what is the slope of (1,-1) (4,8)

Answers

Answer 1
Answer:

Slope = 3

Step by step explanation:

To find the slope of a line passing through two points, we use the formula:

slope = (y2 - y1) / (x2 - x1)

where (x1, y1) and (x2, y2) are the coordinates of the two points.

In this case, the two points are (1, -1) and (4, 8), so we can plug in the values to get:

slope = (8 - (-1)) / (4 - 1) = 9/3 = 3

Therefore, the slope of the line passing through the points (1, -1) and (4, 8) is 3
Answer 2

Answer:

The slope of the line passing through the points (1, -1) and (4, 8) is 3.

Step-by-step explanation:

The slope of a line passing through two points (x1, y1) and (x2, y2) is given by the following formula:

[tex]slope = (y2 - y1) / (x2 - x1)[/tex]

Here, the given points are (1, -1) and (4, 8). So,

[tex]slope = (8 - (-1)) / (4 - 1) = 9 / 3 = 3[/tex]

Therefore, the slope of the line passing through the points (1, -1) and (4, 8) is 3.


Related Questions

13. security y has the following returns over five years: 3%, 6%, 0%, 6%, and 3%. what is the arithmetic mean (average) return and the standard deviation (sample) for security y?

Answers

The arithmetic mean return is 3.6%, and the standard deviation is 2.14%.

To find the arithmetic mean, we add up the five returns and divide by the number of returns (in this case, 5):

(3% + 6% + 0% + 6% + 3%) / 5 = 3.6%

To find the standard deviation, we first need to find the variance. We can do this by taking each return, subtracting the mean return (3.6%), squaring the result, summing these values, and dividing by the number of returns minus 1 (4 in this case):

((3% - 3.6%)^2 + (6% - 3.6%)^2 + (0% - 3.6%)^2 + (6% - 3.6%)^2 + (3% - 3.6%)^2) / 4 = 0.046

The standard deviation is the square root of the variance:

√0.046 = 0.214 or 2.14%

Therefore, the arithmetic mean return for security y is 3.6%, and the standard deviation (sample) is 2.14%.


To know more about arithmetic mean, refer here:

https://brainly.com/question/13000783#

#SPJ11

m/4 = 5+m/5

Find the Value of m

Answers

m=100
100/4=25
5+100/5=25

Which of the series in exercises 17–56 converge, and which diverge? use any method, and give reasons for your answers

Answers

The given series diverges to negative infinity as the terms cancel out, leaving only two terms at the beginning and end of the series.

To determine the convergence of the given series, we can use the telescoping series method.

Let's write out a few terms of the series to see if we can spot a pattern:

n=1: 1/2 - 3/4 = -1/4

n=2: 2/3 - 4/5 = -2/15

n=3: 3/4 - 5/6 = -1/8

n=4: 4/5 - 6/7 = -2/35

...

We can see that the terms of the series cancel out, leaving only two terms at the beginning and end of the series. Therefore, we can write the series as:

∑ (n/n+1 - n+2/n+3) = 1/2 - (n+2)/(n+3)

As n approaches infinity, the second term approaches 1, so the series diverges to negative infinity.

Therefore, the given series diverges.

To know more about converge and diverge series:

https://brainly.com/question/15415793

#SPJ4

_____The given question is incomplete, the complete question is given below:

Which of the series in exercises 17–56 converge, and which diverge? use any method, and give reasons for your answers

(∑ ∞ to n = 1) = (n/n+1 - n+2/n+3)

Neal buys a board game. He pays for the board game and pays
$
1.54
$1.54dollar sign, 1, point, 54 in sales tax. The sales tax rate is
5.5
%
5.5

Answers

Proportionately, the cost of the board game without the sales tax is $28.00.

What is the sales tax?

The sales tax is the levy imposed by the government on the consumption and production of certain goods and services.

The purposes of imposing sales taxes are to discourage consumption and to increase governmental revenue.

Proportion refers to the equation of two ratios.

In this situation, we can equate the value of the sales tax with its percentage to determine the cost of the board game.

