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2013
September

Questions Asked on September 22, 2013

Can someone help me subtract factions I don't know how to borrow.12 1/3 - 7 2/5 LCD=15 So, 1/3 • 5/5 & 7/5 • 3/3 = 5/15 -
1. 7 answers
2. asked by Lilly
3. 426 views
Order the following numbers from least to greatest.√5, -0.1, (-5/3), 0.7, √2 a. 0.7, √2, (-5/3), √5, -0.1 b. √5, √2,
1. 6 answers
2. asked by Anonymous
3. 3,970 views
1). What Caribbean island is rich in natural gas, and what impact has this land on the economy?2). What is the dominant
1. 4 answers
2. asked by Anonymous
3. 2,789 views
Consider the following reaction:2Fe2O3 --> 4Fe + 3O2 ∆Hrxn° = +824.2 kJ The decomposition of 29.0 g of Fe2O3 results in a.
1. 5 answers
2. asked by Anonymous
3. 26,562 views
Please help! I have spent hours trying to work these three problems.How many grams of solid barium sulfate form when 27.1 mL of
1. 3 answers
2. asked by Anonymous
3. 1,319 views
In which direction does the Amazon River and its tributaries flow?
1. 1 answer
2. asked by Anonymous
3. 466 views
What countries are drained by the Amazon and its tributaries?My answer: Bolivia, Brazil, Colombia, Ecuador, Peru, and Venezuela
1. 1 answer
2. asked by Anonymous
3. 583 views
The standard internal energy change for a reaction can be symbolized as ΔU°rxn or ΔE°rxn.For the following reaction
1. 16 answers
2. asked by Anonymous
3. 10,350 views
The population of New York doubles during the workday. At the end of the workday, the population decreases by half. If the
1. 1 answer
2. asked by Jessica
3. 1,295 views
A computer depreciates (loses its value) at a rate of 50% the original value every 2 years. If the computer now costs $75 after
1. 1 answer
2. asked by Anonymous
3. 538 views
A new car depreciates as soon as you drive it out of the parking lot. A certain car depreciates to half its original value in 4
1. 1 answer
2. asked by Anonymous
3. 1,092 views
y/11=3
1. 3 answers
2. asked by Brittany
3. 260 views
Suppose 1.00 ml of blood from a given donor contained 5 X 106 red blood cells and the donor’s hematocrit were 48%. Determine
1. 0 answers
2. asked by Cristian
3. 560 views
-22+y=y/-14
1. 1 answer
2. asked by Brittany
3. 243 views
Can someone help me with steps showingselect approximate value of x that are solutions to f(x)=0 f(x)=-7x^2 + 5x + 9
1. 1 answer
2. asked by Alaska Diamond
3. 389 views
-22x + 11y +55z =
1. 1 answer
2. asked by John
3. 340 views
The radius of a aluminum atom is 143 pm. How many aluminum atoms would have to be laid side by side to span a distance of 4.90
1. 1 answer
2. asked by sabrina
3. 2,390 views
There was no danger, difficulty, or that could ponce de leon from venturing into the jungles of florida to search for the
1. 3 answers
2. asked by someone
3. 479 views
An element with the symbol Z has the electron configuration 2.8.6. Which species is this elrment most likely to form?A. The ion
1. 2 answers
2. asked by Anonymous
3. 3,153 views
5) find the complex number z and w such that z+w=4+3i and z-iw=3-2i
1. 2 answers
2. asked by Queenie
3. 416 views
what is the Past Present and future for carry
1. 1 answer
2. asked by bonita
3. 989 views
An extension to my other question- how did oliver cromwell like impact the world and why was he significant? It could relate to
1. 1 answer
2. asked by bethany
3. 486 views
When electrons get excited can they only move up one level or can they go up multiple orbitals, but just one at a time.
1. 2 answers
2. asked by Serena
3. 361 views
Two stones are thrown simultaneously, one straight upward from the base of a cliff and the other straight downward from the top
1. 1 answer
2. asked by Jay
3. 534 views
Is -7 + 9 = -9 + 7 true, false, or open?a. true b. false (this one?) c. open Is 4x - 3 = 19 true, false, or open? a. true b.
