Leigh has a piece of rope thst is 6 2/3 feet long. how do you write 6 2/3 as a fraction greater than 1

Answers

Answer 1

Answer: 20/3 - Take the 6 2/3, multiply the 6 and the 3 (6 x 3 = 18), then add the 2 (18 + 2 = 20). Put that number over the original 3 and you've got yourself a mixed number. i hope it help =)

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Help this is really hard

Arm Span(x) Height(y) (58, 60)
(49, 47)
(51, 55)
(19, 25)
(37, 39)
(44, 45)
(47, 49)
(36, 35)
(41, 40)
(46, 50)
(58, 61)
(67, 63)

1. Representation of Data with Plots Using graphing software of your choice, create a scatter plot of your data. Predict the line of best fit, and sketch it on your graph. Copy and paste your scatter plot into a word processing document.

2. The Line of Best Fit Include your scatter plot and the answers to the following questions in your word processing document:

Which variable did you plot on the x-axis, and which variable did you plot on the y-axis? Explain why you assigned the variables in that way.

Write the equation of the line of best fit using the slope-intercept formula y = mx + b. Show all your work, including the points used to determine the slope and how the equation was determined.

What does the slope of the line represent within the context of your graph? What does the y-intercept represent?

Test the residuals of two other points to determine how well the line of best fit models the data. Use the line of best fit to help you to describe the data correlation.

Using the line of best fit that you found in 2, approximate how tall is a person whose arm span is 66 inches?

According to your line of best fit, what is the arm span of a 74-inch-tall person?

Answers

Answer:

Here's what I get.

Step-by-step explanation:

1. Representation of data

I used Excel to create a scatterplot of the data, draw the line of best fit, and print the regression equation.

2. Line of best fit

(a) Variables

I chose arm span as the dependent variable (y-axis) and height as the independent variable (x-axis).

It seems to me that arm span depends on your height rather than the other way around.

(b) Regression equation

The calculation is easy but tedious, so I asked Excel to do it.

For the equation y = ax + b, the formulas are

$a = (\sum y \sum x^(2) - \sum x \sumxy)/(n\sum x^(2)- \left (\sum x\right )^(2))\n\nb = (n\sumx y - \sum x \sumxy)/(n\sum x^(2)- \left (\sum x\right )^(2))$

This gave the regression equation:

y = 1.0595x - 4.1524

(c) Interpretation

The line shows how arm span depends on height.

The slope of the line says that arm span increases about 6 % faster than height.

The y-intercept is -4. If your height is zero, your arm length is -4 in (both are impossible).

(d) Residuals

$\begin{array}{cccr}&\textbf{Arm Span} & \textbf{Arm Span}&\n\textbf{Height/in} &\textbf{Actual} & \textbf{Predicted}&\textbf{Residual}\n25 & 19 & 22.3 & -3.3\n40 & 41 & 38.2 & 2.8\n55 & 51 & 54.1 & -3.1\n65 & 67 & 62.6 & 4.4\n \end{array}$

The residuals appear to be evenly distributed above and below the predicted values.

A graph of all the residuals confirms this observation.

The equation usually predicts arm span to within 4 in.

(e) Predictions

(i) Height of person with 66 in arm span

$\begin{array}{rcl}y& = & 1.0595x - 4.1524\n66 & = & 1.0595x - 4.1524\n70.1524 & = & 1.0595x\nx & = & (70.1524)/(1.0595)\n\n& = & \textbf{66 in}\n\end{array}\n\text{A person with an arm span of 66 in should have a height of about $\large \boxed{\textbf{66 in}}$}$

(ii) Arm span of 74 in tall person

$\begin{array}{rcl}y& = & 1.0595x - 4.1524\n& = & 1.0595*74 - 4.1524\n& = & 78.4030 - 4.1524\n& = & \textbf{74 in}\n\end{array}\n\text{ A person who is 74 in tall should have an arm span of $\large \boxed{\textbf{74 in}}$}$

What multiples of 4 are not factors of 48?

Answers

Multiples of four:
4, 8, 12, 16, 24, 28, 32, 36

Is 4 a factor of 48?
48/4=12
Yes, so that means 4 is not the answer.

Is 8 a factor of 48?
48/8=6
Yes, so that means 8 is not the answer.

Is 12 a factor of 48?
48/12=4
Yes, so that means 12 is not the answer.

Is 16 a factor of 48?
48/16=3
Yes, so that means 16 is not the answer.

Is 24 a factor of 48?
48/24=12
Yes, so that means 24 is not the answer.

Is 28 a factor of 48?
48/28= irrational number
No, so that means 28 is the answer.

Is 32 a factor of 48?
48/32= irrational number
No, so that means 32 is the answer.

Is 36 a factor of 48?
48/36= irrational number
No, so that means 36 is the answer.

Answer: 28, 32, 36

There is 20, then there's bunches of even numbers after the number 48. Also there's 28, 32, 36, 40 and 44.
Hope this helps!:)

What is the absolute value of 8.75

Answers

the answer is 8.75 cause absolute value is just how amny units a number is from zero

To find an absolute value you ask yourself "how far away is it from 0?" And that amount is the absolute value.

The baby sleeps from 9pm to 5am. How many hours does the baby sleep?

Answers

Answer: 8 hours.

Step-by-step explanation:

If the baby sleeps from 9pm to 5am, you will count. 9pm-12am is 3 hours of sleep. if you add 5 more hours, (12am+5 hours) it equals 5am. 5hours + 3hours is 8 hours.

Answer: 8 hours

Step-by-step explanation:

if you add 9+5 you will get 14 but if you count it like you would for hours it would be 9-10-11-12-1-2-3-4-5

Marta has 1 cubic yard of sand to build a wall in the shape of a rectangular prism that is 20 inches tall and 5 inches wide. To the nearest foot, what will be the length of this wall?