Friday

December 9, 2016
Total # Posts: 826

**math**

It's zero because negative numbers are the opposite of non-negative numbers. For example, you can rewrite ideas you are already familiar with using negative numbers: 1 - 1 = 1 + -1 = 0 -1 - 1 = -1 + -1 = -2 -1 - -1 = -1 + --1 = -1 + 1 = 0 Two negative signs on the same ...

*October 19, 2008*

**math**

26 letters in the alphabet 10 numbers (0-9) An easy way to think about it is like this: If you have one number there are ten possible numbers (0-9). If you have two numbers you know that there are 10 possible numbers for each position (00-99), which is 10*10 . Letters have 26 ...

*October 18, 2008*

**Math**

I'm not sure what grade/math level you are at. Reasoning: There are two sides that are 11cm. You have 22 cm already. 76-22 will get you 54. What number adds up to 54? 25 adds up to 50, 26 adds up to 52, 27 adds up to 54. Anything higher than 27 will make it greater than ...

*October 17, 2008*

**Math**

Substitution method: 6x+5y=17 x=53-8y Solve for a variable and substitute it in to one of the equations. The easiest way with these two equations is to take x from the second equation and substitute it in to the first equation. 6(53-8y)+5y = 17 618 - 48y + 5y = 17 -48y + 5y = ...

*October 17, 2008*

**sCIENCE**

ON WHAt part of the HR diagram would the majority of the main-sequence stars be found? Is that the far corners or middle? There's also top half or bottom half, but I think it's far corners or the middle.

*October 14, 2008*

**Science**

What is the temperature of the star Canopus on an h-r DIAGRAM?

*October 14, 2008*

**Science**

As they age, _________ stars move up and to the right on an H-R diagram? Is it the bright stars?

*October 14, 2008*

**Science**

Do I have these correct according to the H-R Diagram? Hot (blue stars) are on the left side of the modern H-R diagram bright stars are the top of modern H-R diagram cool (red) stars are the ride side side of modern H-R diagram dim stars are the bottom of modern H-R diagram

*October 14, 2008*

**Science**

Do I have the following stars in order from earliest in life cycle to oldest in life cycle? main-sequence red giant white dwarf

*October 14, 2008*

**Social Studies**

Canada, like all nations, has scarcity. The country that you have came from also has scarcity. Although the scarcity in your country is obvious and easy to see and in Canada it is not as visible, both countries share the common agony of scarcity. At the moment Canada is ...

*September 30, 2008*

**Math**

worlds population was 3,559,028,982 people. When this number is written in expanded form using exponents, one power of 10 would not be represented. Which Power of 10 and Why?

*September 17, 2008*

**science**

How to read a metric ruler. Question is what lengths are indicated on this ruler. It has 5 for centimeters and 5 for mm. But some of the mm are in between the centimeters. How would I figure out what the answer is? Thanks

*September 14, 2008*

**science**

How do you read a triple beam balance?

*September 10, 2008*

**georgraphy**

which country in asia bordersthe arctic ocean

*September 8, 2008*

**georgraphy**

which country in africa is larger algeria or egypt

*September 8, 2008*

**georgraphy**

which country is north america is farther north

*September 8, 2008*

**georgraphy**

which continent borders antarctica

*September 8, 2008*

**georgraphy**

which ocean would you cross to get from africa to south america

*September 8, 2008*

**3rd grade**

what continent is south of europe

*September 8, 2008*

**biology**

what are the functions of the nuclear membrane and the nucleolus?

*September 7, 2008*

**Biology**

nucleus=both nucleolus=both ribosome=both ER=both golgi apparatus=both vacuoles=both lysosmes=both chloroplasts=plant mitochondria=both

*September 6, 2008*

**Science**

Have I matched the right Scientists with these famous sayings: Scientists: Ptolemy, Kepler, Copernicus, Newton, Galileo, Brahe & Hubble. 1)"I've finally worked out an explanation as to why planets orbit the sun and moons orbit planets. It is gravity that keeps an ...

*September 4, 2008*

**Science**

How are centimeter & millimeter alike?

*August 28, 2008*

**Science**

How are meter & Liter alike?