1. 7 answers
2. asked by Anonymous
3. 2,682 views
Co m i c the ears wet eyebrows chicken right=right ieieceiie a l u m i n u m pa r tici ple
1. 1 answer
2. asked by Joe
3. 723 views
A comprehensive defense! More effective, perhaps,If I knew its purpose. Come: what is it? Explain it?
1. 1 answer
2. asked by Anonymous
3. 359 views
a teacher reported 1/5 made A's, 1/4 made B, 1/3 made C's, 1/6 made D's, and 12 made F's How many are in the classLet X = the
1. 2 answers
2. asked by confused
3. 487 views
The half life of U238 is 4.5 x 10^9 yr. A sample of rock of 1.6 g produces 29 dis/sec. Assuming all radioactivity is due to U238
1. 1 answer
2. asked by Nancy
3. 961 views
Linda has a total of 225 on 3 tests. The sum of the scores on the first and second tests exceeds her third score by 61. Her
1. 1 answer
2. asked by Anonymous
3. 647 views
The Supreme Court has ruled that prosecutors cannot be subject to civil suits against them:A even in cases of egregious
1. 1 answer
2. asked by Debra
3. 411 views
Why does aniline turn brown upon standing? Does it also turn brown upon heating?
1. 0 answers
2. asked by John
3. 381 views
What is the meaning of Ethics of Plagiarism?
1. 2 answers
2. asked by Celine
3. 454 views
1. the points A (3,5) and B (6,2) are reflected over the y-axis. find the area of the figure formed by joining the points.2.
1. 2 answers
2. asked by Yana
3. 607 views
what value of m will make 4x-7y=5 and 9x+my=3 parallel?a car leaves town A at 10:00 a.m. and travels at a constant speed of 40
1. 3 answers
2. asked by Riza
3. 591 views
i cant find a site for mandarin lesson, and also a dictionary(mobile). may you suggest some site teaching mandarin. xiexie. :)
1. 2 answers
2. asked by Yana
3. 482 views
Provide the products for this reaction: CH3O- +CH3SH -> ????
1. 1 answer
2. asked by Anon.
3. 790 views
warning signs for child neglect and abuse
1. 0 answers
2. asked by sydna
3. 361 views
Determine whether the given argument is valid:If Socrates was a philosopher, then he wasn’t a historian. Socrates was a
1. 1 answer
2. asked by Rita
3. 449 views
Show that the square of an oddnumber is an odd number using a direct proof.
1. 2 answers
2. asked by
3. 1,446 views
Simplify3*3 to the power root 40 - 4* 3 to the power root 320 - 5 to the power root 5?
1. 2 answers
2. asked by tuhituhi
3. 740 views
factorise ?a(a+b)^2 - 2ab(a+b)
1. 1 answer
2. asked by tuhituhi
3. 722 views
What is the energy of a bond formed between a potassium (K+) cation and an iodide (I−) anion? The ionic radii of K+ and I−,
1. 0 answers
2. asked by walter white
3. 437 views
What is the energy of a bond formed between a potassium (K+) cation and an iodide (I−) anion? The ionic radii of K+ and I−,
1. 0 answers
2. asked by walter white
3. 421 views
Calculate the cohesive energy of potassium iodide (KI). The ionic radii of K+ and I−, are 152 pm and 206 pm, respectively.
1. 0 answers
2. asked by walter white
3. 535 views
How many sulfate ions are there in 2.500 mL of 5.0 x 10-15 moles of Cr2(SO4)3?