The sales tax in dollars = $1.54

The sales tax rate = 5.5%

Proportionately, the value of the board game without the sales tax = $28.00 ($1.54/5.5%).

Learn more about the sales tax at https://brainly.com/question/30109497

#SPJ1

Question Completion:

How how is the cost?

Winston is baking a pie. The diameter of the pie is 12 inches. What is the area of the pie? Use 3.14 for pi and round your answer to the nearest tenth.

Answers

The area of the pie is approximately 113.0 square inches.

What is the significance of pi in math?

The ratio of a circle's circumference to its diameter is denoted by the mathematical constant pi . It is roughly equivalent to 3.14159 and is not repetitive or terminal. As pi is an irrational number, it cannot be written as an exact fraction of two integers and its decimal representation never ends. Pi is used to compute the characteristics of circles, spheres, cylinders, and other curved objects in many branches of mathematics and science, including geometry, trigonometry, calculus, physics, and engineering.

The area of the circle is given as:

A = πr²

Here, diameter = 12, thus radius is 6 inches.

Substituting the values:

area = 3.14 x (6)²

area = 113.04 square inches

Hence, the area of the pie is approximately 113.0 square inches.

Learn more about area of circle here:

https://brainly.com/question/11952845

#SPJ1

A penny is 19 mm wide. What is the area of the front side of the penny? Use 3.14 for π. Round to the nearest hundredth if necessary.


HELP ME QUICK PLEASE!

Answers

The required area of the penny is given as 283.385 square millimeters.
Given that,
A penny is 19 millimeters wide. The area of the face of the coin? Round to the nearest hundredth is ot be determined and π = 3.14
What is an area circle?
The area of the circle is given by the pie times square of the radius.
Area of circle = πr^2
here,
Area of the penny = π[d / 2]²
Substitute the values in the above equation,
Area of the penny = 3.14 [19 / 2]²
Area of the penny = 283.385
Thus, the required area of the penny is given as 283.385 square millimeters.

Answer:

≈283,39 mm^2

Step-by-step explanation:

The diameter is 19 mm, so the radius is half diameter (9,5 mm)

[tex]a = \pi \times {r}^{2} = 3.14 \times {9.5}^{2} = 3.14 \times 90.25 ≈ 283.39[/tex]

. cards are dealt from a standard shuffled deck of cards until the first ace is drawn. what is the chance that the next card is a king?

Answers

Cards are dealt from a standard shuffled deck of cards until the first ace is drawn. So the chance that the next card is a king is 0.05 percent.

            When drawing a card from a standard deck of 52 cards, the chance of drawing an ace is 4/52 or 1/13. After an ace has been drawn, there are 51 cards left in the deck, and 4 of them are kings.

           So, the probability of drawing an ace and then a king is

                     (1/13) × (4/51) = 4/663.

There are 4 different aces that could be drawn, each with the same probability of

                      (1/13) × (4/51) = 4/663,

So we multiply by 4 to account for all the possible aces that could be drawn.

Therefore, the total probability of drawing an ace and then a king is

                     (4/663) × 4 = 16/663.

         Once an ace has been drawn, there are 51 cards remaining in the deck, and only one of them is a king. Therefore, the probability of drawing a king after an ace has been drawn is 1/51.

         The probability that the next card is a king after the first ace is drawn is thus:

                    (16/663) × (1/51) = 16/33663

                                              = 1/2104.

      This simplifies to 0.0475 percent or approximately 0.05 percent.

Learn more about a standard shuffled deck of cards at: https://brainly.com/question/6819029

#SPJ11

For a school field trip, a charter bus company charges a $50 reservation fee for the group, plus an additional $12 per student. Let n
represent the number of students going on the field trip.

Answers

The expression that best represents the total cost of the charter bus for the field trip is 12n + 50

Which expression best represents the total cost of the charter

The total cost of the charter bus for the field trip consists of a $50 reservation fee and an additional $12 per student.

If n represents the number of students going on the field trip, then the expression for the total cost can be written as:

Total cost = 12n + 50

This expression represents the variable cost of the charter bus, which depends on the number of students going on the field trip.

