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2012
March

Questions Asked on March 14, 2012

Explain It- Explain how knowing that 5 divided by 8 = 0.625 helps you write the decimal for 4 5/8.
1. 10 answers
2. asked by Gabby ( 5 grade)
3. 6,667 views
Hi, I have a calculus question that I just cannot figure out, it is about volume of cross sections.I would very much appreciate
1. 0 answers
2. asked by Michael
3. 914 views
What is the surface area of a cylinder with a top area of 36pi and a height of 20cm
1. 1 answer
2. asked by meme
3. 457 views
The Kangzi dictionary compiled in China in 1710 during the Qing dynasty encompasses 46964 characters. How many bits would it
1. 0 answers
2. asked by long
3. 326 views
How do the principles of physics and chemistry both come into play when developing new materials?
1. 0 answers
2. asked by long
3. 406 views
How many electrons and orbitals are represented by 2s2
1. 1 answer
2. asked by Joey
3. 411 views
How many electrons are in oxide and in oxygen
1. 1 answer
2. asked by Tony
3. 685 views
How many moles are found in 25 grams of hydrogen chloride gas
1. 1 answer
2. asked by Joey
3. 780 views
Given that the equation of the circle is x^2+y^2+2x-8y+5=0(i)find the centre and radius of the circle (ii)Determine whether the
1. 2 answers
2. asked by tembo
3. 632 views
Find real numbers x and y such that 3x+2iy-ix+5y=7+5i
1. 7 answers
2. asked by moyo
3. 6,127 views
factorise x^3-4x62-11x+2
1. 2 answers
2. asked by mateyo
3. 962 views
Prove that sin3theta=3sintheta-4sin^3theta
1. 1 answer
2. asked by chama
3. 716 views
Imagine you are one of the competitors in the Ten Tors Challenge. Describe your clothes and the things you will take with you on
1. 1 answer
2. asked by Matthew
3. 829 views
Given the quadratic functionf(x)=x^2+(3k+1)x+k^2,find the value(s)of kif f(x)is a perfect square
1. 1 answer
2. asked by chama
3. 360 views
Without using a calculator evaluate tan 105degrees
1. 2 answers
2. asked by chota
3. 464 views
I left out these sentences. Thank you.1) I hope the weather will be nice/good. I hope to have luck with the weather. If there is
1. 1 answer
2. asked by Matthew
3. 623 views
A sample of 15 recent college graduates found that starting salaries for attorneys in New York City had a mean of $102,342 and a
1. 1 answer
2. asked by Mark
3. 1,538 views
a bag contains 7 red balls, 4 green balls and 5 yellow balls. what is the probability that 3 balls drawn at random are either
1. 1 answer
2. asked by anuj
3. 2,459 views
Music Video Project Biology?Hey! So I am doing a music video project for AP Biology, and my topic is Gene Regulation. I want to
1. 0 answers
2. asked by Sam
3. 546 views
A car traveling at 37 m/s breaks to a stop in 6.0 m and 3.5 s. What was the car’s acceleration?
1. 1 answer
2. asked by shelly
3. 353 views
what type of reaction is Al+S8=Al2S3
1. 1 answer
2. asked by angel
3. 2,141 views
plate tectonics crossword puzzle what Qs and As can i use???????PLZZZZZ HELP ME!!!!!!!!!!!!!
1. 1 answer
2. asked by jake
3. 507 views
A study of the system, H2(g) + I2(g) == 2 HI(g), was carriedout. Kc = 54.9 at 699.0 K (Kelvin) for this reaction. A system was
1. 1 answer
2. asked by jayla
3. 1,277 views
gas chromatographic analysis of a mixture of organic compounds gave the following peak areas: 2-hexene= 2.5 2-bromogexane=4.0
1. 0 answers
2. asked by jessica
3. 839 views
Hi,Ive looked online and in my textbook but I cant a good explanation. Basically, I need a detailed explanation of why quartile
1. 1 answer
2. asked by Remy
3. 996 views
For the system CaO(s) + CO2(g) = CaCO3(s), I added 1.00 mol of CaO(s) to 1.00L of 0.500M CO2(g) at 200 oC. At equilibrium the
1. 1 answer
2. asked by jayla
3. 596 views
Thanks Ms Sue!!!
