.25 kilometers.
The first segment is from 1 kilometer to 1.25 kilometers. Since there are no monitors for the first kilometer, we only need to count the monitors from 1 kilometer to the finish line.
To find the number of monitors from 1 kilometer to the finish line, we can subtract 1 from the total distance of the race and then divide by 0.25 (since there is a monitor every 0.25 kilometers after the first kilometer):
(10 - 1) / 0.25 = 36
So there are 36 race monitors from 1 kilometer to the finish line. But since there are no monitors for the first kilometer, we need to add 1:
36 + 1 = 37
To know more about equation,
https://brainly.com/question/28243079
#SPJ1
in the faculty lecture, dr. salon mentioned a survey that was taken in the slums in nairobi. from this survey, how long did the average person live in the slums?
Without specific data from the survey, I cannot provide the exact average length of time a person lived in the slums. I can be found by collecting data and finding average.
In general, surveys can be used to gather information on a population's characteristics and experiences, including their life expectancy. If the survey conducted in the slums of Nairobi included questions about life expectancy or mortality rates, the average lifespan of the individuals surveyed could be calculated using the data collected. It's important to note that the average lifespan in the slums may differ from that of other areas in Nairobi or other regions of the world.
Based on the information provided, Dr. Salon mentioned a survey conducted in the slums of Nairobi. To determine how long the average person lived in the slums, we would follow these steps:
1. Collect the data: The survey would gather information about the length of time people lived in the slums.
2. Calculate the average: Add up the total number of years all respondents lived in the slums and divide by the total number of respondents.
Without specific data from the survey, can't provide the exact average length of time a person lived in the slums. Please provide more information or refer back to Dr. Salon's lecture for the results of the survey.
Learn more about survey here:
https://brainly.com/question/30830631
#SPJ11
HELP MARKING BRAINLEIST
Answer:
r = 2
center: ( -7,0 )
Step-by-step explanation:
the average car can go 25 miles on one gallon of gas. You can write an equation to show the relationship between the amount of gas you buy and how far you can travel
Answer:
Step-by-step explanation:
the inword
Determine the domain of the following graph:
21098
11
76
4
+32
2
1
-12-11-10-9-8-7-6-5-4-3-2-1
5
ܐ ܣ ܣ ܟ ܬ ܬ { ܣ ܣ
-2
-3
-4
-5
-6
-9
-7
-10
-8
-11
-12
2 3 4 5 6 7 8 9 10 11 12
The domain of the following graph is equal to [-11. -3]
What is a domain?In Mathematics and Geometry, a domain refers to the set of all real numbers (x-values) for which a particular function is defined.
How to identify the domain any graph?In Mathematics and Geometry, the horizontal portion of any graph is used to represent all domain values and they are both read and written from smaller to larger numerical values, which simply means from the left of any graph to the right.
By critically observing the graph shown in the image attached above, we can reasonably and logically deduce the following domain and range:
Domain = [-11, -3].
Range = [-5, 0].
Read more on domain here: brainly.com/question/9765637
#SPJ1
Write the equation of the line that passes through the point (0, 4) and is parallel to the line with equation y=5x+3
tell whether the ordered pair is a solution of the inequality. 2z less than 15; z =11
The ordered pair (z, 11) is not a solution of the inequality.
Explain inequality
An inequality is a statement that compares two values, expressing that one value is greater than or less than the other, or that they are not equal. Inequalities are represented using symbols such as < (less than), > (greater than), ≤ (less than or equal to), and ≥ (greater than or equal to). They are used to describe relationships between numbers, variables, and expressions.
According to the given information
To determine whether the ordered pair (z, 11) is a solution of the inequality 2z < 15, we need to substitute z = 11 into the inequality and see if it is true or false:
2z < 15
2(11) < 15
22 < 15 (this is false)
Since 22 is not less than 15, the ordered pair (z, 11) is not a solution to the inequality.
To know more about inequality visit
brainly.com/question/30231190
#SPJ1
Select the correct answer. Sides of three square rooms measure 14 feet each, and sides of two square rooms measure 17 feet each. Which expression shows the total area of these five rooms? A. (3 × 14^2) + (2 × 17^2) B. (2 × 14^3) + (2 × 17^2) C. (3 × 17^2) + (2 × 14^2) D. (3 × 14^2) × (2 × 17^2) Reset Next
The correct expression showing the total area of the five rooms is A. (3 x 14²) + (2 x 17²), which simplifies to 1918 square feet.