The fixed cost of $50 is added to the variable cost to give the total cost.

Read more about linear function at

https://brainly.com/question/30318449

#SPJ1

is there a significant difference in the mean amount of e. coli bacteria detected by the two methods for this type of beef? provide a statistical justification to support your answer

Answers

Certainly, there is a significant difference in the mean amount of e.coli bacteria detected by the two methods for this type of beef. This can be supported statistically by conducting a hypothesis test.

           The null hypothesis ([tex]H_0[/tex]) is that there is no significant difference in the mean amount of E. coli bacteria detected by the two methods. The alternative hypothesis ([tex]H_a[/tex]) is that there is a significant difference in the mean amount of e.coli bacteria detected by the two methods.

          The two-sample t-test can be used to test the hypothesis. The t-test compares the means of two independent groups and determines whether they are significantly different. The t-test assumes that the two samples are normally distributed and have equal variances.

          If the sample sizes are large, then the t-test can still be used even if the samples are not normally distributed.

          The formula for the t-test is:

                   [tex]t = (x_1 - x_2) / [s^2(1/n_1 + 1/n_2)][/tex]

       Where:

                     [tex]x_1[/tex] = the sample mean for method 1

                     [tex]x_2[/tex] = the sample mean for method 2

                     [tex]s^2[/tex] = the pooled variance of the two samples

                     [tex]n_1[/tex] = the sample size for method 1

                     [tex]n_2[/tex] = the sample size for method 2

        The t-value can then be compared to the critical value of  [tex]t[/tex] for the desired level of significance (usually 0.05).

         If the t-value is greater than the critical value of [tex]t[/tex], then the null hypothesis can be rejected and it can be concluded that there is a significant difference in the mean amount of E. coli bacteria detected by the two methods.

Learn more about a significant difference in the mean amount at: https://brainly.com/question/14724376

#SPJ11

Can anyone help me with this? i have 6 problems like this and I don't know how to solve them.
1. y=x+4
y = 3x

2. x=-2y+1
x-y=-5

3. y=x-7
2x+y=8

4. y=3x-6
-3x+y=-6

5. x+2y=200
x=y+50

6. 4x+3y=1
x=1-y

Its Solving Using Substitution. It's also due tomorrow so please help.​

Answers

Answer:

Sure, I can help you solve these problems using substitution. Let's start with problem 1:1. y=x+4 y=3x To solve this system of equations, we need to substitute one of the variables from one equation into the other equation. We can solve the second equation for y:y=3x Now we can substitute this expression for y into the first equation:y=x+4 3x=x+42x=4x=2 Now we can substitute this value for x into either equation to solve for y:y=x+4 y=2+4y=6 So the solution to this system of equations is x=2, y=6. You can follow the same procedure to solve the rest of the problems. 2. x=-2y+1 x-y=-53. y=x-7 2x+y=84. y=3x-6 -3x+y=-65. x+2y=200 x=y+506. 4x+3y=1 x=1-y Let me know if you need any further assistance.

Can anyone please help 10 points

Answers

The value of x using similar triangles theorem is = 13/3.

What are similar triangles?

Triangles that resemble one another but may not be exactly the same size are said to be comparable triangles.

When two objects have the same shape but different sizes, they can be said to be comparable.

This indicates that comparable shapes superimpose one another when amplified or de-magnified.

The term "Similarity" refers to this characteristic of like shapes.

Now in the given figure,

the proportion of the triangles' side is same.

So, 12/4 = 13/x

x = 13/3

To know more about similar triangles, visit:

https://brainly.com/question/30725762

#SPJ1

Use the situation below to answer questions 1 - 3.
A new Microsoft Surface computer costs $1275, but depreciates 16.5% each year as new
technology comes out.
1. Is this situation exponential growth or decay?
2.
Two students, Josh and Eve were debating how to represent a function to model
the value, V, after x years. Both of their functions are below. Explain who you
agree with and why.
Josh
V(x) = 1275 (0.835)*
Eve
V(x) = 1275(1.165)*
3. Write the correct function that models the context using both forms.
V(x) = a(b)*
V(x) = a(1+r)*

Answers

1.  Exponential decay 2. Josh's function represents the situation correctly 3. V(x) = 1275(0.835)ˣ,  V(x) = 1275(1-0.165)ˣ

Describe  Exponential decay function ?

