# Posts by Unknown

Total # Posts: 1,270

English; Help..
Persuasive Writing Assignment: Imagine that you are an agent who is interested in publishing new authors. Choose any book you like and present the book to a publisher in New York. You want to be the person responsible for putting the book on the shelf. Any ideas? I need help ...

Math?
Okay. This is the question: If 130.943 g of a liquid occupy a space of 135.0 ml, what is the density of the liquid in g/cm3? And this is my answer: 0.9699481g/ml 481 is repeating

Math?
Wait! I'm a bit confused. Let me try and do the problem and you check it for me please?

Math?
How do you convert "ml" to grams. 1. 135.0ml to grams

Chemistry;HELP
I got D= 2.843081g/cm^3 ^(Repeats)

Chemistry;HELP
How would you do this problem? /: 1. Calculate the density of a material that has a mass of 52.497grams and a volume of 18.5cm^3?

Chem 132
The rate constant for this first-order reaction is 0.650 s–1 at 400 °C. A------> Products How long (in seconds) would it take for the concentration of A to decrease from 0.660 M to 0.350 M?

Physics
W=F.d W=209 * 10 cos 0degree W=2090 joule

ALL subjects..
Oh, alright. Thanks. anyways..

ALL subjects..
Hi!! Well,I'm in tenth grade And I was wondering if there are any practice test websites for the 10th grade Test.. I believe Pct? Please!! Help..

Cheyenne is right!

Math
Really!! Thank you so much you explained it well

Math
The price of a fan increased by 25% to \$48.75. Find the original price of the fan. This is how I did it. 100/25%=400. 48.75-4.00= 44.25. I'm not sure if I'm solving it the correct way can someone help please

math
Samantha, you are wrong. The answers are, A B C A D B C A B

World history; Check:P Added sentences.
Okay. Thanks. (:

World history; Check:P Added sentences.
Write a one paragraph essay on how developments in technology influenced the rise and decline of the Assyrian Empire. The Assyrians were the first to use iron in their weapon works. They used it in spears, swords, shields and armor. They had the most advanced weapons of their ...

World history; Check:P
Thanks. @Knights. But, is that all I should have in my essay? Should I add anything? Please help?

World history; Check:P
Write a one paragraph essay on how developments in technology influenced the rise and decline of the Assyrian Empire. The Assyrians were the first to use iron in their weapon works. They used it in spears, swords, shields and armor. They had the most advanced weapons of their...

World history; HELP
Can I get some websites? Help? Please. Write a one paragraph essay on how developments in technology influenced the rise and decline of the Assyrian Empire.

World history
Pleas help? In what ways were the Indus Valley people an advanced civilization? In what ways did their civilization compare to an advanced modern civilization today?

World history; HELP
Write a opinion paper on the most significant consequences of the Agricultural Revolution. The one about 10,000 years ago. I need help. Some websites stating facts or something?Please and thank you.

Physic
A ball is thrown horizontally from a cliff at a speed of 15 m/s and strikes the ground 45 meters from the base of the cliff. How high was the cliff (rounded to the nearest meter)

Physics
Alice and Bob share a state a|++⟩+b|−−⟩, where the first qubit is Alice's and the second qubit is Bob's. Alice measures her qubit in the standard basis and sends the measurement outcome to Bob. If Bob wants a|+⟩+b|−⟩, what ...

Physics
Specify the state of each qubit after we applied the circuit. First qubit: Second qubit:

Physics
Which of the following pairs of quantum gates commute? Select all that apply. (Gates A and B commute if and only if for any input applying A and then B gives the same results as applying B and then A. This is the same as saying that the unitary transformations commute.)

Physics
Suppose we have a qubit in the state |ψ⟩. We know that if we measure it in the standard basis, the probability of getting a 0 is 79. Now, if we instead first apply a Hadamard gate and then measure the resulting qubit H|ψ⟩ in the sign basis, what is the ...

Physics
5. What is ZX applied to |0⟩? 6. What is ZX applied to H|0⟩?

Physics
Suppose we have a one-qubit unitary U that maps |0⟩ to 12|0⟩+3√i2|1⟩ and |+⟩ to 1−3√i22√|0⟩+3√i−122√|1⟩. What is U? Explicitly indicate multiplication with a * symbol. For instance, you should ...

Physics
Suppose we have a one-qubit unitary U that maps |0⟩ to 13|0⟩+2−2i3|1⟩ and |1⟩ to 2+2i3|0⟩−13|1⟩. What is U? Explicitly indicate multiplication with a * symbol. For instance, you should write 3*i+2 instead of 3i+2.