What is expression?An expression is a combination of numbers, symbols, and operators (such as addition, subtraction, multiplication, and division) that represent a mathematical calculation. An expression can be a single number, a variable, or a combination of both, and can be used to represent mathematical formulas, equations, or relationships.
In the given question,
C. (3 × 17²) + (2 × 14²)
To find the total area of the five rooms, we need to add the area of each room. The area of a square is found by squaring the length of one side.
For the three rooms with sides of 14 feet each, the area of each room is:
14^2 = 196 square feet
So the total area of these three rooms is:
3 × 196 = 588 square feet
For the two rooms with sides of 17 feet each, the area of each room is:
17^2 = 289 square feet
So the total area of these two rooms is:
2 × 289 = 578 square feet
Therefore, the total area of all five rooms is:
588 + 578 = 1166 square feet
Option C, (3 × 17²) + (2 × 14²), gives the correct expression for this calculation.
To know more about expression, visit:
https://brainly.com/question/2559684
#SPJ1
help me please help answer the question below Do not round
Answer:
0.1296
Step-by-step explanation:
0.6*0.6=0.36
0.6*0.36=0.216
0.6*0.216=0.1296
which of the following is true with regards to statistical analysis? which of the following is true with regards to statistical analysis? bivariate analysis is a special form of multivariate analysis. it examines the relation between two or more variables. regression analysis is a univariate analysis. multivariate analysis examines the relationship between one, two or more variables. univariate analysis involves the analysis of a single variable.
The correct option is: "Univariate analysis involves the analysis of a single variable."
The following statement is true with regards to statistical analysis:
Univariate analysis involves the analysis of a single variable.
The other statements are not entirely accurate:
Bivariate analysis is a form of multivariate analysis that examines the relationship between two variables, but multivariate analysis can involve more than two variables.
Regression analysis is a multivariate analysis technique that examines the relationship between one dependent variable and one or more independent variables.
Multivariate analysis involves the examination of the relationship between two or more variables, not necessarily one, two, or more.
for such more questions on statistical analysis
https://brainly.com/question/15525560
#SPJ11
Graph Y = 1/2x - 4 on the coordinate plane
The x-axis and y-axis are two parallel number lines that meet at (0, 0) to form the shape of the letter t.
Describe Coordinate Plane?Geometric objects and mathematical equations are represented on the coordinate plane, a two-dimensional graph. It is made up of the x-axis and y-axis, two parallel number lines that meet at the starting point (0, 0). The horizontal coordinate is represented by the x-axis, while the vertical coordinate is represented by the y-axis. They combine to create the Cartesian coordinate system.
Positive numbers are labelled to the right of the origin and negative values are labelled to the left of the origin on the x-axis. Positive numbers are written above the origin of the y-axis, and negative numbers are written below it. An ordered pair (x, y), where x denotes the horizontal coordinate and y denotes the vertical coordinate, is used to represent each point on the coordinate plane.
For graphing linear equations, quadratic equations, and other functions, the coordinate plane is a helpful tool. Additionally, it is employed to depict geometric forms like polygons, circles, and lines. The distance between two points, the slope of a line, and other significant features of mathematical objects can be calculated by graphing points on the coordinate plane. With applications in physics, engineering, economics, and computer science, the coordinate plane is a fundamental idea in mathematics.
The graph is shown below when y=1.
To know more about graph visit:
brainly.com/question/31090865
#SPJ1
Graph attached below,
The coordinates of the plane is
x y
1 -3.5
2 -3
4 -2
6 -1.
What is equation?
The definition of an equation in algebra is a mathematical statement that demonstrates the equality of two mathematical expressions. For instance, the equation 3x + 5 = 14 consists of the two equations 3x + 5 and 14, which are separated by the 'equal' sign.
Here the given equation is y = [tex]\frac{1}{2}x-4[/tex].
