Archive for October, 2007

Over 80 Math Leaders Urge Support of Algebra

Wednesday, October 31st, 2007

unknown: As I was reading Deal’s article, “Over Eighty American Catholic Leaders Urge Support of Humanae Vitae”, I couldn’t help wondering why the support is even needed at all? Of course, we all know the answer; but, it just seems so … Share and Enjoy: These icons link to social bookmarking sites ...

The Mentality Of Physical Activity

Wednesday, October 31st, 2007

unknown: In addition, the kids in both exercise groups showed some improvement in math skills but no groups showed improvement in reading skills. These results are all consistent with other studies done in adults. Previous studies have shown … Share and Enjoy: These icons link to social bookmarking sites where readers can ...

UNsolved problem 107252 added to Probability-and-statistics

Wednesday, October 31st, 2007

webmaster@algebra.com: Click on the link to solve this problem: In each of the following settings, give a 95% confidence interval for the coefficients of x1 and x2. (a) n = 22, y hat = 11.1 + 105×1 + 15.1×2, SEb1 = 7.4 and SEb2 = 4.9. … Share and Enjoy: These icons ...

UNsolved problem 107200 added to Exponents

Wednesday, October 31st, 2007

webmaster@algebra.com: Click on the link to solve this problem: on question number 11 and 14 it looks like this 35+6a2 and 25a2-127. Share and Enjoy: These icons link to social bookmarking sites where readers can share and discover new web pages. Read more

UNsolved problem 107250 added to Radicals

Wednesday, October 31st, 2007

webmaster@algebra.com: Click on the link to solve this problem: 3 radical of 5x-4 + 13 = 10. Share and Enjoy: These icons link to social bookmarking sites where readers can share and discover new web pages. Read more

UNsolved problem 107275 added to Quadratic_Equations

Wednesday, October 31st, 2007

webmaster@algebra.com: Click on the link to solve this problem: what is the null factor law? Share and Enjoy: These icons link to social bookmarking sites where readers can share and discover new web pages. Read more

UNsolved problem 107274 added to Graphs

Wednesday, October 31st, 2007

webmaster@algebra.com: Click on the link to solve this problem: solve each system of linear inequalities graphically. 3x-y1 yRead more

UNsolved problem 107245 added to Parallelograms

Wednesday, October 31st, 2007

webmaster@algebra.com: Click on the link to solve this problem: I am given that JO=x+5, KM=y-3, JK=2x-4, JO // KM, and JK // OM. OJK bisects MKJ. What is the value of x, y, and the perimeter. HELP! Share and Enjoy: These icons link to social bookmarking sites where readers can share ...

UNsolved problem 107199 added to Miscellaneous_Word_Problems

Wednesday, October 31st, 2007

webmaster@algebra.com: Click on the link to solve this problem: It is greater than 30 and less than 40. If you add the digits, the sum is 10. Write the number word. it is greater than 7 tens and less thann 8 tens. The number has 4 ones. Write the ...

UNsolved problem 107197 added to Graphs

Wednesday, October 31st, 2007

unknown: Click on the link to solve this problem: Share and Enjoy: These icons link to social bookmarking sites where readers can share and discover new web pages. Read more