*August 28, 2008*

**science**

"independent" & "dependent" are types of these

*August 26, 2008*

**Math**

Thank you. Found the answer. Shoulda googled it first. hehe

*August 26, 2008*

**Math**

a) 7/64 b) 168 c) 64/7 d) 3/56 e) 24/7 f) None of the above.

*August 26, 2008*

**Math**

U is jointly proportional to V and W . Let k be the constant proportionality. If U = 3 when V = 8 and W = 7, find k

*August 26, 2008*

**Calculus**

Is this calculus or simple reasoning? If the latter: (3x+1)^1/2=8 square both sides =3x+1=64 =3x=63 x=63/3 x=21

*August 23, 2008*

**Reading Com.**

What light is to greece, space is to Canada. Awareness in almost every direction lie uninhabited land that has shaped the perceptions of artists, defined national character, determined an architecture and established Canadian way of seeing. Canadian Artists are: a) preoccupied...

*August 23, 2008*

**English-reading**

But "there" can also be referred to Meadowland, and not "meadows". In "in Meadowland, a major sport center is located there" Ahh well, I give up and take B as the answer.. Thank you all.

*August 23, 2008*

**English-reading**

No. cant be. It's multiple choice. Choice A + D doesn't contribute to the passage. Choice A is wrong because one can assume the land is small, if compared with others . Choice D is false because it didn't say the previous price. am I on the ball-part?

*August 23, 2008*

**English-reading**

But it says the sports complex is located in Meadowland, supposely a city. Whereas the meadows (foul smell) mostly like to contribute a swampland. Or Im just too confused?

*August 23, 2008*

**English-reading**

oh yea; my choice: c. cause it currently just a marshland. Is this correct?

*August 23, 2008*

**English-reading**

Here's one: In NJ, "meadows" were more than mockery by residents because of the foul smell and insect-infested habitt. Today, in Meadowland, a major sport center is located there. Directly across is 18000 acres of land that overlap several communities. This ...

*August 23, 2008*

**English**

Can you please show me a sample of a diagrammed sentence with phrases?

*July 20, 2008*

**Math**

15sqrt8x^16 / 5sqrt2x^4

*June 26, 2008*

**History**

Passive resistance included boycotting British goods and refusing to pay taxes?

*June 21, 2008*

**Science**

is it eggs, than larvae, than tadpole, than tadpole with legs, then froglet and what is the one in between adult frog

*May 29, 2008*

**Science**

What are the seven stages of a frogs life cycle? it starts with eggs, then tadpole, then tadpole with legs, the froglet and I can't find the 2 in between adult frog.

*May 29, 2008*

**Literature-Poetry**

Student, Ashley's answers were probably correct, but Penn Foster will switch around the answers sometimes. Meaning, if you put in Ashley's same letters like "A" "B" "C" the correct answers when you take the test might be "B" &...

*May 28, 2008*

**finding directrix. Am I right?**

oh! Ok thank you. I already do have it graphed as that is required. Thank you for all the help.

*May 19, 2008*

**finding directrix. Am I right?**

the equation of the parabola is (y-5)^2=5(x+8). Now I asked this earlier but that thread is farther down so no one sees it. He said the directrix is -9.25 but I think it is -1.25. Am I right?

*May 19, 2008*

**chemistry-stoichiometry**

All you need to do is convert to moles AuCL3 and then use the mole ratio and convert back to grams Cl2 64.0*(1 mol/233g)*(3 mol Cl2/2mol AuCl3)*70.906gCl2= 29.214

*May 19, 2008*

**Algebra 2**

Sorry but I am trying to understand your reasoning for the directrix. How did you get -9.25. I would think it would be -1.25.

*May 19, 2008*

**Algebra 2**

When you say vertex, you mean the center so what about vertices and co-vertices. And there is only 1 foci?

*May 19, 2008*

**Algebra 2**

Another thing, would a=1.25? Because 4*1.25 equals 5

*May 19, 2008*

**Algebra 2**

Actually, I belive you made a mistake there. Multiplying both sides by five would get my -10y and therefor, I would add 25 to both sides right?

*May 19, 2008*

**Algebra 2**

Wow thanks for that. Could you help me with all the other things I listed above. This stuff is confusing to me.