Physics
Let U=(13i3−i). What is U†? Explicitly indicate multiplication with a * symbol. For instance, you should write 3*i+2 instead of 3i+2.

Geometry
What is used to show that an assumption is false? A. inductive reasoning B. counter example C. pattern D. conjecture ANswer: A

World history; Check:P
Can you help me? Show me some websites? Yes, and it was the 10,000 years agricultural revolution. I had some facts I guess from the other agricultural.

World history; Check:P
Write a opinion paper on the most significant consequences of the Agricultural Revolution. This is about 10,000 yearsago. One of the greatest consequence was that the population increased. The increase of population lead to the need of more clothing. People who were farmers ...

Algebra
Yeah does anyone have the answers to the whole test

Physics
What is the inner product of 13√|0⟩+2√3√|1⟩ and |+⟩? Rewrite 13√|0⟩+2√3√|1⟩ in the sign basis.

Physics
A two-qubit system was originally in the state 34|00⟩−5√4|01⟩+14|10⟩−14|11⟩, and then we measured the first qubit to be 0. Now, if we measure the second qubit in the standard basis, what is the probability that the outcome is 0? ...

Physics
Suppose we have two qubits in the state α|00⟩+β|11⟩. (a) If we measure the first qubit in the sign basis, what is the probability of seeing a +? (b) What is the resulting state of the second qubit in that case? Use a and b to denote α and β ...

Physics
Now note that the following becomes good approximations as θ→0: sinθ≈θ sin2(π4−θ)≈12−c⋅θ (where c is some constant.) Use these approximations to estimate the probability of success of the two measurements as x&#...

Physics
We have a qubit in the state |ϕ⟩=3√2|0⟩+12|1⟩, which we want to measure in the {cosθ|0⟩+sinθ|1⟩,sinθ|0⟩−cosθ|1⟩} basis. In order for the two possible outcomes to be equiprobable, what should ...

Physics
Suppose we have two qubits in the state α|00⟩+β|11⟩. (a) If we measure the first qubit in the sign basis, what is the probability of seeing a +? (b) What is the resulting state of the second qubit in that case? Use a and b to denote α and β ...

Physics
A two-qubit system was originally in the state 34|00⟩−5√4|01⟩+14|10⟩−14|11⟩, and then we measured the first qubit to be 0. Now, if we measure the second qubit in the standard basis, what is the probability that the outcome is 0?

Physics
Factor 122√|00⟩−122√|01⟩+3√22√|10⟩−3√22√|11⟩ into (a|0⟩+b|1⟩)(c|0⟩+d|1⟩), where |a|2+|b|2=1 and |c|2+|d|2=1. What is the value of |a|?

Physics
If the first qubit is in the state 13√|0⟩+2√3√|1⟩ and the second qubit is in the state 2√3√|0⟩+13√|1⟩, what is the state of the composite system?

Physics
We have a qubit in the state |ϕ⟩=3√2|0⟩+12|1⟩, which we want to measure in the {cosθ|0⟩+sinθ|1⟩,sinθ|0⟩−cosθ|1⟩} basis. In order for the two possible outcomes to be equiprobable, what should ...

Physics
Rewrite 13√|0⟩+2√3√|1⟩ in the sign basis.

Physics
What is the inner product of 13√|0⟩+2√3√|1⟩ and |+⟩?

World history; Check:P
The one about 10,000 years ago,

World history; Check:P
Human Origins Essay Write a opinion paper on the most significant consequences of the Agricultural Revolution. One of the greatest consequence was that the population increased. The increase of population lead to the need of more clothing. People who were farmers moved to ...

World history; HELP
Human Origins Essay Write a opinion paper on the most significant consequences of the Agricultural Revolution. I don't know the significant consequences.

World history; Check:P
Like this? Hebrews were monotheists. They prayed to only one god, unlike their neighbors. Their neighbors were polytheists. Hebrews worshiped Yahweh. Yahweh was their one and only god. Other religions sacrificed humans while that wasn't part of the Hebrew religion. "...

World history; Check:P
I fixed it. I'm ready to be criticize again. Please check? Indo - Europeans Essay How did the religion of the Hebrews differ from many of the religions of their neighbors? Hebrews were monotheists. They prayed to only one god, unlike their neighbors. Their neighbors were ...