An exponential decay function is a mathematical function that describes the decrease in value of a quantity over time or through a series of events. It is often used to model natural phenomena such as radioactive decay or the spread of diseases.

In an exponential decay function, the value of the quantity decreases exponentially over time. This means that the rate of decrease is proportional to the value of the quantity at any given time.

The exponential decay function is characterized by a decreasing graph that approaches zero but never touches the x-axis. The rate of decay slows down over time, but the quantity never completely disappears. The function is used in various fields such as physics, chemistry, biology, finance, and economics, to name a few.

1. This situation represents exponential decay because the value of the computer decreases by 16.5% each year.

2. Josh's function represents the situation correctly because it involves the decay factor (0.835) which is less than 1, reflecting the decrease in value each year. Eve's function represents exponential growth which is not consistent with the situation where the value of the computer decreases each year.

3. V(x) = 1275(0.835)ˣ represents the function using the form V(x) = a(b)ˣ where a = 1275 and b = 0.835.

Alternatively, V(x) = 1275(1-0.165)ˣ represents the function using the form V(x) = a(1-r)ˣ where a = 1275 and r = 0.165.

To know more about function visit:

https://brainly.com/question/14355665

#SPJ1

Ally chooses a whole number
Write a number that Ally could have started with

Answers

Ally could have started with any whole number, including 0, 1, 2, 3, 4, etc. Whole numbers are numbers that don't contain any fractions, decimals, or negative numbers.

For example, 1/2 is not a whole number, but 2 is a whole number. When Ally chooses a whole number, she could choose any number that fits this criteria. For example, she could choose 0, 1, 4, 17, 100, or any other whole number.
Ally chooses a whole number. The whole numbers are integers that are greater than zero. It includes all the natural numbers (1, 2, 3, ...) and zero. Let's assume Ally selected a whole number as the question mentioned, we will have to determine the possible number options that Ally could have chosen.One whole number that Ally could have chosen could be 1. Since 1 is the first natural number, it is the smallest whole number. The other whole numbers are greater than 1. The next smallest whole number is 2, followed by 3, then 4, and so on.

There are an infinite number of whole numbers since they continue infinitely in both positive and negative directions. There is no limit to the largest or smallest whole number; therefore, Ally could have begun with any whole number.

For more such questions on whole number  

https://brainly.com/question/29207899

#SPJ11

343^2x-5=49^x/2 solve for x

Answers

Answer:

Step-by-step explanation:

We can start by simplifying the expression using the laws of exponents:

343^(2x) * 49^(-x/2) = 49^(x/2)

We can then simplify further by expressing everything in terms of 7 (since 7 is the common factor of both 343 and 49):

(7^3)^(2x) * (7^2)^(-x/2) = (7^2)^(x/2)

Applying the laws of exponents again, we get:

7^(6x) * 7^(-x) = 7^x

7^(6x - x) = 7^x

7^(5x) = 7^x

Now we can solve for x by equating the exponents on both sides:

5x = x

4x = 0

x = 0

Therefore, the solution to the equation is x = 0.

Answer:

x = 0

Step-by-step explanation:

343^(2x) * 49^(-x/2) = 49^(x/2)

(7^3)^(2x) * (7^2)^(-x/2) = (7^2)^(x/2)

7^(6x) * 7^(-x) = 7^(x)

Now, we can simplify the equation further by combining the like terms on both sides:

7^(6x - x) = 7^(x)

7^(5x) = 7^(x)

We can solve for x by equating the exponents on both sides of the equation:

5x = x

4x = 0

x = 0

Therefore, the solution to the equation is x = 0.

frank is building a playhouse for his daughter. the playhouse is a composite figure with a floor and no windows. what is the surface area of the playhouse? the playhouse is a rectangular prism and triangular prism.

Answers

The surface area of the playhouse is 564 square feet.

Frank is building a playhouse for his daughter.

The playhouse is a composite figure with a floor and no windows.

