Idaho Society of Professional Engineers

           PO Box 170239, Boise, ID 83717-0239  208-426-0636  Fax: 208-426-0639  E-Mail: ispe@idahospe.org

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Idaho Society of Professional Engineers
Friday Update – 02/02/07

UPCOMING EVENTS:

• February 3, 2007 - Northern Chapter MATHCOUNTS Competition - Lewiston

• February 5, 2007 – Deadline for submissions of 2007 ISPE Award Nominations

• February 6, 2007 – Block Fest Building Challenge – Banner Bank Building – Boise – 4:00 – 5:30 PM

• February 6 – 10, 2007 – Idaho Society of Professional Land Surveyors Conference - Coeur d' Alene Casino - Worley, Idaho

• February 10, 2007 - Southeast Chapter MATHCOUNTS Competition – Pocatello

• February 13, 2007 - Magic Valley Chapter MATHCOUNTS Competition – Twin Falls

• February 13, 2007 - Northern Chapter MATHCOUNTS Competition – Coeur d’Alene

• February 22, 2007 – ISPE Southeast Chapter Engineers Week Banquet – Shilo Inn, Idaho Falls – 6:00 PM

• February 23, 2007 – ISPE Southwest Chapter Engineers Week Luncheon - Doubletree Riverside, Boise - 11:30 AM - 1:00 PM

• February 24, 2007 - Southwest Chapter MATHCOUNTS Competition - Boise

• March 10, 2007 – State MATHCOUNTS Competition – Boise State University, Boise

• March 22 & 23, 2007 – ISPE 2007 Annual Meeting – Oxford Suites, Boise

• May 11, 2007 – National MATHCOUNTS Competition – Convention Center, Fort Worth, Texas

• May 11, 2007 – ISPE Southwest Chapter Spring Fundraiser Golf Tournament

DON’T MISS THE GREAT CHAPTER ACTIVITIES PLANNED TO CELEBRATE NATIONAL ENGINEERS WEEK!!

ISPE Southeast Chapter Banquet – February 22, 2007 – Shilo Inn, Idaho Falls – 6:00 PM
RSVP by noon on Tuesday, February 20, 2007

ISPE Southwest Chapter Luncheon – Doubletree Riverside, Boise – 11:30 AM – 1:00 PM
Reservations must be received by February 14, 2007

Follow the links for more details on each event!

REGIONAL INVENT IDAHO JUDGES NEEDED……
The Regional Invent Idaho convention is quickly approaching. They are looking for judges and hoping you are willing to take part. This year the convention is February 23 and 24. The judging will take place Friday evening from 6:00 - 10:00 at Boise State University, Micron Engineering Center. Click here for additional details or contact Woody Sobey at 343-9895 ext. 345 or email w.sobey@scidaho.org.


MATHCOUNTS PROBLEM OF THE WEEK
Can you solve this MATHCOUNTS problem? The answer will appear in next week's edition of the Friday Update!

Superbowl
The date for the 41^st National Football League Superbowl is February 4, 2007.  Superbowl I was held on January 15, 1967.  The Green Bay Packers defeated the Kansas City Chiefs.  The sum of the number of points each team scored was 45 and the difference of the number of points each team scored was 25.  How many points did each team score?

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The scores for Superbowls XXXVI through XL are shown in the table below. 

What is the positive difference between the mean of the winning scores and the mean of the losing scores?  Express your answer as a decimal to the nearest tenth.

What is the positive difference between the median of the winning scores and the median of the losing scores?

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The cost of a 30-second commercial for Superbowl I in 1967 was $42,000.  The cost for a 30-second commercial for Superbowl XLI in 2007 is $2,600,000.  How many complete 30-second commercials could have been purchased for Superbowl I with the same amount of money needed to purchase one 30-second commercial for Superbowl XLI?

Answer to last week’s MATHCOUNTS problem:
The least possible sum is from January 1, 2007, (1/1/07) 1 + 1 + 7 = 9.  The greatest possible sum is from January 31, 2007, (1/31/07) 1 + 31 + 7 = 39.  Check the number of factors for each integer from 9 through 39.  The positive integer in that range with the greatest number of factors is 36.  The date is January 28, 2007, (1/28/07).

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The volume of the ice and branch minus the volume of the branch equals the volume of the ice.  ((3cm)² × π × 100cm) – ((0.5cm)² × π × 100cm) = 875 × π = 2748.89cm³.    (2748.89cm³) × (1gm/cm³)  × (1kg/1000gm) = 2.7 kg.

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The visible part of the iceberg is a hemisphere and has 10% of the volume of the iceberg.  Let V represent the volume of the iceberg.  (((4 × π × (2.5m)³) ÷ 3 )  ÷ 2) = 0.1 × V.  V = 327.25 m³.  The total volume of the iceberg is 327 m³. 

If you want to see last week's problem again, click http://www.mathcounts.org/webarticles/anmviewer.asp?a=964&z=110



Idaho Society of Professional Engineers
PO Box 170239
Boise, ID 83717-0239
208-426-0636
Fax: 208-426-0639
E-Mail: ispe@idahospe.org
Web Site: www.Idahospe.org

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