Leah measured a line to be 2.1 inches long. If the actual length of the line is 2.2 inches, then what was the percent error of the measurement, to the nearest tenth of a percent?

Answers

Answer 1

Answer:

Step-by-step explanation:

divide the required value by the total value and multiply by 100.

a/bx100= y

2.2 - 2.1 =0.1 inches

percentage of error=

0.1 / 2.2 x100

4.54 %


Related Questions

Given the following cash inflow at the end of each year, what is the future value of this cash flow at 5%, 8%, and 17% interest rates at the end of year 7? What is the future value of this cash flow at 5% interest rate at the end of year 7?

Answers

A $1000 cash inflows at the end of each year would have a future value of $8,142.01, $8,922.80 and $11.772012 at the end of the year 7 for interest rates of 5% , 8% and 17% respectively.

Future Value:

Annuities are a financial instrument that generates a regular stream of cash. They have both a present and future value dependent upon the value of the cash payment, the number of payment periods and the interest rate. This question does not specify the cash inflow amount so an answer will be generated that can be scaled on multiples of $1000.

Let C represent the cash inflow at the end of each year. The future value (FV) of this cash inflow is given by:

FV = [tex]C[((1+i)^n-1)/i][/tex]

where i is the annual interest rate and n is the number of years.

(a) For i = 5% and n = 7

FV = [tex]C [((1+0.05)^7-1)/0.05][/tex]

FV= C[(1.047100-1)/0.05]

FV = C [8.142008]

(b) For i = 8% and n = 7

FV = [tex]C [((1+0.08)^7-1)/0.08][/tex]

FV = C[(1.713824 - 1)/0.08]

FV = C[8.922803]

(c) For i = 17% and n = 7

FV = [tex]C [((1+0.17)^7-1)/0.17][/tex]

FV = C[(3.001242 - 1)/ 0.17]

FV = C[11.772012]

Therefore, A $1000 cash inflows at the end of each year would have a future value of $8,142.01, $8,922.80 and $11.772012 at the end of the year 7 for interest rates of 5% , 8% and 17% respectively.

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line 1 is y=2x line 2 is y=2x-3 how many solutions are there and whats the coordinates.

Answers

Answer:

no solutions

Step-by-step explanation:

y = 2x → (1)

y = 2x - 3 → (2)

since both equations express y in terms of . equate the right sides to find any solutions.

2x - 3 = 2x ( add 3 to both sides )

2x = 2x + 3 ( subtract 2x from both sides )

0 = 3 ← false statement

this indicates there are no solutions

Mathematics Grade 11 Capricom Sou SECTION A Part 1 Solve for x in the following equation by using exponential rules 1. 27**** = 3³x² x 9​

Answers

The solution to the expression is x = 1/9

How to determine the solution to the expression

From the question, we have the following parameters that can be used in our computation:

27**** = 3³x² x 9​

Express properly

27 = 3³x² * 9​

We can start solving this equation by rearranging it to isolate the variable x:

27 = 243x

Now we divide both sides by 243 to find x

x = 27/243

Evaluate

x = 1/9

Hence, the solution is 1/9

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According to the yearly compound interest, a sum of money amounts to Rs. 6050 in 2 year and Rs. 6655 in 3 years. What was the sum? Ans: Rs. 5000​

Answers

The principal sum of the given compound interest is Rs 5000.

What is principal amount?

The total amount of money borrowed (or invested), not including any interest or dividends, also called sum.

Given that, a sum of money amounts to Rs. 6050 in 2 year and Rs. 6655 in 3 years. we are asked to find the principal amount or sum,

CI = P(1+r/100)ⁿ

P = principal amount, CI =  compound interest, r = rate, n = time

Therefore,

CI = 6050(1+r/100)²....(i)

CI = 6655(1+r/100)³....(ii)

Diving eq(ii) by eq(i)

6655 / 6050  = (1+r/100)

1+r/100 = 1.1

r/100 = 1.1-1

r/100 = 0.1

r = 10%

Put r = 10% in eq(i)

6050 = p(1.1)²

p = 5000

Hence, the principal sum of the given compound interest is Rs 5000.

