# Posts by Unknown

Total # Posts: 1,271

**World History ASAP**

thank youuuu

**World History ASAP**

What people created the first mesopotamian civilization? ANSWER: Sumerians What did they contribute to early civilization? I don't get this answer ://

**algebra**

1. Are the rotations of figures always congruent? Why are or why not? 2. A car tire rotates when you drive. How is this type of rotation different from a rotation in Geometry? What other type of transformation is happening to the car tire? Explain.

**HELP! Geometry**

Part I 1. Why is the word coplanar included in the definition for parallel lines? 2. Explain why you think the angle pairs formed by two lines and a transversal are related. Why might it be helpful to identify them as angles that go together instead of independent angles

**ms.sue check**

hi ms.sue please check my world history answer :) from a couple of minutes ago

**World History**

1,4,7,8 false and 3,5,6,9 true i'm not sure about 2 but i'm positive about the other ones

**World History**

True or false. if false, what is the true statement? 1. To ancient egyptians, the most important feature of the river was the many fish that lived in it. 2. Ancient Egyptian civilization was marked by constant change and upheaval over the centuries. 3. Osiris took on an ...

**HELP! Geometry**

How would you solve this? Graph each fi gure in the c oordinate plane. Find each perimeter. 14. X (0, 2), Y (4, 2 1), Z ( 2 2, 2 1)

**Geometry; Check answers?**

Given the points A (1, 2), B (-4, 4), C (-3, -3) and D (2, -5), determine ifLINE:AB and LINE:CD are parallel, perpendicular or neither. A. parallel B. both perpendicular and parallel C. perpendicular D. neither MyANSWER: A

**HELP! Geometry**

Determine the slope of a line perpendicular to the line shown. (3,5) and (7,-8) A. -4/13 B. 13/4 C. -13/4 D. 4/13

**Geometry**

Given the points A (-3, -2), B (1, 4), C (3, -4) and D (0, -2), determine [line ab] if and [line cd] are parallel, perpendicular or neither. A. parallel B. perpendicular C. both parallel and perpendicular D. neither

**Geometry**

Find the slope of a line parallel to the line passing through points at (1, -2) and (3, 2). A. 1/2 B. undefined C. 0 D. 2

**Geometry**

1. Why do you think that the slope of a vertical line is called "undefined?" 2. Can you find the equation of a line if you are given the slope and the x-intercept? If so, explain how. If not, explain why you can't.

**English HELP**

I forgot the book of mice and men at school and I need to do homework with it. Does anyone know where I could read the book online? Thanks, if anyone could help!

**CHEMISTRY!! D:**

1. A sample of gas under a pressure of 622 kPa has a volume of 233 cm3. The pressure is increased to 988 kPa, while the temperature remains constant. What volume will the gas occupy at this pressure? 2. The pressure exerted by a gas is 2.0 atm while it has a volume of 350 cm3...

**CHEMISTRY HELP! D;**

1._____Mg + _____N2 ---> _____Mg3N2 2. _____KNO3(s) ---> _____KNO2(s) + _____O2(g)

**com200**

I wanted to just double check if my answers were right

**CHEMISTRY HELP! D;**

1.Br2(g) + ___H2O(l) + ___SO2(g) ---> ___HBr(aq) + ___H2SO4(aq)

**CHEMISTRY HELP! D;**

Balancing Chemical Equations; How would you solve this? 1.Br2(g) + ___H2O(l) + ___SO2(g) ---> ___HBr(aq) + ___H2SO4(aq)

**World History**

List the defining characteristics of the Paleolithic Age

**Chemistry Check?**

Balance Chemical Equations; 1. C2H6(g)+O2(g)---->H2O(g)+CO2(g) Answer: 2C2H12(g)+2O7---->H12O6+2C2+O8

**Social studies**

And why was Spain not able to get other parts of North America?

**Social studies**

then why did spain colonize if it just wanted riches? Was it so others could not claim the riches?