1. 1 answer
2. asked by Zac
3. 578 views
PATTYS BAKER HAS A COST OF GOODS SOLD FOR THE YEARS 2011,2010,AND 2009RESPECTIVELY , OF $28,600,$26,900. AND $25,600. IF 2009 IS
1. 0 answers
2. asked by LIN
3. 432 views
A current flows in a wire of circular cross-section with the free electrons travelling with a mean drift velocity v. If an equal
1. 3 answers
2. asked by physics
3. 924 views
When 0.422 g of phosphorus is burned, 0.967 g of a white oxide (a compound of phosphorus and oxygen) is obtained.a. Determine
1. 1 answer
2. asked by James
3. 4,294 views
A proton with speed v perpendicular to a magnetic field B is experiencing a force F.If the speed of the proton is doubled,the
1. 1 answer
2. asked by Roy
3. 427 views
Some buildings are shown to have 3 blocks between each tower. If the builder continues this pattern how many blocks high will
1. 1 answer
2. asked by smoak
3. 422 views
If four coins are flipped in succession,then the number of possible outcomes is(a)8(b)12(c)16(d)14
1. 1 answer
2. asked by Roy
3. 404 views
1. (defining capital structure weights) templeton extended care facilities, inc. is considering the acquisition of a chain of
1. 0 answers
2. asked by chris
3. 810 views
At a butcher shop, 1 pound of beef and 2 pounds of chicken costs 859 cents. 1 pound of beef and 2 pounds of duck costs 951
1. 1 answer
2. asked by Raz
3. 572 views
In the expression A(x+5)+2(−Bx+2),the coefficient of x is 17 and the constant term is 219. What is the value of A−B?
1. 1 answer
2. asked by Shaun
3. 333 views
5 times the least of three consecutive odd numbers is 35 more than twice the sum of the greater two. What is the sum of the
1. 1 answer
2. asked by Shaun
3. 526 views
A ball is thrown horizontally from the top of a cliff 20m high. If the initial horizontal velocity is 8.0m/s,find how long it
1. 3 answers
2. asked by Abigail
3. 1,900 views
Integrate the expression β = 1/V (δV / δT) at constant pressure, assuming that β is independent of temperature. By doing so,
1. 2 answers
2. asked by Brittney
3. 1,193 views
In this problem, we will carry out some steps of the quantum factoring algorithm for N=21.(a) What is the period k of the
1. 0 answers
2. asked by imath
3. 596 views
I need some help on this problem:Describe the difference between an open equation and a closed equation. My textbook says that
1. 1 answer
2. asked by Anonymous
3. 652 views
how did wheat impact the Americas?
1. 1 answer
2. asked by lena
3. 435 views
r = -5x^2 + 73xCan someone show me the steps to complete the square for that equation? I don't really understand them.
1. 1 answer
2. asked by Jess
3. 458 views
what is the name of reaction for 3C2H2--> C6H6?
1. 5 answers
2. asked by hi
3. 1,931 views
find the speed of a point on the rim of a 24-cm diameter fly -wheel which is tuning at 2800 revolutions per minute. give your
1. 2 answers
2. asked by leena
3. 567 views
A swimmer can swim in still water at a speed of 9.42 m/s. He intends to swim directly across a river that has a downstream
1. 1 answer
2. asked by Anonymous
3. 538 views
A train has a mass of 5.27E+6 kg and is moving at 53.9 km/hr. The engineer applies the brakes, which results in a net backward
1. 4 answers
2. asked by Kimmy
3. 536 views
the probabilities of a boy passing English and Mathematics tests are x and y. What is the probability of failing both
1. 2 answers
2. asked by Dave
3. 423 views
what is the cost of spraying insecticide on a field measuring 2000m by 3200m if the cost is $22 per hectare.
1. 2 answers
2. asked by leena
3. 1,171 views
1. The teacher issued a warning to all (procrastinate) that friday would be the last chance to turn in papers.2.The principal
1. 5 answers
2. asked by someone
3. 559 views
Please help. round to the nearest penny [ hundredth] $10.13 x4.5
1. 3 answers
2. asked by sam
3. 342 views
The part of a presentation allows me to add character data is Frames.B. Animation C. Text Boxes D. Video Areas
1. 0 answers
2. asked by Dallas
3. 471 views
is it better to take physics or chemistryif taking both whats better to take 1st in sophomore year better to take ap statistics
1. 1 answer
2. asked by jim
3. 519 views
A spectral line is emitted when an atom undergoes tranisition between two levels with a difference in energy of 2.4eV.What is
1. 1 answer
2. asked by physics
3. 679 views
Assume that the maximum aperture of the human eye, D, is approximately 8 mm and the average wavelength of visible light, λ, is
1. 0 answers
2. asked by vv
3. 801 views
Two blocks (M1 = 2.57 kg and M2 = 6.71 kg) are in contact on a frictionless, horizontal tabletop. An external force, $\vec{F}$,
1. 0 answers
2. asked by Lyra
3. 603 views
An ambulance car is going with a speed of 60 km/h, while a car is trying to go around it in a circle with a speed 50 km/h. If
1. 0 answers
2. asked by aron
3. 478 views
The half-life of a certain radioactive isotope is 32 hours.What fraction of the sample would remain after 16
1. 4 answers
2. asked by john
3. 808 views
if a fish farmer wanted to harvest his fish so that it recovered at the maximum rate, where should the population be maintained?