World history; HELP
christo! -_- Is this better? Hebrews were monotheists they prayed to only one god, unlike their neighbors. Their neighbors were polytheists. Hebrews worshiped Yahweh. Yahweh was their one and only god. Other religions sacrificed humans while that wasn't part of the Hebrew ...

World history; HELP
Better? Hebrews were monotheists they prayed to only one god, unlike their neighbors. Their neighbors were polytheists. Hebrews worshiped Yahweh. Yahweh was their one and only god. The Hebrews asked At the time other neighborly religions sacrificed humans while that wasn't...

World history; HELP
That's all I have so far. I need to add more. Help please? How did the religion of the Hebrews differ from many of the religions of their neighbors? Hebrews were monotheists they prayed to only one god, unlike their neighbors. Their neighbors were polytheists. Hebrews ...

World history; Check:P
How's this so far? :) I kind of tried my best. Indo - Europeans Essay How did the religion of the Hebrews differ from many of the religions of their neighbors? Hebrews were monotheists they prayed to only one god, unlike their neighbors. Their neighbors were polytheists. ...

physics
Now note that the following becomes good approximations as θ→0: sinθ≈θ sin2(π4−θ)≈12−c⋅θ (where c is some constant.) Use these approximations to estimate the probability of success of the two measurements as x&#...

Physics
We have a qubit in the state |ψ>= √3/2 |0>+ 1/2 |1>, which we want to measure in the {Cos θ |0> + Sin θ |1>, Sin θ |0> - Cos θ |1>} basis. In order for the two possible outcomes to be equiprobable, what should be the value of...

Check/Help:WorldHistory
The Egyptian and Nubian Empires Essay Write a one paragraph essay on how developments in technology influenced the rise and decline of the Assyrian Empire. Technology helped the Assyrian Empire defend them selfs from being attacked. They used ironworking technology to dress ...

World history; Check:P
Is this better? There are multiple consequences from the Neolithic Agricultural Revolution. It was a major time period in the world and was very significant for us humans. It was the shift from the custom of hunting and gathering to farming and domesticating animals. There ...

World history; Check:P
Human Origins Essay Write a opinion paper on the most significant consequences of the Agricultural Revolution. The weather climate caused rising temperatures worldwide provided longer growing seasons and drier land for cultivating wild grasses. The Neolithic Revolution is the ...

World history; Check:P
Thank you. [:

World history; Check:P
Spain's Empire Assignment Why did absolute monarchs believe that they were justified in exercising absolute power? Absolute monarchs believed in divine right, the idea that God created the monarchy and that the monarch acted as God’s representative on earth. How did ...

World history; Check:P
Thomas More, Wasn't the pope? Should I just take that part out then?

World history; Check:P
Henry had the pope arrested. And Henry's second wife Elizabeth.

World history; Check:P
How is this? :) 3.What impact did Henry VIII’s actions have on England in the second half of the 1500s? Henry wanted a son, but his first wife couldn't have any more kids. He wanted to divorce her, the church did not allow divorce. Henry called Parliament into session...

World history; Check:P
Renaissance Assignment What was the attitude of Church leaders and the wealthy toward the arts? Why? The attitude of the church was encouraging and loved the art that was being done because they were willing to spend tons of money for art. They became patrons and supported the...

math 5th
It's 60 yards2.

World history; Check:P
Before the 1500s, who and what were the final authorities with regard to most knowledge? The church and it's leaders, the bible, and the king/queen. If they could not come up with an answer to a question, they would say that God did it. 2.What was the legacy of the ...

World history; Check:P
I still need help with 2 and 3. SOrry. I read it but still don't understand.

World history; Check:P
2. During the Crusades, European contact with Muslims and Byzantines greatly expanded. This contact brought a new interest in learning, especially in the works of Greek philosophers. The Muslim and Byzantine libraries housed copies of these writings. 3.to win wider support ...

World history; Check:P
Medieval Society Assignment What were three main causes of the need to reform the Church? The three main causes were: • Many village priests married and had families. Such marriages were against Church rulings. • Bishops sold positions in the Church, a practice ...

World history; HELP
Please can someone help me? 2.How were Muslim scholars linked to the revival of learning in Europe?

