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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 -
7 answers
asked by
Lilly
410 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,
7 answers
asked by
Anonymous
3,951 views
1). What Caribbean island is rich in natural gas, and what impact has this land on the economy?
2). What is the dominant
5 answers
asked by
Anonymous
2,774 views
Consider the following reaction:
2Fe2O3 --> 4Fe + 3O2 ∆Hrxn° = +824.2 kJ The decomposition of 29.0 g of Fe2O3 results in a.
7 answers
asked by
Anonymous
26,538 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
4 answers
asked by
Anonymous
1,299 views
In which direction does the Amazon River and its tributaries flow?
1 answer
asked by
Anonymous
455 views
What countries are drained by the Amazon and its tributaries?
My answer: Bolivia, Brazil, Colombia, Ecuador, Peru, and Venezuela
2 answers
asked by
Anonymous
570 views
The standard internal energy change for a reaction can be symbolized as ΔU°rxn or ΔE°rxn.
For the following reaction
16 answers
asked by
Anonymous
10,313 views
The population of New York doubles during the workday. At the end of the workday, the population decreases by half. If the
2 answers
asked by
Jessica
1,277 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
2 answers
asked by
Anonymous
525 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
2 answers
asked by
Anonymous
1,073 views
y/11=3
4 answers
asked by
Brittany
248 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 answer
asked by
Cristian
552 views
-22+y=y/-14
1 answer
asked by
Brittany
231 views
Can someone help me with steps showing
select approximate value of x that are solutions to f(x)=0 f(x)=-7x^2 + 5x + 9
1 answer
asked by
Alaska Diamond
378 views
-22x + 11y +55z =
1 answer
asked by
John
335 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
3 answers
asked by
sabrina
2,371 views
There was no danger, difficulty, or that could ponce de leon from venturing into the jungles of florida to search for the
4 answers
asked by
someone
466 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
5 answers
asked by
Anonymous
3,133 views
5) find the complex number z and w such that z+w=4+3i and z-iw=3-2i
3 answers
asked by
Queenie
405 views
what is the Past Present and future for carry
2 answers
asked by
bonita
984 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 answer
asked by
bethany
479 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.
3 answers
asked by
Serena
352 views
Two stones are thrown simultaneously, one straight upward from the base of a cliff and the other straight downward from the top
1 answer
asked by
Jay
499 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.
7 answers
asked by
Anonymous
2,660 views
C
o m i c the ears wet eyebrows chicken right=right ieieceiie a l u m i n u m pa r tici ple
2 answers
asked by
Joe
712 views
A comprehensive defense! More effective, perhaps,
If I knew its purpose. Come: what is it? Explain it?
1 answer
asked by
Anonymous
346 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 class
Let X = the
3 answers
asked by
confused
474 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
3 answers
asked by
Nancy
944 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
2 answers
asked by
Anonymous
637 views
The Supreme Court has ruled that prosecutors cannot be subject to civil suits against them:
A even in cases of egregious
1 answer
asked by
Debra
401 views
Why does aniline turn brown upon standing? Does it also turn brown upon heating?
1 answer
asked by
John
375 views
What is the meaning of Ethics of Plagiarism?
3 answers
asked by
Celine
442 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.
3 answers
asked by
Yana
592 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
4 answers
asked by
Riza
578 views
i cant find a site for mandarin lesson, and also a dictionary(mobile). may you suggest some site teaching mandarin. xiexie. :)
1 answer
asked by
Yana
464 views
Provide the products for this reaction: CH3O- +CH3SH -> ????
3 answers
asked by
Anon.
776 views
warning signs for child neglect and abuse
1 answer
asked by
sydna
353 views
Determine whether the given argument is valid:
If Socrates was a philosopher, then he wasn’t a historian. Socrates was a
1 answer
asked by
Rita
435 views
Show that the square of an oddnumber is an odd number using a direct proof.
4 answers
asked by
1,432 views
Simplify
3*3 to the power root 40 - 4* 3 to the power root 320 - 5 to the power root 5?
3 answers
asked by
tuhituhi
727 views
factorise ?
a(a+b)^2 - 2ab(a+b)
4 answers
asked by
tuhituhi
708 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 answer
asked by
walter white
428 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 answer
asked by
walter white
412 views
Calculate the cohesive energy of potassium iodide (KI). The ionic radii of K+ and I−, are 152 pm and 206 pm, respectively.
1 answer
asked by
walter white
528 views
How many sulfate ions are there in 2.500 mL of 5.0 x 10-15 moles of Cr2(SO4)3?