1. 1 answer
2. asked by jake
3. 312 views
I'm doing an assignment about choosing the best promotion by analysing some sets of data that have been provided for us. Other
1. 1 answer
2. asked by Raeya
3. 378 views
As a bowling ball of radius 15.9 cm rolls down the alley to the right, a frictional force of magnitude 1.46 N, directed to the
1. 1 answer
2. asked by John
3. 635 views
As a bowling ball of radius 15.9 cm rolls down the alley to the right, a frictional force of magnitude 1.46 N, directed to the
1. 0 answers
2. asked by John
3. 1,014 views
Compute the linear momentum and angular momentum of a Frisbee of mass 0.175 kg if it has a linear speed of 1.65 m/s and an
1. 1 answer
2. asked by John
3. 1,243 views
A merry-go-round starts from rest and accelerates uniformly over 26.0 s to a final angular velocity of 5.50 rev/min.(a) Find the
1. 1 answer
2. asked by John
3. 1,645 views
The rear window in a car is approximately a rectangle, 1.8 m wide and 0.33 m high. The inside rearview mirror is 0.58 m from the
1. 1 answer
2. asked by Anonymous
3. 591 views
What are the components that serve as electrolyte,anode and cathode in dry cell?
1. 0 answers
2. asked by Chemo
3. 395 views
Jamal currently earns $20,000 a year in gross wages. On January 1, he is due to receive a 2% COLA. What will his gross income be
1. 2 answers
2. asked by Anonymous
3. 428 views
Question PartPoints Submissions Used A baseball pitcher pivots his extended arm about his shoulder joint, applying a constant
1. 1 answer
2. asked by cindy
3. 518 views
What is smog? What is the biggest source of smog today?I know smog is a type of air pollution, but I am not aware of the biggest
1. 2 answers
2. asked by anonymous
3. 583 views
A weather vane initially at rest has a moment of inertia of 0.115 kg · m2 about its axis of rotation. A 44.5 g piece of clay is
1. 1 answer
2. asked by cindy
3. 794 views
A heavy concrete panel is being lifted into position in a building by means of a crane (see figure below). The tension of 1.89
1. 1 answer
2. asked by cindy
3. 703 views
Calculate the empirical formula of a molecule with the following percent compositions: 55.0% gallium (Ga) and 45.0% fluorine
1. 2 answers
2. asked by princess
3. 3,054 views
A clerk can file cards at the rate of 120 cards per hour. He has a total of 900 cards to file. How many cards remain to be filed
1. 1 answer
2. asked by Anonymous
3. 400 views
My little sister needs help on her homework and I don't remember really how to do this. I can't tell her if the answers or if
1. 1 answer
2. asked by Maria
3. 702 views
a description of ethical and legal considerations in conducting research in human development. Also explain how you would
1. 1 answer
2. asked by lisa
3. 585 views
abigail works at a skateboard shop. she earns $8 per hour and $1 commission for each sale she makes. from june 1st to june 5th,
1. 2 answers
2. asked by yes
3. 765 views
can someone please tell me the equation for compshift?double Angle = 45.0; double AngleRadians; double ComptonShift ;
1. 1 answer
2. asked by Nick
3. 1,061 views
Could you please check these sentences, please? Thank you.1) The thieves stole a lot of things but they didn't damage the house.
1. 1 answer
2. asked by Matthew
3. 505 views
What are some of the dangerous by-products of waste incineration and pyrolysis?Anything to help with this would be great.
1. 0 answers
2. asked by anonymous
3. 294 views
An 9.20kg ball, hanging from the ceiling by a light wire 115 long, is struck in an elastic collision by a 1.20kg ball moving
1. 1 answer
2. asked by Anonymus
3. 610 views
If a football goal is a 11.50 meters in height how long is the width
1. 1 answer
2. asked by Anonymous
3. 377 views
If 3 moles of a compound use 12 J of energy in a reaction, what is the Hreaction in kJ/mol?A. -4 kJ/mol B. -0.004 kJ/mol C.
