# Posts by AlbertFalls

Total # Posts: 12

**Math**

The domain is what x values you can successfully input.

*September 16, 2010*

**biology**

Mass includes both protons and neutrons.

*September 7, 2010*

**math**

-3-5/0-0. The numerator is not what is important. The denominator forces division by zero which is undefined. Some people say that this is no slope, but undefined makes more sense to me. It has a slope, but you just can not define it because it is a vertical line stretching ...

*July 30, 2010*

**geometry**

This is not geometry.

*July 23, 2010*

**Graphing**

It is a parabola U. See what happens with the y's when you use 0, +1, and -1 for the x's.

*July 23, 2010*

**Biology**

Eggs are much larger than sperm.

*July 19, 2010*

**Algebra**

Perpendicular slopes are negative reciprocals of each other (the product of one times the other is -1). In y=mx+b m is the slope and b is the y intercept. To find intercepts, just find (0,?) (?,0) Parallel lines have the same slope. Horizontal lines have a slope of zero, ...

*July 18, 2010*

**Algebra 2**

Subtract for 2x * sqrt of 3=2 Divide for x * sqrt of 3/2=1 What to do from here, I do not know. . .

*July 10, 2010*

**Algebra 2**

Is there a way to do this?!

*July 10, 2010*

**math**

Distribute that negative 1 through the parentheses and that gets you x+3=-2x-2 Then, add 2x to both sides 3x+3=-2 Finally, subtract 3 from each of the two sides. 3x=-5 Divide through by 3 and what is X?

*June 30, 2010*

**intermediate algebra**

3 (-2)^8 / 4 What is negative 2 times itself eight times? Should the sign be postive or negative with an even number for an exponent? Look at your rules for raising to a power, and then try again.

*June 30, 2010*

**IDK**

I have never used a money order before. From where can one obtain them? How do they work?

*June 20, 2010*

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