*May 19, 2008*

**Algebra 2**

I have a question and I can not figure it out. Any answers to the following along with any explanation would be great! Here is the equation: x=.2y^2-2y-3 Now I know that is an equation for a parabola. Now, I need the following: Equation in standard form Vertices Co-vertices ...

*May 19, 2008*

**math**

Sam is going to tile a rectangular room that has an area of 64 square feet. He will be using square tiles that measure 1/4 square feet. If the dimensions of the sun room are to be whole numbers in feet, list all of the possible sets of dimensions (length & width) FOR THE SUN ...

*May 15, 2008*

**Math**

In order to swim one mile in a rectangular pool, I must swim the length of the pool 80 times or swim all the way around the perimeter of the pool 22 times. How wide is the pool? (1 mile = 5,280feet) so would I take 5280 divided by 80 for a total of 66 then subtract 22 from the...

*May 15, 2008*

**Math**

what is 4 5/6 + 3 1/4? would it be 29/6 + 13/4 then 116/24 + 78/24 then 194/24 for a total of 8 1/12?

*May 14, 2008*

**Math**

Mr. Smith has a scale drawing of his rectangular swimming pool. The lenght is 15" and the height is 11". The scale is 1 inch = 2 feet. What is the perimeter of the actual pool? Do I add 15 + 15 + 11 + 11 to get the perimeter?

*May 14, 2008*

**Social Studies**

What is the larger group of Muslims? Shiites or the Sunnis Is the Shiites the largest group?

*April 20, 2008*

**Social Studies**

That's part of the problem, I don't have my text home and I'm trying to do from memory.

*April 20, 2008*

**Social Studies**

so is it the were made to follow the nomadic way of life?

*April 20, 2008*

**Social Studies**

Islam treated jews and christians with tolerance, but made them what? 1)Pay special taxes 2)worship Abraham & Moses 3)follow the nomadic way of life 4)work together. I believe it is #4 or possibly 2?

*April 20, 2008*

**Social Studies**

Islam spread quickly due to : Good roads Musilims who were expert traders and traveled widely. People making pilgrimages to Mecca. Is the answer people making pilgrimages to Mecca?

*April 20, 2008*

**Social Studies**

After the death of Uthman, the Islamic world split into two groups: The Shiites and the what? I believe it is the Sunnis. Right?

*April 20, 2008*

**Math**

How big is each interior angle in a regular decagon? would this be 4.4 (144/10)? How big is each exterior angle of a regular decagon? Is this 36? (360/10)

*April 16, 2008*

**Math**

What is the total measure of all of the interior angles of a decagon? Is it 360

*April 16, 2008*

**Math**

if parts are marked up 20% before they are sold and the selling price for a seat cover is $54 what was the original sale price. Do I take $54 * 20% then subtract from $54 or??

*April 9, 2008*

**Math**

What would the median be of the following numbers? 10,12,13,15,17,19,24,25,26,55 Would it be 18?

*April 9, 2008*

**Math**

How do I solve this? There are 171 seventh graders eating lunch. This number represents 45% of all of the seventh grades. How many 7th graders are there in the school? Would I take 171 x 45% and add them together or take 171 X .55 or??

*April 9, 2008*

**Math**

I'm not sure, but I think the following equivalent equation would be answered N/A because an equation like this can't be zero? 2g+5>5 or can it be zero?

*April 9, 2008*

**Math**

I had this equivalent equation question from earlier and I'm not sure if I got the right answer. 1/4x > 1 (the > is underlined so it's greater than or equal to) is it x > 4 or x > 1/4 or ??

*April 9, 2008*

**Math**

Would I just divide each side by 12 so b<1 would be my answer?

*April 9, 2008*

**Math**

How do I solve this equivalent equation? 12b<12

*April 9, 2008*

**Math**

Another equivalent equation. -8w + 18 > -22 So, I subtract 18 from each side. make -8w + 18-18 > -22-18 -8W >-40 than w > 5? I don't leave either of the negatives right because negative divided by a negative is positive right?

*April 9, 2008*

**Math**

Solve this equivalent equation 2x-5>1 Do I add 5 to each side so 2x > 6 than x > 3 is the answer?