The playhouse is a rectangular prism and a triangular prism.

The formula for the surface area of a rectangular prism is 2lw + 2lh + 2wh,

where l is the length,

w is the width,

and h is the height.

Therefore, the surface area of the rectangular prism portion of the playhouse can be calculated by substituting the given values into the formula.

Surface area of the rectangular prism = 2lw + 2lh + 2wh

For the rectangular prism, l = 10 feet, w = 8 feet, and h = 6 feet.

Substituting the values in the formula.

Surface area of the rectangular prism

= 2lw + 2lh + 2wh

= 2 (10 feet × 8 feet) + 2 (10 feet × 6 feet) + 2 (8 feet × 6 feet)

= 160 feet2 + 120 feet2 + 96 feet2= 376 feet2

The surface area of the rectangular prism of the playhouse is 376 square feet.

The formula for the surface area of a triangular prism is 2lw + lh + ph,

where l is the length, w is the width, h is the height, and p is the slant height.

Therefore, the surface area of the triangular prism portion of the playhouse can be calculated by substituting the given values into the formula.

Surface area of the triangular prism = 2lw + lh + ph

For the triangular prism, l = 8 feet, w = 5 feet, h = 6 feet, and p = 10 feet.

Substituting the values in the formula.

Surface area of the triangular prism = 2lw + lh + ph= 2 (8 feet × 5 feet) + (8 feet × 6 feet) + (10 feet × 6 feet)= 80 feet2 + 48 feet2 + 60 feet2= 188 feet2

The surface area of the triangular prism of the playhouse is 188 square feet.

The total surface area of the playhouse can be found by adding the surface area of the rectangular prism and the surface area of the triangular prism.

Surface area of the playhouse = surface area of rectangular prism + surface area of triangular prism.

= 376 square feet + 188 square feet

= 564 square feet.

For similar question on surface area.

https://brainly.com/question/28776132

#SPJ11

a lottery offers one $1000 prize, one $500 prize, and five $100 prizes. one thousand tickets are sold at $3 each. find the expectation if a person buys one ticket.

Answers

the expectation of buying one ticket is $2

Expectation if a person buys one ticket A person is interested in buying a ticket for a lottery that offers one $1000 prize, one $500 prize, and five $100 prizes. One thousand tickets are sold at $3 each. The expected return is calculated using the following formula:

Expectation = (Probability of winning Prize 1 × Value of Prize 1) + (Probability of winning Prize 2 × Value of Prize 2) + (Probability of winning Prize 3 × Value of Prize 3)To determine the expectation, we must first determine the probability of winning each of the three prizes.

Since one thousand tickets are sold and only one person can win the first prize, the probability of winning the $1000 prize is 1/1000 or 0.001. Similarly, the probability of winning the $500 prize is 1/1000 or 0.001. Since five $100 prizes are available and only one person can win each prize, the probability of winning any one of the five $100 prizes is 5/1000 or 0.005.

Therefore, the expectation is calculated as follows: Expectation = (0.001 × $1000) + (0.001 × $500) + (0.005 × $100)Expectation = $1 + $0.50 + $0.50Expectation = $2Thus, the expectation of buying one ticket is $2. This means that the average value of a ticket is $2, and a person can expect to win $2 on average by purchasing a ticket. Since the cost of a ticket is $3, the expected return is less than the cost of the ticket, and therefore, it is not a good investment from a financial standpoint.

To know more about  probability refer here :

https://brainly.com/question/11234923

#SPJ11

Describe each number at least one other way. A)35. 8 million
b)115. 2 thousands
c)97. 8 ten millions

Answers

A) 35. 8 million; thirty-five million eight hundred thousand, or thirty-five million eight hundred thousand dollars ,(b)115. 2 thousand; one hundred and fifteen thousand two hundred.(c) 97.8 million eight hundred thousand; 97.8 million eight hundred thousand. or 978 million.

What significance do numbers have?

We need good numeracy skills as parents to assist our children to develop, as patients to grasp healthcare information, and so as politicians to make sense of numbers and economic news. Selections in life were frequently based upon numerical data; in order to arrive at optimal decisions, we must be good at maths.

