Homework 9, answers to Homework 8, quizzes for April 22

Here is the link to Homework 9, due Mon., April 27

Here is the link to the Answers for Homework 8

If you last name begins with A through H, here is your quiz to be completed by the end of class

If you last name begins with J through Z, here is your quiz to be completed by the end of class

Link to Monday's lecture

Click here to see the lecture from Monday, April 30.

Files for class on April 20

Click here for the notes I am using during the lecture.

Click here for the worksheet due by the end of class. Completing the work is worth 5 points toward the next quiz grade.

When you are finished with the worksheet, send an email with the answers to mhubbard@peralta.edu, I will send an answer sheet and grades of the students by tomorrow morning.

Answers

USA 12.3
Italy 39.1
Spain 43.7
France 30.2
UK 23.7
Belgium 49.0
Iran 6.1
Germany 5.5
China 0.3
Netherlands 21.5
 

Files for class on April 15

Link to the answers for last week's homework

Link to today's quiz. Note that there are two pages, but you only have to complete one, depending on your last name.

Link to the homework due Monday.

Class today at 9:30

Class starts today at 9:30, I will be in the room at 9:10 if you have questions. Same Zoom room number as last week, same for the rest of the term.

635-591-163

Please sign in with a name I recognize.

See you later this morning.

Here is a link to the notes.

Both lectures this week and a link to the homework

Monday's lecture

 Wednesday's lecture

Click this link for the homework

Homework is due Monday. Stay safe and I'll see you soon.
 

Link to April 8 lecture up on YouTube

Click here to get to the YouTube page

Link to Homework 7, due Monday April 13

Click on this link.

If you want to follow along with today's lecture, click here.

Link to April 6 lecture on YouTube

https://www.youtube.com/watch?v=l2RuhHv4AYI

UPDATE: Classes begin on Zoom on Monday, April 6 at 9:30

You can access Zoom on a laptop or on a cellphone. The number for the class at 9:30 is

635-591-163

The number for the 12:20 office hour is

584-656-357

Hope to see you all this Monday. 

Below is a link to my class notes for this week.

https://drive.google.com/file/d/16-F4fKvYJjHOP6HueN-9GPfDC_J0HTCT/view?usp=sharing

Face to Face classes are canceled until Wednesday, April 8

No instruction, not face to face or online, will take place for the rest of the month.

Stay Safe,
Prof. Hubbard

Face to face classes are canceled on Wednesday, March 11

Laney has canceled face-to-face classes from Wednesday, March 11 to Saturday, March 14.

If you are enrolled in Math 15 and you read this, please send me an email at mhubbard@peralta.edu and include your student ID number.
 

The biographies of six computer scientists

Short biographies of John Von Neumann, Alan Turing, Grace Hopper, Edsger Dijkstra and Donald Knuth

NASA's page about Katherine Johnson
 

Notes for Homework 5

Notes on Richter scale and the bel/decibel system

Notes on set theory and Venn Diagrams
 

Notes for Homework 4

Defining a triangle by three side lengths

Defining a triangle by three points in the plane
 

Notes for homework #3

Scientific notation

Approximating and simplifying square roots

Classifying triangles defined by three angles

Finding isosceles triangles
 

Notes for Homework #2

Notes for time conversion

Notes for converting between binary, decimal and hexadecimal

Notes on the logical operators AND (^), OR (v) and NOT (~)

Notes for Homework #1

Time addition and subtraction problems

Notes for fractions, decimals, and percents, prime factorization and finding all factors

Link to the biographies of five British logicians

Link to the biographies

Notes for Homework 11, due Mon., 11/18 (not accepted late)

Notes on statistics: mean, median and mode

Notes on the five number summary and the IQR method for finding high and low outliers