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Can someone help me with this aleks question

Answers

The value of angles are,

∠ H = 20°

∠ G  = 100°

∠ I = 60°

What is mean by Triangle?

A triangle is a three sided polygon, which has three vertices and three angles which has the sum 180 degrees.

Given that;

Two triangles are similar.

Now, We have in triangle XYZ,

∠Y = 20°

∠Z = 100°

Hence, ∠ X = 180 - (100 + 20)

∠ X = 60°

Thus, By definition of similarity;

∠ H = ∠ Y = 20°

∠ G = ∠ Z = 100°

∠ X = ∠ I = 60°

Thus, The value of angles are,

∠ H = 20°

∠ G  = 100°

∠ I = 60°

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Find the value of p for which the polynomial x3 + 4x²-px-18 is exactly divisible by x-2. Hence factories the polynomial​

Answers

Solution in da attachment!! :)

Need some help please

Answers

x+6y+10

llllllllllllllllllllllllllllllllllllllllllllllllll

how to calculate the median in excel?

Answers

Answer:

Step-by-step explanation:

By using the Median Function in Excel  =Median()

Solve this problem pls

Answers

The simplification of the given expression

[tex]3 \frac{1}{5} x + 10 \frac{7}{9} - 2 \frac{2}{5} x - 10 \frac{8}{9} [/tex]

is

[tex]\frac{4}{5}x - \frac{1}{9}x[/tex]

How to simplify expressions?

[tex]3 \frac{1}{5} x + 10 \frac{7}{9} - 2 \frac{2}{5} x - 10 \frac{8}{9} [/tex]

Change into improper fraction

[tex] = \frac{16}{5} x + \frac{97}{9} - \frac{12}{5}x - \frac{98}{9} [/tex]

[tex] [/tex]

Collect like terms

[tex]= \frac{16}{5}x - \frac{12}{5}x + \frac{97}{9} - \frac{98}{9} [/tex]

Subtract

[tex] = \frac{4}{5}x - \frac{1}{9}x [/tex]

Consequently, the solution to the expression is

[tex] = \frac{4}{5}x - \frac{1}{9}x [/tex]

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Answer:

= 36x - 5.

Step-by-step explanation:

Sorry for my cancellation

i need help. thank you

Answers

The following compositions are shown below:

Case 1

f ° g (x) = x, g ° f (x) = x

The two functions are inverses of each other.

Case 2

f ° g (x) = x, g ° f (x) = x

The two functions are inverses of each other.

How to find the composition between two functions and determine if the two functions are inverses or not

In this problem we need to determine the composition between two functions and determine if both functions are inverses of each other. A composition is defined below:

f ° g (x) = f [g (x)]

Where the independent variable of the function f(x) is substituted by function g(x). Two functions are inverses if and only if the following condition is fulfilled:

f[g (x)] = g[f (x)]

Now we proceed to determine the compositions and relationships for each case:

Case 1

f(x) = 3 · x

g(x) = x / 3

f ° g (x) = 3 · (x / 3)

f ° g (x) = x

g ° f (x) = (3 · x) / 3

g ° f (x) = x

Functions f(x) and g(x) are inverses of each other.

Case 2

f(x) = (x - 3) / 2

g(x) = 2 · x + 3

f ° g (x) = [(2 · x + 3) - 3] / 2

f ° g (x) = 2 · x / 2

f ° g (x) = x

g ° f (x) = 2 · [(x - 3) / 2] + 3

g ° f (x) = (x - 3) + 3

g ° f (x) = x

Functions f(x) and g(x) are inverses of each other.

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How many cg are in g?

Answers

Answer:

there are 100 centigrams in a gram

Step-by-step explanation:

If m∠A = 50° and m∠B = 45°, what is m∠H?

(If anyone knows all the answer to any of these please provide a link.)