*April 9, 2008*

**Math**

How do I solve this equivalent equation? 5x +2 < 17 (again the <is underlined) Do I subtract 2 from each side so it would read 5x < 15 (again the < is underlined) than divide each side by 5 so the x < 3 (again the <is underlined) is the answer? Also, how do I...

*April 9, 2008*

**mATH**

so x > is .25?

*April 9, 2008*

**mATH**

HOW do I solve this equivalent equation? 1/4x > 1 (and the > is underlined so I think that means greater than or less than maybe??)

*April 9, 2008*

**Math**

Do I include the negative numbers?

*April 9, 2008*

**Math**

Is there a spot online that would show how to show this on a line graph that shows -5 - 4 - 3 -2 -1 0 1 2 3 4 ?

*April 9, 2008*

**Math**

The sheet is titled Solving Inequalities. I need to solve this question by equivalent equations and show my steps. So, how do I solve 6x<12? Would I divide both sides by 6 meaning x would = 2? or??

*April 9, 2008*

**french**

I need help speaking french

*April 7, 2008*

**Science**

An atom has no overall charge if it contains equal numbers of____?

*March 20, 2008*

**Science**

hi i got given homework to find out an athletes diet and im trying to find out a runners diet but i need help with it so please can you help me

*March 16, 2008*

**Math**

A circular garden has a pole in the middle. If the area of the garden is 380ft^ (^=squared) about how far is it from the pole to a point on the circle? Do I take 190 x 3.14 for my answer?

*March 12, 2008*

**pre-calculus**

find the cube roots of -216 answer in polar form

*March 7, 2008*

**calculus**

find the conjugate on z times w if z=[3,120] and w=[-1,-15]

*March 6, 2008*

**Chemistry**

In an experiment 10.124 g of magnesium is reacted with 4.273 g of oxygen gas according to the equation: Mg + O2 ==> MgO. A. What is the limiting reactant? B. What mass of the other reactant is in exess? C. What mass of MgO is produced?

*February 29, 2008*

**Chemistry**

kind of yeah

*February 29, 2008*

**Chemistry**

i have no idea how to do it at all ive been absent for 3 weeks

*February 29, 2008*

**statistics**

The value of the z-score that is obtained for a hypothesis test is influenced by several factors. Some factors influence the size of the numerator of the z-score and other factors influence the size of the standard error in the denominator. For each of the following indicate ...

*February 29, 2008*

**math**

you are putting in a 20ftx30ft rectangular pool. your pool must be surrounded by a concrete sidewalk of uniform width and 3in thick. write an expression in terms of x to represent the volume of concrete contained in the sidewalk. explain how you got your expression.

*February 28, 2008*

**spanish**

el viaje era una experiencia muy grande

*February 28, 2008*

**Math**

The page numbers in a book use 810 Digits. If the book starts with page #1 how many pages are in the book. I think it's a trick question, because digits is underlined. Is the answer 810? What does it mean by uses 810 Digits?

*February 26, 2008*

**Math**

How to solve the two formulas for x+y=21 3x+4y=21

*February 26, 2008*

**Math**

A painter needs 3 days to paint the walls of a room. How long would it take him, working at the same rate, to paint a room that is twice as long, twice as wide, and twice as high as the original room?

*February 26, 2008*

**Math**

5*4*3=60 than 60*2=120 is that right

*February 26, 2008*

**Math**

so if take for instance I had 5', 4' & 3' as my sides i would take 5x4x3 * 2 for a 120?

*February 26, 2008*

**Math**

How do I find the surface area of a box

*February 26, 2008*

**Math**

It's 1:00PM Monday. What will be the exact time and day 1 million seconds later?

*February 26, 2008*

**math**

how much is 5 2/3 * -22 4/5?

*February 26, 2008*

**Math**

so the answer is 9 7/40

*February 26, 2008*

**Math**

How much is -3 1/5 + 12 3/8?

*February 26, 2008*

**Math**

Does the top view of a cone resemble more, a circle with a dot in the middle, a circle without a dot, a square with 2 full diagonal lines or a plane square?

*February 26, 2008*