**Social studies**

were spain and englands motives for colonization getting gold and building empires??

**Social studies**

brazil was portugal's right?

**Social studies**

*Spain

**Social studies**

is this correct? It was hard for Apain to colonize even though they were the the first Europeans in the new world because they did not have colonization in mind when they first arrived. When they first arrived, they were focused on gold and treasures to fund their country and ...

**Social studies**

were some reasons that spain was able to colonize disease, horses, and weapons??

**Social studies**

is it also because their main purpose was to get all the treasures instead of land so they could fund wars in europe?

**Social studies**

why were they not able to get some parts... is it because of the competition with the other countries?

**Social studies**

Why did Spain not colonize in some significant areas of north america??

**Social studies**

I need a thesis statement for my essay... the topic is the significance of the crusades, the reanaissance, the rise of absolute monarchs, and the commercial revolution and how they led to the discovery of america. Should I post my topic sentences??

**Chemistry Check?**

1. _____C2H6(g) + _____O2(g) ---> _____H2O(g) + _____CO2(g) Is my answer right? = 2C2H12(g)+2O7---> H12O6+2C2O8

**Pre-algebra**

how would I solve this kind of problem 7/9-4/9=y/3?

**Pre-algebra**

Check? 1. 15-2 35/99 =12 64/99

**Science**

1. Question : A decrease in “food miles” will most likely increase the environmental impact of any given food. Student Answer: True CORRECT False Instructor Explanation: The answer can be found in Section 3.5 of your text. Points Received: 1 of 1 Comments: 2. ...

**Chemistry;HELP**

Volume Problems Answer the following questions. Scan and upload your questions and answers to your student section labeled Volume Volume Problems. Identify the following chemical equations by type. 1. If an electric discharge produces 500 cm3 of ozone (O3), how many cm3 of ...

**Chemistry;HELP**

1. A sample of gas under a pressure of 622 kPa has a volume of 233 cm3. The pressure is increased to 988 kPa, while the temperature remains constant. What volume will the gas occupy at this pressure? 2. The pressure exerted by a gas is 2.0 atm while it has a volume of 350 cm3...

**Social studies**

were Europeans looking for trade routes during the renaissance???

**Social studies**

thank you

**Social studies**

how did the commercial revolution contribute to the discovery of America????

**Chemistry Check?**

1. A sample of neon is collected at 1273.51 kPa and 12.0 oC. It has a volume of 2.25 L. What would be the volume of this gas at STP? (2.25 L) x (1273.51 kPa / 101.3 kPa) x (0 + 273.15 K) / (12.0 + 273.15 K) = 27.1 L 2.A sample of argon has a volume of 1205 cm3 when its ...

**Chemistry;HELP**

Correct the following samples of gases to standard temperature. (Assume pressure is constant)(STP stands for standard temp and pressure which is 273K and 101.3 kPa, you do not have to think about the pressure for these four but on the last three you will have to so T2 is 273K...

**Chemistry;HELP**

1. What volume will a sample of hydrogen occupy at 128.0 oC if the gas occupies a volume of 2.23 dm3 at a temperature of 0.0 oC? Assume that the pressure remains constant. (remember to change to Kelvin). 2. If a gas occupies 1733 cm3 at 10.0 oC, at what temperature will it ...

**Chemistry;HELP**

Help me set them up and then check my answers? Round your answer to the correct number of significant digits and show work. 1. How many grams of NaI would be used to produce a 2.0 M solution with a volume of 10.00 L? 2. What is the molarity of a 2.50 x 102 cm3 solution ...

**Geometry; Check answers?**

I did correct #1. It's (-1.5,0) but, I still don't know the length. Can you help? #2. How do I put it in correct form?

**Geometry; Check answers?**

Wait. How do I correct 1 and 2?