(It's called Chapter 5 Test, 3B Ratio, Proportion, and Similar Figures)

Answers

The measure of m∠H in the triangle is 85°.

How to find the measure of m∠H?

Similar triangles are two triangles that have the same shape but can have different sizes. More specifically, two triangles are similar if their corresponding angles are congruent and their corresponding sides are proportional.

Since ΔABC and ΔFGH are similar, we can say:

m∠A =  m∠F

m∠B =  m∠G

m∠C =  m∠H

m∠A  +  m∠B +  m∠C = 180° (sum of angles in a triangle)

We have m∠A = 50° and m∠B = 45°

50°  +  45°  +  m∠C = 180°

m∠C = 180° - 50° - 45°

m∠C = 85°

Since m∠C =  m∠H

Thus, m∠H =  85°

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Why is the lac curve called the envelope curve?

Answers

The lac curve, also known as the envelope curve, is a curve that shows the maximum amount of work that can be done in a given period of time.

It is defined by the equation: W = min {W1 + W2, W3, W4, ..., Wn}, where W1, W2, W3, W4, ..., and Wn are the individual work tasks. The envelope curve is called such because it forms an envelope that encompasses all of the individual tasks on the graph, visually representing the maximum amount of work that can be done within the given timeline. This curve can be used to assess the efficiency of a task or project, as well as to analyze the impact of changes in the workload, deadlines, and resources.

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Can y’all help me and solve for x
and I’m not sure if my answer is right

Answers

Your right no need to change it.

In 2015 the highest tower in the world is the tower Burj Khalifa in Dubai.
It measures 828 meters of height
Alex have represented this tower at the scale 1=4000
What is the height of the tower in his draw ?

Answers

The height of the tower in Alex's drawing is 20.7 centimeters.

What is Unit of Measurement?

A unit of measurement is a definite magnitude of a quantity, defined and adopted by convention or by law, that is used as a standard for measurement of the same kind of quantity.

We need to find the height of the tower in Alex's drawing.

Let us multiply the actual height of the tower by the scale factor.

Scale factor = 1 : 4000

Height of the actual tower = 828 meters

Height of the tower in Alex's drawing = 828 meters x (1/4000) = 0.207 meters or 20.7 centimeters.

Therefore, the height of the tower in Alex's drawing is 20.7 centimeters.

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What are tables in a research paper?

Answers

Tables and figures area way of presenting data in an organized form or more in a presentable way to attract more audience.

With tables and figures, it arranges your data to a simplified form and also it makes the content easy to understand for the front person.

Tables and figures in scientific papers are wonderful ways of presenting data. Effective data presentation in research papers requires understanding your reader and the elements that comprise a table.

It also several elements, including the legend, column titles, and body.

With all this tables in a research paper helps the reader understand the content for the data more effectively and efficiently.

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what kind of slope is x = -5

Answers

Answer:

undefined slope

Step-by-step explanation:

The graph of the equation x = -5 is a vertical line That passes through point (-5, 0).

The slope of a vertical line is undefined.

HELP ASAP compare these

1.) 2 (1/5)x-5

2.) y=2x

Answers

Both the equations cut at the point (- 3.125, - 6.25).

What is an expression?

Mathematical expression is defined as the collection of the numbers variables and functions by using operations like addition, subtraction, multiplication, and division.

Given that;

The equations are,

1) 2(1/5)x - 5

2) y = 2x

Now, We can draw the equations by using tool,

Hence, We get the graph of function 2(1/5)x - 5 shows by green line and y = 2x shows by red line.

Clearly, Both the function are cut at the point (- 3.125, - 6.25).

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what is 73kg to lbs?

Answers

73 kg is equivalent to approximately 160.937 pound (lbs).

Kilogram (kg) and pound (lb) are both units of mass commonly used in different parts of the world. Kilogram is the base unit of mass in the International System of Units (SI) and is defined as the mass of the International Prototype of the Kilogram, which is a platinum-iridium cylinder kept at the International Bureau of Weights and Measures in France.