How are numbers used in everyday life?

Numbers are utilized in a variety of mathematical operations such as summation, subtraction, multiplication, division, percentage, and so on, that we employ in the everyday companies and exchanges. Quantities are numerical symbols representing integers that may be used for numbering, estimating, and doing other arithmetic operations.

To know more about integers click here

brainly.com/question/10930045

#SPJ4

pls help
find the area of the composite figure.

Answers

Answer:

area=188

Step-by-step explanation:

12×14=168 for the area of the rectangle

2×10=20

20÷2=10 for the area of triangle

168+10+10=188

area=188

Which relationships describe angles 1 and 2?

Select each correct answer.


adjacent angles


complementary angles


vertical angles


supplementary angles

Answers

Answer:

1+2=90° .so complementary angle

in a large population, 64% of the people have been vaccinated. if 3 people are randomly selected, what is the probability that at least one of them has been vaccinated?

Answers

The probability that at least one of three randomly selected people has been vaccinated in a large population where 64% of people have been vaccinated is 0.784.

The probability that at least one of three randomly selected people has been vaccinated in a large population where 64% of people have been vaccinated can be calculated using the binomial probability formula.

The binomial probability formula is used to calculate the probability of a given number of successes from a given number of trials when the probability of success is constant. In this case, the number of trials is 3 (i.e. the three randomly selected people) and the probability of success is 64% (i.e. the probability that each of the randomly selected people has been vaccinated).

To calculate the probability that at least one of the three randomly selected people has been vaccinated, we first calculate the probability of none of them having been vaccinated:
P(none) = (1 - 0.64)^3 = 0.216

Then, the probability of at least one of them having been vaccinated is 1 - P(none) = 1 - 0.216 = 0.784.

In conclusion, the probability that at least one of three randomly selected people has been vaccinated in a large population where 64% of people have been vaccinated is 0.784.

See more about binomial probability at: https://brainly.com/question/24756209

#SPJ11

write a linear equation with a slope of -7

Answers

y=-7x because a linear equation requires a 1 in the exponents place of the variable and the m (slope) is -7.

Write the linear equation in standard form y=19/14x+13

Answers

The linear equation in standard form is 19x - 14y = -182.

What is Linear equation?

A linear equation is a mathematical equation that describes a straight line on a graph. In other words, it is an equation that relates a variable or variables to a constant through a linear function, where the highest power of the variable is one. A general form of a linear equation is:

y = mx + b

To write the linear equation in standard form Ax + By = C, where A, B, and C are integers and A is positive, we need to get rid of the fraction in the equation.

To do this, we can multiply both sides of the equation by the denominator of the fraction, which is 14. This gives:

14y = 19x + 182

Next, we can rearrange this equation by subtracting 19x from both sides:

-19x + 14y = 182

Finally, we can multiply both sides of the equation by -1 to make the coefficient of x positive:

19x - 14y = -182

So, the linear equation in standard form is 19x - 14y = -182.

To learn more about linear equation, visit the link:

https://brainly.com/question/2030026

#SPJ1

5=10÷x???????????????​

Answers

Answer:

x=2

Step-by-step explanation:

10÷2=5

Answer: x=2

Step-by-step explanation:

5x2 = 10

10÷5 = 2

hope this helped

76. cash to find work? (4.2) will cash bonuses speed the return to work of une,ployed people? the illinois department of employment security designed an expierment to find out. the subjects were 10,065

Answers

The experiment by the Illinois Department of Employment Security found that cash bonuses can be an effective way to incentivize unemployed people to return to work.

The experiment conducted by the Illinois Department of Employment Security provides evidence on whether cash bonuses can speed up unemployed people's return to work. The results of the experiment suggest that offering cash bonuses can be an effective way to incentivize people to find work.

Specifically, the experiment found that the group of individuals who were offered a $500 cash bonus for finding a job within 11 weeks and holding it for at least 4 months were more likely to find employment than the control group. Additionally, the group that could tell potential employers that the state would pay the employer $500 for hiring them also had a higher likelihood of finding work compared to the control group.