**Geometry; Check answers?**

For each graph, find (a)AB to the nearest tenth and (b)the coordinates of the midpoint of AB. 1. Coordinates are A(-9, -6) B(6,6) D=19.2 Midpoint=(1.5,-6) 2.A(-2,-2) B(8,-6) D=10.77 midpoint= (3,-4) 3. A(0,3) B(-2,-2) D=5.4 Midpoint= (-1,0.5)

**Geometry**

Which of the following best describes the front and back cover of a textbook when closed?

**Chemistry;HELP**

How did he get 15 moles? What is the molarity of a 5.00 x 102 ml solution containing 2490 g of KI? 5.00*10^2ml = 500ml = .5L KI has molar mass 166, so you have 15 moles of KI 15moles/.5L = 30moles/L = 30M

**Geometry, Help**

is one's midpoint answer (-1.5,-6)?

**Geometry, Help**

SORRY! I was squaring it. Thanks for your help.

**Geometry, Help**

I got 369 and divided by 2. How's you get that answer?

**Geometry, Help**

Is #1 184.2?

**Geometry, Help**

would you divide 2 by 29?

**Geometry, Help**

Help? I'm stuck. For each graph, find (a)AB to the nearest tenth and (b)the coordinates of the midpoint of AB. 1. Coordinates are A(-9, -6) B(6,6) 2.A(-2,-2) B(8,-6) 3. A(0,3) B(-2,-2)

**Geometry, Help**

1. Reasoning How does the Distance Formula ensure that the distance between two different points is positive? 2. There are two different formulas for midpoint. Is it possible to use the formula for midpoint "on a number line" when you are trying to find the midpoint...

**English**

Blah,Blah,Blah. Thanks for your help ........... .

**English**

Leprechauns and fairies from "A midsummers night dream" are very similar to each other. Leprechauns and fairies are both part of the same kingdom. Their part of a fairy kingdom. It is rare that a female leprechaun is born but, If it does happen she becomes a fairy. ...

**English**

Leprechauns and fairies from "A midsummers night dream" are very similar to each other. Leprechauns and fairies are both part of the same kingdom. Their part of a fairy kingdom. For example If a child is born and their child is a girl she becomes a fairy. It's ...

**English**

You will need to research a type of mythical creature, such as mermaids, gnomes, leprechauns, goblins, or genies. You will then write an essay comparing the creature that you researched and the fairies in A Midsummer Night's Dream. Leprechauns are very much similar to the...

**English**

What are some differences in the fairy's in "A Midsummer's Night Dream" from lepruchuans?

**Chemistry**

How'd you get 15 moles?

**Chemistry**

I'm dumb. I'm sorry I still don't understand.

**Of Mice and Men ASAP**

Hi My summer reading list is due on monday and i'm running out of time to finish this book (it has 6 chapters) I don't have the book with me anymore sadly because it wasn't my book. I wanna know if you can tell me the conflict in each chapter please please please ...

**Reading ASAP**

I was gonna do a summary for each chapter but it's not asking me that it's asking for a plot

**Reading ASAP**

I'm doing my summer reading list and I need help these are the instructions "Have notes for each chapter (or story or part of the novel—depending on how the novel is arranged) with the following points: main characters, conflict, and plot. This will help you with...

**Geometry, Help**

Compare and Contrast Describe the difference between saying that two segments are congruent and saying that two segments have equal length. When would you use each phrase?

**Geometry**

1.Explain why we use the formula AB = |a - b| to find the distance of a segment. Include why you need to subtract and why you need to take the absolute value. The formula for finding vector AB is AB = b - a where a and b are the position vectors OA and OB respectively then the...

**English; Help/Check.**

Thanks. Is their anyway you could give me more Ideas on adding more to this? It needs to be 3 paragraphs

**English; Help/Check.**

Okay.. I believe I fixed it now. Leprechauns and Fairy's; Leprechauns are fairy-like mischievous creatures in Irish folklore. They are in a form of a old man. Leprechauns have been reported to be no bigger then a small child or no bigger then a finger. If they are spotted ...