Pound, on the other hand, is a unit of mass commonly used in the United States, the United Kingdom, and other countries, which is defined as exactly 0.45359237 kilograms. This value is based on the international avoirdupois pound, which is defined as exactly 0.45359237 kg.      

To convert kilograms to pounds, you can use the conversion factor of 2.20462 lbs/kg. To convert pounds to kilograms, you can use the conversion factor of 0.45359237 kg/lb.

To convert 73 kilograms (kg) to pounds (lbs), you can use the conversion factor of 2.20462.

So,

73 kg * 2.20462 lbs/kg = 160.937 lbs (rounded to three decimal places)

Therefore, 73 kg is equivalent to approximately 160.937 lbs.

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(Bradenton Bakery is baking a cake for a customer's quinceañera. The cake mold is shaped like a cylinder with a diameter of 8 inches and height of 6 inches.
Which of the following shows a correct method to calculate the number of cubic units of cake batter needed to fill the mold?
Approximate using pi equals 355 over 113. )
V equals 355 over 113 times 8 squared times 6
V equals 355 over 113 times 6 squared times 8
V equals 355 over 113 times 6 squared times 4
V equals 355 over 113 times 4 squared times 6

Answers

The method that is used to calculate the cubic units of cake batter needed to fill the mold is V equals 355 over 113 times 4 squared times 6. (third option)

How much cake batter is needed to fill the mold?

A cylinder is a three-dimensional object. It is a prism with a circular base. The amount of cake batter that is needed to fill the mold is equal to the volume of the cylinder.

Volume of a cylinder = πr²h

Where:

π = 355 / 113 = pir = radius = diameter / 2 = 8 / 2 = 4 inchesh = height

= 355/133 x 4² x 6

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The answer is V equals 355 over 113 times 4 squared times 6, thus, option (d)

The formula for volume of a cylinder is: V= πr2h, so if pi = 355/113 then

V= (355/113)(4)2(6)

Goodluck! ~izzy~

Sixty percent of the students preferred raisins to banana chips. If there
were 95 students in all, how many preferred banana chips

Answers

The number of students who preferred banana chips are 57.

What is the percentage?

The percentage is defined as representing any number with respect to 100. It is denoted by the sign %. The percentage stands for "out of 100." Imagine any measurement or object being divided into 100 equal bits.

Given that sixty per cent of the students preferred raisins to banana chips. If there were 95 students in all, the number of the students will be calculated as:-

Number = 95 x 60%

Number = 95 x 60 / 100

Number = 95 x 0.6

Number = 57

Therefore, the number of students who choose banana chips is 57.

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can anyone help me with this

Answers

The answer is -8
You can see the solution in the picture

Please hurry, and I will give brainiest
Describe what your first step would be in solving the system of equations:
4x + 2y = 11
3x - y = 9

Answers

The first step is to describe the method to take

How to determine the first step

To solve the system of equations 4x + 2y = 11 and 3x - y = 9, the first step would be to choose a method to solve the system.

There are several methods for solving systems of equations, including:

Substitution methodElimination methodGraphing method

One common method is the substitution method, which involves solving one equation for one variable and then substituting the expression for that variable into the other equation.

For example, we could solve the second equation 3x - y = 9 for y to get:

y = 3x + 9

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Find the radius of each circle. round your answer to the nearest tenth
area=64π ft²

Answers

Answer: 64 MBS/43XY

Step-by-step explanation:

courseeeeeeeeee

Answer: r =[tex]\sqrt{4/\pi } =\sqrt{64/\pi } =4.51352[/tex]

Step-by-step explanation:

3 pounds of apples cost 5.52 how much for 10 pounds?

Answers

Answer:

OUT OF BUSINESS

Step-by-step explanation:

you cant afford it on food stamps my guy

$18.40 for 10 pounds of apples

1 pound of apples = 1.84

10*1.84=$18.40

how to use calculus cheat sheet?

