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PLS HELPP

Step 1: Finding regression equations for the relationship between time and degrees earned.

Below is a table depicting the number of US citizens, in thousands, who earned a bachelor's degree for each year since 2000.

Year:      00      01     02      03      04    05     06        07        08

Male:     530    532   550   573   595  613   631     668       681

Female: 708  712     742   775   804    826   855    895      918

1. a) Use the regression calculator or another tool of your choice to create a scatter plot of the data for men, where the independent variable is the year since 2000 and the dependent variable is the number of people (in thousands). Take a screenshot of your scatterplot and paste it below. If your graph does not include labels, then include a description of what the axes represent.
2. b) Use your calculator to find the regression line y = mx + b for men where x is the number of years since 2000 and y is the number of men. Complete the regression equation below. M(x) =
3. c) Repeat the above steps with the data for women.

Complete the regression equation below.

F(x) =

1. same direction. Physics 

The work done by the gravitational force is negative, as the force and displacement are in opposite directions.

Question 4: A box of mass 1 kg is pulled on a horizontal surface of length 1 meter by a force of 8 newtons. It is then raised vertically to a height of 2 meters at a constant speed. What is the net work done?

Solution:

The work done on the horizontal surface is given by:

Work done = Force x Displacement x cos(theta)

= 8 newtons x 1 meter x cos(0 degrees)

= 8 joules

The work done in raising the box vertically is given by:

Work done = Force x Displacement x cos(theta)

= 1 kg x 9.8 m/s^2 x 2 meters x cos(180 degrees)

= -19.6 joules

The net work done is the sum of the work done on the horizontal surface and the work done in raising the box vertically:

Net work done = 8 joules + (-19.6 joules) = -11.6 joules

Which part of trees are normally use for timber 

Who invented science

Ans:Most consider Aristotle as the first scientist — in an absolute sense. In the fourth century B.C., Aristotle gave unprecedented theories and developed ideas that shape scientific logic and observation as we know it today.

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What is meant solar system? 

How many components has ecosystem?

What is diapedesis?

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Test question. Please ignore!

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