**English; Help/Check.**

Leprechauns and Fairy's; Leprechauns are fairy-like mischievous creatures in Irish folklore. They are in a form of a old man. Leprechauns have been reported to be no bigger then a small child or no bigger then a finger. If they are spotted by human they are granted three ...

**English; Help/Check.**

Leprechauns and Fairy's; Leprechauns are fairy-like mischievous creatures in Irish folklore. They are in a form of a old man. Leprechauns have been reported to be no bigger then a small child or no bigger then a finger. If they are spotted by human they are granted three ...

**English**

How are leprecuans different or similar to the fairies in A Midsummer Night's Dream?

**Government**

8.) TRUE

**Government**

1 B 2 A 3 A 4 A 5 A 6 A 7 B 8 B 9 B 10 A 11 A 12 A 13 A 14 A 15 B 16 B 17 B It yall turn

**Language Arts**

Do you know where I can find chapter by chapter view of a book? Is a plot the same as a summary of a short story?

**Physics**

i got .41 m/s

**Math**

Find the general expression of the kth nonzero term in the taylor series for f(x)=3/(1+x) (exclude any zero terms in the series when finding this general expression)

**Math**

Find the general expression of the kth nonzero term in the taylor series for f(x)=3/(1+x) (exclude any zero terms in the series when finding this general expression)

**maths**

S=1 + 2(1/5) + 3(1/5)^2 + 4(1/5)^3 +5(1/5)^4…...........infinite......... If s=a/b , where a and b are coprime positive integers, what is the value of a+b?

**maths**

S=1 + 2(1/5) + 3(1/5)^2 + 4(1/5)^3 +5(1/5)^4…...........infinite......... If s=a/b , where a and b are coprime positive integers, what is the value of a+b?

**chemistry**

Keq = product/ reactant Write the balanced equation for what you are given. 2HCl--->H2 + Cl2 I believe that's how you start off.

**Social Studies help needed**

Smart One :) was correct!

**math**

the actual answer is 9/37

**World history; Check:P**

How did Louis XVI’s weak leadership contribute to the growing crisis in France? Louis and both his wife didn't seem to care about governing. His wife always gave him poor advice and ended to spend a lot of money gowns, jewels, gambling, and gifts, which lead France ...

**calculus**

The function f is given by the formula f(x)=6x^3+17x^2+4x+21/x+3 when x<–3 and by the formula f(x)=2x^2–4x+a What value must be chosen for a in order to make this function continuous at -3?

**Math**

6%

**physics**

7

**physics**

Take velocity = 331m/s.then apply the formula.v'= v m/s+0.61m/s/C.u will get 331+0.61*20=343.then distance = v'.t÷2=343*2.50÷2=428.75 is the answer.

**Math**

Plot the points on a graph (X,Y). Start at (0,0) and move accordingly. For example, Doug is at (2,1) meaning 2 units to the right and 1 unit up.

**Quantum Physics**

8a- pi/3,o

**chemistry**

Molarity = Moles of solute (salt)/Liters of solution (salt water) Once you have moles, convert to grams using the molar mass of the salt. Next time, post a question with numbers! :P

**Science**

A( I just did it right now )

**Chemistry**

Complete and balance the molecular equation, including phases, for the reaction of aqueous copper(II) chloride, CuCl2, and aqueous potassium phosphate, K3PO4. Balance the net ionic equation, including phases, for this reaction.

**science help ASAP please**

omg wow u people are dumb posting answers on the internet !!!!! that is cheating

**Chemistry**

A B B A B D D B

**7th Grade Social Studies**

thanks smile more your the best

**Math**

The second one is A

**Math**

Mr. Green teaches band, choir, and math. This year, he has 57 students that take at least one of his classes. He teaches band to 25 students. There are 48 students who take either band or choir or both. There are 9 students who take both math and choir with Mr. Green. Use the ...