World history; Check:P
1.What was the significance of the Twelve Tables? The Twelve Tables were significant because they were an early example of written law displayed publicly for all who could read them. They were later used as the laws for Rome. "The Twelve Tables established the idea that ...

physics
We have a qubit in the state |ψ>= √3/2 |0>+ 1/2 |1>, which we want to measure in the {Cos θ |0> + Sin θ |1>, Sin θ |0> - Cos θ |1>} basis. In order for the two possible outcomes to be equiprobable, what should be the value of...

physics
(a) A vertically polarized photon goes through two polarizing filters, the first of which is vertically aligned and the second at degrees. What is the probability that the photon is transmitted through both filters? (b) Now, you are allowed to place a polarizing filter between...

physics
anything for 12 and 13?

physics
nope :( for 10 nor 11...any help?

physics
In the double-slit experiment, consider the point at the middle of the final (detector) screen which is equidistant from the two slits. Suppose the intensity at that point is when either slit is open. Now for each of the three cases (a) bullet (b) wave (c) quantum mechanics (...

science helppp.
Meteors

World history; Check:P
What is the significance of the twelve tablets The Twelve TABLES were significant because they were an early example of written law displayed publicly for all who could read them, another example being Hammurabi's Code What measures did the government take to distract and ...

World history; Check:P
What contributions did Solon and Cleisthenes make to the development of Athenian democracy?Solon let all Athenian citizens participate in the Assembly and Cleisthenes created the Council of Five Hundred. What steps did Pericles take to strengthen democracy in Athens? he ...

World history; Check:P
Yes. I know. It doesn't make sense to me either. Dx Thanks for trying though. :)

World history; Check:P
I can't seem to understand what this question is asking, but I have tried to answer it. Can someone check it please? :) Why were the epics of importance to the Greeks of the Dorian period? Answer: The Dorians were far less advanced than the Mycenaeans. The economy ...

English; Help/Check.
e last word in each sentence is either an adjective or an adverb. 1. The sun burnt the grass quickly. Answer: adverb 2. It burnt the grass black. Answer: adverb 3. He drove his employees hard. Answer: Adjective 4.The student studied hard for his test, so she did well. Answer: ...

English; Help/Check.
Check, Please? Select the one that is a Not a sentence fragment. A. Asking the interviewer how often he would have to work on weekends. B. To apply for a job at the new store in the mall. C. Shaking his new boss's hand, Tony knew he would like working there. Answer: C ...

English; Help..
I'm attempting to write a persuasive essay about a book that I think should get on shelf.. Can anyone giving me ideas?

English; Help/Check.
To check my answer..

English; Help/Check.
You were to listen to two authors (see chapter 11 for the list of authors -- click on any two of the links, and listen to the two authors you chose). Now you need to identify specific examples of the following: * Central idea (explain the main idea of what the author was ...

English; Help/Check.
-__- thanks for help

English; Help/Check.
Write down what you learn about Herbert, Mr. White, and Mrs. White from their reactions to the paw. Ms.WHite: She didn't think if you asked for something you'd get something taken away for that wish. Mr.WHite: he seemed to only want the the paw for show but, when he ...

World history; Check:P
Write a opinion paper on the most significant consequences of the Agricultural Revolution. We have Neolithic Farmers to thank for early settlements, villages and then towns. They made all that happen by dint one one simple factor - food surplus. You don't get food surplus ...

Physics
All I need is the formula for this. Can't remember it or what it's called, then I can solve it, thank you! The second harmonic of a guitar string has a frequency of 120 Hz. What is the length of the guitar string if the speed of the waves on the string is 110 m/s?

Physics
you just saved my life

Physics
A 0.35 m2 coil with 50 turns rotates at 5 radians per sec2 in a magnetic field of 0.6 Tesla. What is the value of the rms current in the coil if the coil has the resistance of 3.3 Ù? Can you also show me how you got the answer? Thanks so much

Geometry; Check
OH! your right I see my mistake!! Thanks. For them it was double negative.. Thanks.

Geometry; Check
Measuring segments: 8. Line AB ; A= -8 B= -6 Answer: Line AB=2 9. Line BD ; B= -6 D=-3 Answer: Line BD= 9 10. Line AD ; A= -8 D= -3 Answer: Line AD= 11 11. Line CE ; C= 1 E= 7 Answer: Line CE=6

English; Help/Check.
The raven.

English; Help/Check.
What is the main idea of 'The Raven' by Edgar Allan Poe? The raven haunts the man while being awfully depressed by his long lost love.

Physics
A 0.35 m2 coil with 50 turns rotates at 5 radians per sec2 in a magnetic field of 0.6 Tesla. What is the value of the rms current in the coil if the coil has the resistance of 3.3 Ù? Have no idea how to do this...

English; Help..
Stupid! -__-Yeah thanks for helping all you guys were doing was being mean! -__-

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