Now put x= 1 then y = [tex]\frac{1}{2}\times1-4 =\frac{1-8}{2}=\frac{-7}{2}=-3.5[/tex]
Now put x=2 then [tex]y=\frac{1}{2}\times2-4=1-4=-3[/tex]
Now put x=4 then [tex]y=\frac{1}{2}\times4-4=2-4=-2[/tex]
Now put x=6 then [tex]y=\frac{1}{2}\times6-4=3-4=-1[/tex]
Then coordinates of the plane is
x y
1 -3.5
2 -3
4 -2
6 -1.
To learn more about equation refer the below link
https://brainly.com/question/29336774
#SPJ1
a recent survey revealed that 30% of us households own one or more cats. you visit 50 random households. what is the mean number of households that will have one or more cats? 15 what is the standard deviation of the number of households that will have one or more cats? 3.2 round your answer to 1 decimal place. suppose that 10 of the 50 random households had one or more cats. would you consider this unusual?
1. The mean number of households that will have one or more cats is 15.
2. This means that getting 10 or fewer households with cats out of 50 is not extremely unusual, as there is a 5.3% chance of it happening by random chance alone.
The mean number of households that will have one or more cats can be calculated as:
Mean = (30/100) x 50 = 15
Therefore, the mean number of households that will have one or more cats is 15.
The standard deviation can be calculated using the formula:
Standard deviation = [tex]\sqrt{(npq)}[/tex]
where n is the sample size (50), p is the probability of success (30/100 = 0.3), and q is the probability of failure (1 - p = 0.7).
Standard deviation = sqrt(50 x 0.3 x 0.7) = 3.08
Rounding to 1 decimal place, the standard deviation is 3.1.
If 10 of the 50 random households had one or more cats, we can calculate the z-score as:
z = (x - μ) / σ
where x is the observed number of households with cats (10), μ is the mean (15), and σ is the standard deviation (3.1).
z = (10 - 15) / 3.1 = -1.61
Looking up the z-score in a standard normal distribution table, we find that the probability of getting a z-score of -1.61 or lower is 0.053.
This means that getting 10 or fewer households with cats out of 50 is not extremely unusual, as there is a 5.3% chance of it happening by random chance alone.
However, it is somewhat lower than the expected value of 15, which suggests that the sample may not be fully representative of the population.
For similar question on mean.
https://brainly.com/question/28225633
#SPJ11
what is the range and domain of y = 3x^2 + 2?
The domain of the function is (-∞, ∞) and the range of the function is [2, ∞).
Define range!In mathematics, the range of a function refers to the set of all possible output values (dependent variable) that the function can produce for its corresponding input values (independent variable).
According to question:The given function is y = 3x² + 2.
The domain of a function is the set of all possible values of the independent variable (x) for which the function is defined. Since the given function is a polynomial function, it is defined for all real numbers.
Therefore, the domain of the function y = 3x² + 2 is (-∞, ∞), which means that the function is defined for all real values of x.
The range of a function is the set of all possible values of the dependent variable (y) that the function can take. In this case, the function is a quadratic function with a leading coefficient of 3, which means that the parabola opens upwards and its vertex is at the point (0,2).
Since the minimum value of the function is 2, the range of the function is [2, ∞).
Therefore, the domain of the function is (-∞, ∞) and the range of the function is [2, ∞).
To know more about range visit:
https://brainly.com/question/28135761
#SPJ1
Chase is moving and must rent a truck. There is an initial charge of $35 for the rental plus a fee of $2.50 per mile driven. Make a table of values and then write an equation for C,C, in terms of m,m, representing the total cost of renting the truck if Chase were to drive m miles.
The required equation in the given situation is C = 35 + 2.50m where C is the total cost and m is the number of miles driven.
What is the equation?Equation: A declaration that two expressions with variables or integers are equal.
In essence, equations are questions and attempts to systematically identify the solutions to these questions have been the driving forces behind the creation of mathematics.
A mathematical statement known as an equation is made up of two expressions joined together by the equal sign.
A formula would be 3x - 5 = 16, for instance.
The equation would be:
C is the total cost and m is the miles driven.
We know that:
Charge of the truck: $35
Charge per mile: $2.50
Then, form the equation as follows:
C = 35 + 2.50m
Therefore, the required equation in the given situation is C = 35 + 2.50m where C is the total cost and m is the number of miles driven.
Know more about equations here:
https://brainly.com/question/2972832
#SPJ1