1. 9 answers
2. asked by princess
3. 8,257 views
I left out the following sentences.Please, could you check them too? 1) My backpack is very heavy because inside (in it? are
1. 1 answer
2. asked by Matthew
3. 606 views
Among humans, increased interest in food intake normally occurs _____.only after the production of glucose in the liver can no
1. 2 answers
2. asked by Jake
3. 1,794 views
What results would you expect if KOH or NaOH were omitted in the Benedict's test? Why?
1. 1 answer
2. asked by Anonymous
3. 1,424 views
heather's puppy has a mass of 1000 grams. what is the mass of heathers puppy in kilograms? 1000 kilograms100 kilograms 10
1. 1 answer
2. asked by yes
3. 891 views
The area of a square garden is 242m squared. How long is the diagonal?
1. 1 answer
2. asked by Anon
3. 1,819 views
Find the length of d in simplest radical form of he diagonal of a cube with sides of s units.
1. 2 answers
2. asked by helen
3. 2,677 views
A small dog is trained to jump straight up a distance of 1.2 m. How much kinetic energy does the 7.2-kg dog need to jump this
1. 3 answers
2. asked by MiyaW
3. 2,409 views
A grid shows the positions of a subway stop and your house. The subway stop is located at (-5,2) and your house is located at
1. 2 answers
2. asked by helen
3. 4,828 views
COS of ___ = 2/14
1. 1 answer
2. asked by Margearett
3. 286 views
SIN of ___ = 2/25
1. 1 answer
2. asked by Margearett
3. 399 views
chiang picked 12 apples.she gave 1/6 of the apples to each of her 5 frinds.how many apples did each friend get? p.s.i am in 3rd
1. 1 answer
2. asked by chiosna
3. 1,463 views
Find the force of tension in the chain. Determine the force of compression in the support bar. Be sure to include a free body
1. 0 answers
2. asked by anonymous
3. 582 views
In this problem they show a diagram of a pulley system with an inclined plane (25 degree incline). There is a box called m1=47kg
1. 1 answer
2. asked by anonymous
3. 590 views
what volume of hydrogen is formed when 3.00g of magnesium react with an excess of dilute sulfuric acid?
1. 1 answer
2. asked by skhumbuzo khumalo
3. 606 views
A roller coaster reaches the top of the steepest hill with a speed of 3.0 . It then descends the hill, which is at an average
1. 1 answer
2. asked by Kristina
3. 3,963 views
In the design of a supermarket, there are to be several ramps connecting different parts of the store. Customers will have to
1. 2 answers
2. asked by Kristina
3. 1,169 views
Gladys Swain slipped from a sidewalk curb and twisted her right ankle. Because of the severe pain she was suffering and the
1. 2 answers
2. asked by Trinity
3. 2,109 views
The measure of one angle is 30 degrees less than one-third the measure of its supplement. Find the two angles.
1. 2 answers
2. asked by lea
3. 1,668 views
Eighty people are separated into 2 groups. The first group is 8 less than 3 times as large as the second. Find the number of
1. 1 answer
2. asked by lea
3. 561 views
What is the prime number in this fraction 5/6? Please answer that then have another response to that one. What is the square
1. 2 answers
2. asked by consquela
3. 973 views
a saturated solution of salt X contains 0.28g of the salt in 100cm3 of solution at 25degree centigrate, what is the solubility
1. 4 answers
2. asked by emma gegeluv
3. 672 views
A rectangle has a length of 4x and a width of 4x-2. Its perimeter is 12 inches. Find the length and width. Write the equations.
1. 1 answer
2. asked by lea
3. 635 views
Consider the following reaction at 298 K:C(graphite) +2Cl2 (g) -----> CCl4(l) Calculate the following quantities. Delta H: -139
1. 5 answers
2. asked by Kelsey
3. 1,494 views
Della purchased a warehouse on February 25, 2011, for $350,000. $45,000 of the price was for the land. What is her cost recovery
1. 1 answer
2. asked by Andy
3. 904 views
The length of a rectangle is 4 times the width. The perimeter is 50cm. Find the length and width. Write the equations. What is
1. 1 answer
2. asked by lea
3. 833 views
HOW MUCH 1 MOLE HCL IS REQUIRED TO MAKE 250ML OF 0.1 MOLE HCL?