Learn more about cash bonuses here

brainly.com/question/18485931

#SPJ4

The given question is incomplete, the complete question is:

The Illinois Department of Employment Security designed an experiment to find out. The subjects were 10,065 people aged 20 to 54 who were filing claims for unemployment insurance. Some were offered $500 if they found a job within 11 weeks and held for at least 4 months. Others could tell potential employers that the state would pay the employer$500 for hiring them. A control group got neither kind of bonus. Will cash bonuses speed unemployed people's return to work?

use excel to find the critical value of z for each hypothesis test. (negative values should be indicated by a minus sign. round your answers to 3 decimal places.) (a) 2 percent level of significance, two-tailed test.

Answers

The critical value of z for each hypothesis  test is 2.326

In this question, we are asked to use Excel to find the critical value of z for each hypothesis test. We are given a 2 percent level of significance for a two-tailed test. To find the critical value, we can use the NORM.S.INV function in Excel. The syntax for this function is =NORM.S.INV(probability).

We can enter the probability as 1 - (alpha / 2) for a two-tailed test, where alpha is the level of significance. We can then round the result to three decimal places.

To find the critical value for a 2 percent level of significance, two-tailed test, we can follow these steps:

Step 1: Calculate the value of alpha

Alpha = 2% = 0.02

Step 2: Calculate

1 - (alpha / 2)1 - (alpha / 2)

= 1 - (0.02 / 2)

= 0.99

Step 3: Use the NORM.S.INV function in Excel=NORM.S.INV(0.99)

This gives us a critical value of z = 2.326.

Therefore, the critical value of z for the hypothesis test with a 2 percent level of significance and a two-tailed test is 2.326.

To learn more abouth hypothesis test: https://brainly.com/question/25263462

#SPJ11

if a water bottle contains 375 ml, what is the volume in quarts? group of answer choices 1.21 qt 355,000 qt 0.396 qt 0.826 qt 2.52 qt

Answers

If a water bottle contains 375 ml, So the volume in quarts is 0.396 qt.

       The volume of a water bottle containing 375 ml can be converted into a quart using the conversion formula.

          One can use the following conversion formula to convert a given volume in ml to quarts.

          The conversion formula for ml to quarts is given as;

                      1 ml = 0.00105669 quarts

Volume in quarts = Volume in ml × 0.00105669

     Now, to calculate the volume of 375 ml of the water bottle in quarts,

     We will substitute the given volume in the above conversion formula as follows,

      Volume in quarts = 375 ml × 0.00105669

                                    = 0.396 qt

       Hence, the volume of the water bottle containing 375 ml is 0.396 qt.

      Therefore, the correct option is C. 0.396 qt.

Learn more about volume conversion in quarts at: https://brainly.com/question/898411

#SPJ11

A sphere has a radius of 9in. the sphere is cut in half. what is the volume of each hemisphere. use 3.14 for pi and round to the hundredths if needed. Show work. PLEASE ANSWER IT

Answers

The formula for the volume of a sphere is given as:

V = (4/3)πr³

where V is the volume of the sphere, r is the radius, and π is the constant pi (3.14).

To find the volume of each hemisphere, we need to find the volume of the entire sphere and then divide it by 2. The volume of the entire sphere is:

V = (4/3)πr³
V = (4/3)π(9in)³
V = (4/3)π(729in³)
V = 3053.63in³ (rounded to the hundredths)

Now, to find the volume of each hemisphere, we divide this value by 2:

V = 3053.63in³ ÷ 2
V = 1526.82in³ (rounded to the hundredths)

Therefore, the volume of each hemisphere is approximately 1526.82 cubic inches.

Kelly is flying a kite to which the angle of elevation is 70 degrees. The string on the kite is 65 meters long. How far is the kite above the ground?

Answers

If Kelly is flying a kite to which the angle of elevation is 70 degrees. The string on the kite is 65 meters long. The kite is about 61 meters above the ground.

How to find the height?

We can use trigonometry to solve the problem. Let's call the height of the kite above the ground "h".