2 answers
asked by
Zac
569 views
PATTYS BAKER HAS A COST OF GOODS SOLD FOR THE YEARS 2011,2010,AND 2009
RESPECTIVELY , OF $28,600,$26,900. AND $25,600. IF 2009 IS
1 answer
asked by
LIN
421 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
4 answers
asked by
physics
908 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
4 answers
asked by
James
4,279 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 answer
asked by
Roy
408 views
Some buildings are shown to have 3 blocks between each tower. If the builder continues this pattern how many blocks high will
1 answer
asked by
smoak
413 views
If four coins are flipped in succession,then the number of possible outcomes is(a)8(b)12(c)16(d)14
1 answer
asked by
Roy
387 views
1. (defining capital structure weights) templeton extended care facilities, inc. is considering the acquisition of a chain of
1 answer
asked by
chris
802 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
2 answers
asked by
Raz
558 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 answer
asked by
Shaun
325 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 answer
asked by
Shaun
516 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
4 answers
asked by
Abigail
1,879 views
Integrate the expression β = 1/V (δV / δT) at constant pressure, assuming that β is independent of temperature. By doing so,
4 answers
asked by
Brittney
1,179 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
2 answers
asked by
imath
583 views
I need some help on this problem:
Describe the difference between an open equation and a closed equation. My textbook says that
2 answers
asked by
Anonymous
634 views
how did wheat impact the Americas?
1 answer
asked by
lena
423 views
r = -5x^2 + 73x
Can someone show me the steps to complete the square for that equation? I don't really understand them.
1 answer
asked by
Jess
448 views
what is the name of reaction for 3C2H2--> C6H6?
6 answers
asked by
hi
1,918 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
3 answers
asked by
leena
556 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
2 answers
asked by
Anonymous
528 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
5 answers
asked by
Kimmy
523 views
the probabilities of a boy passing English and Mathematics tests are x and y. What is the probability of failing both
3 answers
asked by
Dave
413 views
what is the cost of spraying insecticide on a field measuring 2000m by 3200m if the cost is $22 per hectare.
4 answers
asked by
leena
1,161 views
1. The teacher issued a warning to all (procrastinate) that friday would be the last chance to turn in papers.
2.The principal
6 answers
asked by
someone
541 views
Please help. round to the nearest penny [ hundredth] $10.13 x4.5
4 answers
asked by
sam
333 views
The part of a presentation allows me to add character data is Frames.
B. Animation C. Text Boxes D. Video Areas
1 answer
asked by
Dallas
463 views
is it better to take physics or chemistry
if taking both whats better to take 1st in sophomore year better to take ap statistics
2 answers
asked by
jim
510 views
A spectral line is emitted when an atom undergoes tranisition between two levels with a difference in energy of 2.4eV.What is
4 answers
asked by
physics
668 views
Assume that the maximum aperture of the human eye, D, is approximately 8 mm and the average wavelength of visible light, λ, is
3 answers
asked by
vv
789 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 answer
asked by
Lyra
589 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 answer
asked by
aron
469 views
The half-life of a certain radioactive isotope is 32 hours.What fraction of the sample would remain after 16
5 answers
asked by
john
794 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 answer
asked by
Anon
438 views
So for Chem we have to answer a question asking why graphing is a more accurate method for measuring density than manually
1 answer
asked by
Anonymous
484 views
Both Greek and Enlightenment philosophers believed that humans __________.
3 answers
asked by
tyiana
573 views
The flywheel of a steam engine begins to rotate from rest with a constant angular acceleration of 1.45 rad/s2. It accelerates
3 answers
asked by
Sue
2,607 views
1.) 28 - 0.3 = 0.7 - 12
2.) 3c -4c + 1 = 5c + 2 + 3
6 answers
asked by
Anonymous
286 views
How much schoolwork must you complete to graduate high school in approximately two years?
4 answers
asked by
Anonymous
334 views
The combustion of ethane (C2H6) produces carbon dioxide and steam:
2C2H6+702 yields 4CO2 +6H2O How many moles of CO2 are produced
4 answers
asked by
Mary
1,914 views
What are 2 purposes of the exposition of The Most Dangerous Game?
3 answers
asked by
Anthony
434 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,
4 answers
asked by
Hannah
1,078 views
calculate q , w , and ∆ E for melting 1.00 mol of ice at 0 ◦ C and 1.00 atm pressure
4 answers
asked by
C
1,369 views
Scuttles across the sand, the crab disappeared into the surf.
correct way to write the derivative scuttle as sscuttles
1 answer
asked by
jim
338 views
Why did Jim often stay on the raft in Huckleberry Finn?
Was it because people would catch him as a runaway slave?
1 answer
asked by
Anonymous
471 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 answer
asked by
Sue
732 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
4 answers
asked by
Lilly
549 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
2 answers
asked by
Jessica
829 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
2 answers
asked by
help please
572 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
3 answers
asked by
Kelly
376 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.
3 answers
asked by
Sue
445 views
A certain type of ideal gas at pressure p0 is contained in a plugged flask of volume V initially at temperature T1. The
2 answers
asked by
Anon.
631 views
If aqueous hydrofluoric acid is reacted with sodium hydroxide, which of the following substances are in the net ionic equation?
2 answers
asked by
Adam
816 views
name all the isomers for c5h10br2
1 answer
asked by
lisa
501 views
I need to make each statement into a question using the interrogative words. Can someone revise the questions
Adónde Cuándo
7 answers
asked by
Elizabeth
7,554 views
So for Chem we have to answer a question asking why graphing is a more accurate method for measuring density than manually
1 answer
asked by
Anonymous
430 views
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