1. 1 answer
2. asked by Anon
3. 445 views
So for Chem we have to answer a question asking why graphing is a more accurate method for measuring density than manually
1. 1 answer
2. asked by Anonymous
3. 544 views
Both Greek and Enlightenment philosophers believed that humans __________.
1. 2 answers
2. asked by tyiana
3. 582 views
The flywheel of a steam engine begins to rotate from rest with a constant angular acceleration of 1.45 rad/s2. It accelerates
1. 1 answer
2. asked by Sue
3. 2,620 views
1.) 28 - 0.3 = 0.7 - 122.) 3c -4c + 1 = 5c + 2 + 3
1. 5 answers
2. asked by Anonymous
3. 297 views
How much schoolwork must you complete to graduate high school in approximately two years?
1. 3 answers
2. asked by Anonymous
3. 349 views
The combustion of ethane (C2H6) produces carbon dioxide and steam:2C2H6+702 yields 4CO2 +6H2O How many moles of CO2 are produced
1. 3 answers
2. asked by Mary
3. 1,934 views
What are 2 purposes of the exposition of The Most Dangerous Game?
1. 2 answers
2. asked by Anthony
3. 443 views
A vessel containing 39.5 cm3 of helium gas at 25°C and 106 kPa was inverted and placed in cold ethanol. As the gas contracted,
1. 2 answers
2. asked by Hannah
3. 1,089 views
calculate q , w , and ∆ E for melting 1.00 mol of ice at 0 ◦ C and 1.00 atm pressure
1. 2 answers
2. asked by C
3. 1,382 views
Scuttles across the sand, the crab disappeared into the surf.correct way to write the derivative scuttle as sscuttles
1. 1 answer
2. asked by jim
3. 345 views
Why did Jim often stay on the raft in Huckleberry Finn?Was it because people would catch him as a runaway slave?
1. 1 answer
2. asked by Anonymous
3. 477 views
Two objects of equal mass are on a turning wheel. Mass 1 is located at the rim of the wheel while mass 2 is located halfway
1. 0 answers
2. asked by Sue
3. 744 views
Can someone help me with this question as in don't give me the answer but help me how to start it!I've been stuck on this
1. 3 answers
2. asked by Lilly
3. 561 views
Table salt, NaCl(s), and sugar, C12H22O11(s), are accidentally mixed. A 4.00-g sample is burned, and 3.30 g of CO2(g) is
1. 1 answer
2. asked by Jessica
3. 839 views
A rifle that has been "sighted in" for a 94.6-meter target. If the muzzle speed of the bullet is v0 = 429 m/s, what are the two
1. 1 answer
2. asked by help please
3. 588 views
Rod and John ride their bikes in opposite directions. Rod ride 5 miles an hour faster than john. After 2 hours, they are 70
1. 2 answers
2. asked by Kelly
3. 387 views
You visit a planet that turns on its axis once every 24 hours. The radius of the planet at its equator is 7.12×106 meters.
1. 0 answers
2. asked by Sue
3. 459 views
A certain type of ideal gas at pressure p0 is contained in a plugged flask of volume V initially at temperature T1. The
1. 0 answers
2. asked by Anon.
3. 642 views
If aqueous hydroﬂuoric acid is reacted with sodium hydroxide, which of the following substances are in the net ionic equation?
1. 1 answer
2. asked by Adam
3. 829 views
name all the isomers for c5h10br2
1. 1 answer
2. asked by lisa
3. 512 views
I need to make each statement into a question using the interrogative words. Can someone revise the questionsAdónde Cuándo
1. 6 answers
2. asked by Elizabeth
3. 7,583 views
So for Chem we have to answer a question asking why graphing is a more accurate method for measuring density than manually
1. 0 answers
2. asked by Anonymous
3. 439 views

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