Using trigonometry, we can write:

sin (70) = h / 65

Solving for h, we get:

h = 65 * sin(70)

h= 65 * 0.9397

h ≈ 61 meters

Therefore, the kite is about 61 meters above the ground.

Learn more about height here: https://brainly.com/question/73194

#SPJ1

give the number of total electron groups, the number of bonding groups, and the number of lone pairs for geometry (a). express your answer as integers separated by commas.

Answers

Hence, the answer is (4, 3, 1).In conclusion The answer provided above is concise and ng factually correct, and it addresses the question directly.

In order to determine the number of total electron groups, bondiroups, and lone pairs for geometry (a), we need to use the VSEPR theory. According to this theory, the electron groups around a central atom in a molecule will arrange themselves in a way that minimizes their repulsion. The total number of electron groups includes both the bonding and lone pairs of electrons.To determine the number of electron groups for geometry (a), we first need to determine the molecular geometry of the molecule.

From the given name, we can assume that geometry (a) is tetrahedral. In a tetrahedral molecule, there are four electron groups: three bonding groups and one lone pair. Therefore, the number of total electron groups for geometry (a) is four, the number of bonding groups is three, and the number of lone pairs is one.

for such more questions on VSEPR theory.

https://brainly.com/question/26498231

#SPJ11

Would a line through these two points A and B be a good fit for the data? Why or why not?

(Please don’t mind the other words! TvT

Answers

Answer is NO it is not a good fit

A line of best fit is a straight line drawn through the maximum number of points on a scatter plot with an equal number of points above and below the line.

It is used to study the nature of relation between two variables.

This line would be a negative slope line going through a maximum number of points
Other Questions
experiencing a situation as suddenly unfamiliar when in fact it is part of one's daily life is called: A line has a slope of 5/6 and passes through the point (7,6). Write its equation in slope-intercept form. when the light ray enters the air from the water, will the refracted light ray bend further from or closer to the normal? which prescribed action has the highest priority when a client comes to the emergency department with moderate substernal chest pain that is unrelieved by rest and nitro which word is spelled with one or more silent consonants?responses cosmopolitan cosmopolitan, hydropower hydropower onslaught onslaught sophisticated a researcher is doing a study on champagne consumption. she has defined three different income groups and has assigned interviewers a specific number of interviews with respondents in each group. this is an example of a cost benefit analysis balances the cost of an action against what Please help I give 55 pt. (9a) 1. which step in the stp process develops descriptions of the different segments, which helps firms better understand the customer profiles in each segment? liquids are anisotropic because their properties are independent of the axis of testing. true or false In PQR, PQ= 5.4, QR= 3.6, and PR=6.2. To the nearest Tenth, what is MR why are two-component regulatory systems particularly useful for controlling gene expression in response to environmental signals? if the un convention on the prevention and punishment of the crime of genocide had existed during the nineteenth century, how might it have been applied to the actions of the eel river rangers? explain, citing from the chapter by brendan lindsay to support your answer. which individuals might have been prosecuted under the convention, and why? how might individual members of the eel river rangers have attempted to argue that their actions were not prosecutable under the convention? looking back at our other readings from part ii (aside from the lindsay chapter), what other information do you see that relates directly to the un convention on the prevention and punishment of the crime of genocide? cite from at least one reading (other than lindsay), and explain how it relates to one or more specific articles of the convention. which of the following argues that leaders assume that people are inclined to embrace change when they are respected as individuals with intrinsic worth, agency, and capability? top-down change deficit-based change emergent approach abundance-based change appreciative mindset a segment that a company wants to appeal to with its products and marketing activities toward are known as a market the outcome of the gram stain is based on differences in the bacterial cell's multiple choice ribosomes. cell wall. flagella. inclusions. cell membrane. what are three positive qualities required for a healthy relationship? Write a essay on conservation measures the need for conservation one explanation for the differing numbers of hours worked in the united states and western europe is the you must directly expose cells to the uv light when attempting to disinfect because: (select all that apply) group of answer choices uv does not penetrate surfaces uv does not pass through plastic uv does not penetrate through the air uv does not pass through glass uv works best when not in direct contact with the cell