Answers

A calculus cheat sheet can be a helpful tool to assist you in studying and reviewing calculus concepts.

Here are some tips for how to use a calculus cheat sheet effectively:

1. Familiarize yourself with the content: Take the time to read through the entire cheat sheet to get a sense of what topics are covered and how the information is organized.

2. Use it as a study aid: A calculus cheat sheet can be a helpful study aid to review concepts and formulas before a test or exam. Work through practice problems and apply the concepts you have learned.

3. Keep it handy: Print out the cheat sheet or save it to your phone or computer so that you can refer to it whenever you need to.

4. Use it as a reference: As you work on calculus problems, use the cheat sheet to remind yourself of key concepts, formulas, and rules.

5. Customize it: You can create your own cheat sheet, which includes the formulas and concepts that you find most challenging. This will help you focus on the areas that you need to improve upon.

Remember that while a calculus cheat sheet can be a helpful tool, it is important to develop a deep understanding of calculus concepts through practice, problem-solving, and building intuition. The cheat sheet should be used as a supplement to your learning, not a replacement for it.

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Qualitative data contribute to analysis and should aid the explanation of a process that may otherwise be unclear if explained by quantitative data only. (T/F)

Answers

The given statement "Qualitative data contribute to analysis and should aid the explanation of a process that may otherwise be unclear if explained by quantitative data only." is true.

Qualitative data is non-numeric information that provides insight into attitudes, behaviors, motivations, and perceptions. It is typically collected through open-ended questions, observation, and interviews. Qualitative data can provide a rich and nuanced understanding of a process or phenomenon that may not be possible to obtain through quantitative data alone. This is because qualitative data can help to uncover the underlying reasons behind a process, how people experience it, and how it is perceived by different groups. As a result, qualitative data can provide valuable context and insight into a process that may otherwise be unclear if explained by quantitative data alone.

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Heidi earned $1130 a week last year. What was her yearly salary ?
A. $52,800
B. $54,240
C. $57,200
D. $58,760

Answers

Answer:

Its D

Step-by-step explanation:

1130 / 7 = 161

161 x 365 = 58 765

Answer: D

Step-by-step explanation:

If Figure 1 is similar to Figure 2, which of the following must be true?

Answers

there just reflected because the shape is just refected to the other side it the same but smaller

In the diagram, segment AD bisects angle BAC.

Given the following segment lengths, find the value of x.

Round to the nearest tenth.

AB = 23
AC = 18

Answers

The value of x is 77.5. In order to solve for x, we need to use the Triangle Angle Sum Theorem.

What is value?

Value is a subjective concept that referred to the word of importance that an individual group of people places on something it is often associated with principal beliefs and standard that are accepted by society when you can be seen as a measure of how important something is true person of organization it is often seen as a reflection of ones worldview and can help to save attitudes decision and behaviors believe is not an absolute and very depending on the context of the looks like commands.

In order to solve for x, we need to use the Triangle Angle Sum Theorem, which states that the sum of the angles in a triangle is 180°. Since angle BAC is bisected by segment AD, the two angles must be equal. Therefore, we can set up the following equation to solve for x:

180° = angle BAC = (x + 7) + (x + 18)

We can solve this equation by combining like terms and isolating the variable x.

180° = 2x + 25

2x = 155

x = 77.5

Therefore, the value of x is 77.5.

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I want to develop a legal drug that will help people be the best football players in the world (to use on the Oklahoma Sooners and Dallas Cowboys). In my experiment, I inject high school students with my new drug (experimental) or a placebo (control) and find that the drug worked (they played a game and the drug group won)! However, I am not able to publish my work, due to a selection threat to internal validity. Which of the following demonstrates that threat in my research? O A. Both groups were made up of football players. O B. The experimental group and the control group were not friends. O C. The control group consisted of people who were randomly assigned to be in that group, and we used random assignment for the experimental group. D. The experimental group consisted of students already playing football and the control group consisted of non-athletes E. The goal of the study did not include the University of Utah. 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