1. 1 answer
2. asked by NANCY
3. 901 views
What is the momentum of an automobile (weight = 9600 N) when it is moving at 38 m/s to the south?
1. 1 answer
2. asked by opp
3. 441 views
A boat is rowed down a river a distance of 16 miles in 2 hours and it is rowed upstream the same distance in 8 hours. Let r
1. 1 answer
2. asked by lea
3. 937 views
A uranium nucleus (mass 238 u), initially at rest, undergoes radioactive decay. After an alpha particle (mass 4.0 u) is emitted,
1. 1 answer
2. asked by opp
3. 740 views
The average airspeed of a single-engine aircraft is 150 milesper hour. If the aircraft flew the same distance in two hours with
1. 2 answers
2. asked by lea
3. 843 views
The measure of one angle is 15 degrees more than half the measure of its complement. Find the measure of the two angles.
1. 1 answer
2. asked by lea
3. 760 views
how to change mg/mL into mmol/L?
1. 1 answer
2. asked by JENNY
3. 458 views
Two slits are 0.144 mm apart. A mixture of red light (wavelength = 665 nm) and yellow-green light (wavelength = 565 nm) falls on
1. 0 answers
2. asked by DCM
3. 507 views
A block of wood of mass 0.86 kg is initially at rest. A bullet of mass 0.048 kg traveling at 102.3 m/s strikes the block and
1. 1 answer
2. asked by opp
3. 588 views
Identify the capitalized part of speech in the following sentence:You should be proud of him, FOR he's a "jolly good fellow."
1. 1 answer
2. asked by david
3. 637 views
Mrs.Frisby and the Rats of NIMH1. Write from Mrs.Frisby's point of view your thought upon hearing the tractor start. Then write
1. 3 answers
2. asked by Sharis
3. 494 views
How many grams of barium carbonate can be produced from mixing 100.0 mL of 0.20M barium nitrate and 50.0 mL of 0.30M potassium
1. 0 answers
2. asked by Mallory
3. 533 views
use either substitution or elimination4/x-3/y=0 4y=3x
1. 1 answer
2. asked by Jennifer
3. 817 views
Hi, I have to compare Crossing Brooklyn Ferry by Walt Whitman to modern day time. The last couple of journal entries I've
1. 0 answers
2. asked by jon
3. 477 views
Two numbers have a product of 3 1/5 and a sum of 3 3/5. One of the numbers is a whole number. Find the numbers.
1. 1 answer
2. asked by Laura
3. 491 views
Identify the underlined part of speech in the following sentence:Unless you come to class and complete the work, you will learn
1. 1 answer
2. asked by tymeesha
3. 707 views
Identify the capitalized part of speech in the following sentence:Sterling has volunteered FOR an organization that helps the
1. 1 answer
2. asked by treena
3. 1,078 views
What is the number of bonding electrons and the number of nonbonding electrons in the structure of BeF2?
1. 2 answers
2. asked by Liz
3. 929 views
Can you have a look at these sentences, please?1. I’m emailing you the list of students, who are looking forward to starting
1. 1 answer
2. asked by Matthew
3. 984 views
Given PV=nRT and the following equation:CH4+2O2=CO2+2H2O Calculate the maximum number of ML of CO2 at 750 torr and 295.15
1. 1 answer
2. asked by Chantel
3. 716 views
if d=m/v,find the value of d if m=48 and v=6
1. 1 answer
2. asked by myeshia
3. 252 views
a blue box has 5 times as many marbles as a red box. the blue box has 24 more marbles than the red box. how many marbles are in
1. 1 answer
2. asked by Gabbie
3. 960 views
A 12.0g sample of carbohydrate contain 4.50g of carbon, 3.25g of oxygen, and some hydrogen. Determine the percent by mass of
1. 1 answer
2. asked by puraw
3. 444 views
Which of the following reactions have a positive ΔSrxn? Check all that apply.A(g) +B(g) -----> 3C(g) A(g)+ B(g)------> C(g) 2A
1. 4 answers
2. asked by Jerry
3. 18,544 views
§179 expense is available for all of the following business assets except:A. a bulldozer. B. a phone system. C. an apartment
1. 1 answer
2. asked by Andy
3. 885 views

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