Sunday

January 25, 2015

January 25, 2015

Total # Posts: 528

**algebra**

So here's the problem: 6a^-2 + 9a^2 all over 3a^-2 The answer is suppose to be 2 + 3a^4 I keep getting the answer as 5. Can you show me how to solve this problem correctly?
*February 7, 2009*

**8th grade Social Studies**

How did the Cotton Gin effect slavery?
*February 2, 2009*

**algebra**

How do you chance an equation from standard form to slope-intercept form?
*December 10, 2008*

**Math**

find the values of a and b given that matrix A= [a -4 -6] [-8 5 7] [-5 3 4] is the inverse of matrix B = [1 2 -2] [3 b 1] [-1 1 -3] It would really help if you showed how you did it. Thanks a lot!
*November 18, 2008*

**social studies**

How do each of the eight strands of social studies tie into the times and life of Christopher Columbus?
*October 27, 2008*

**algebra**

an orange has 20 fewer calories than a banana. If 7 bananas have the same number of calories as 9 oranges, how many calories are in a banana?
*September 29, 2008*

**algebra**

The sum of two numbers is 24. Seven times the smaller number is the same as 5 times the larger number. Find the smaller number
*September 29, 2008*

**science**

well i was thinking that if the ecotone were to be polluted it would be able to sustain this pollution for a period of time due to the biodiversity. But, i was thiniking that eventually this pollution would spread to the surrounding ecozones and would affect them greatly due ...
*September 23, 2008*

**science**

speculate about how pollution of the ecotone might affect the surrounding ecozones.
*September 23, 2008*

**science**

What is the human niche?
*September 18, 2008*

**Gender Inequalities**

Are there any inequalities between men and women in the armed forces?
*May 27, 2008*

**education inequalities**

What are some inequalities in education between men and women?
*May 23, 2008*

**Women's Issues**

I am writing a report for my current events class about women's issues. I am not allowed to use Wikipedia for my resources. Can someone direct me to some helpful websites or give some examples of women's issues besides inequality in the workforce between men and women?
*May 19, 2008*

**chemistry**

IRVINE 2012!!!
*April 7, 2008*

**algebra**

Damon, the problem in the book is 5/8*t + 2/15*t = 17/20
*February 21, 2008*

**algebra**

the problem in the book is 5/8*t + 2/15*t = 17/20
*February 21, 2008*

**algebra**

can someone help me with the steps to problem below, the fractions are throwing me off 5/8t+2/15t=17/20
*February 21, 2008*

**Math (Grade 12 Data Management)**

What is the difference between a histogram and bar graph
*November 28, 2007*

**Geometry Proofs HELP!!**

how do i do this? given: m//n g//h Prove: angle 4 congruent to angle 16
*November 21, 2007*

**Grammar**

twenty-five
*November 21, 2007*

**geometry**

you have to start by writing the given
*November 21, 2007*

**english**

why you dont you read it?
*November 21, 2007*

**algebra**

you make it a equation with (f)x its really not hard
*November 21, 2007*

**Social Studies**

Who were the mummy-shaped figures that worked in the after life's fields for a mummy?
*October 22, 2007*

**algebra**

-1(m-4)2m=8
*October 7, 2007*

**math**

i am having trouble on solving fractional equations such as: 2 3 7 ______ + _____ = ______________ x+3 x+4 x^2 +7x+12 factor the right side denominator, then look for what factors make up a common denominator. For each fraction, multiply the numerator and denominator with the ...
*March 17, 2007*

**Modern World History**

hi
*October 28, 2006*

**Science**

Why is it important to examine the unnumbered marks on a graduated cylinder before making a reading between the unnumbered lines? I'm not sure of the question but I'll take a stab at it. It must be to avoid parallax; i.e, you want the eye level with the meniscus. I ...
*September 15, 2006*

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