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2010
December

Questions Asked on December 14, 2010

i dontget how the textbook got the answer, h = -30cos[(1.43)x]° + 40the question is: a paintball is shot at a wheel of radius
1. 5 answers
2. asked by pranav
3. 3,141 views
Scientists write symbols for compounds called _______?
1. 0 answers
2. asked by Brandon
3. 344 views
What is the freezing point depression of an aquous solution of 10.0 g of glucose in 50.0 g H2O?
1. 5 answers
2. asked by Gabrielle
3. 3,621 views
A motor does 5,000 of work in 20 seconds what is the power of the motor
1. 2 answers
2. asked by Anonymous
3. 761 views
I have to write a 400 word essay on M.C. Escher about my thoughts and opinons based upon his work, quotes, and his life. Does
1. 1 answer
2. asked by Jennifer
3. 519 views
determine the gram formula (mass of one mole) KMnO4
1. 3 answers
2. asked by linsey
3. 820 views
Given a solution of ammonium chloride. What additional reagent or reagents are added to prepare a buffer from the ammonium
1. 2 answers
2. asked by Ana
3. 1,607 views
How much water would you add to 12 M HCl to make 650 mL of 1.5 M HCl? Hint: This is a dilution problem
1. 3 answers
2. asked by Nathan
3. 398 views
president hoover's overall plan to deal with the great depression was to?
1. 0 answers
2. asked by jo
3. 564 views
which of the following is not an example of a parallel structure?1. yoga can help you develop flexibility, reduce stress, and
1. 4 answers
2. asked by Nancy
3. 804 views
how do i solve this. the measure of each side of an equilateral triangle RST with RS = 2x +2, ST =3x and TR
1. 2 answers
2. asked by ruben
3. 1,177 views
Given a cube of density 8900kg/m3 and length side 10cmA-what is the nature of his cube? B-find the mass of the above cube?
1. 3 answers
2. asked by Anonymous
3. 403 views
If a car travels for a distance of 16 km at an average speed of 50 km/h and then for a distance of 52 km at an average speed of
1. 1 answer
2. asked by Suzi-j
3. 577 views
A 15.0 ml sample of unknown HCL04 solution requires titration with 25.3 ml of 1.200 M NaOH to reach equivalence point. what is
1. 1 answer
2. asked by MAX
3. 607 views
what is the purpose of experimental economics
1. 1 answer
2. asked by sharon
3. 381 views
I have two short questions which I think I know the answer-could you please check?If I write log(b)x - 2log(b)y as a single
1. 6 answers
2. asked by Anna
3. 1,368 views
a hockey puck is given the initial speed of 10 m/s. If the coefficient of kinetic friction between the ice and puck is 0.10, how
1. 3 answers
2. asked by ama
3. 3,664 views
The primary audience for your message is made up of
1. 8 answers
2. asked by Anna
3. 1,945 views
x=2yy=2x+3 ??
1. 1 answer
2. asked by Ashley
3. 325 views
how do i find the general formulas for diyne AL ( al represents aldehyde)diene al eneyneol
1. 1 answer
2. asked by lou
3. 427 views
what is the molality of a solution made up of 20.5 grams of potassium chloride in 750 grams of water?
1. 1 answer
2. asked by Larry
3. 717 views
On planet Tehar, the free fall acceleration is the same as that on the Earth, but there is also a strong downward electric field
1. 1 answer
2. asked by Anonymous
3. 931 views
can feelings be personified or is it more a projection?i am writing an essay on Life of Pi and i would like to say that Richard
1. 2 answers
2. asked by Kyle
3. 822 views
An analysis of an unknown compound found it contained 40 g potassium, 52 g chromium and 56 g of oxygen.a) What is the empirical
1. 4 answers
2. asked by cam
3. 696 views
1\2,4\9,4\18 find equivalent fractions with a common denominator and order from least to greatest
1. 5 answers
2. asked by jonathan
3. 2,261 views
The perimeter of a rectangular writing pad is 44cm. The width is 4 cm less than the length.
1. 1 answer
2. asked by Anonymous
3. 447 views
In what ways has Beowulf influenced British Literature for centuries.
1. 1 answer
2. asked by danielle
3. 414 views
If I put a backward spin on a rubber band ball it returns spinning in the opposite direction. This does not happen with a tennis
1. 0 answers
2. asked by Debbie
3. 466 views
Prison management has had two very distinct styles during its evolution: autocratic and bureaucratic. What do you think are the
1. 1 answer
2. asked by Keda
3. 511 views
identify 3 types of HMO'S and how they differ in the delivery of healthcare.
1. 1 answer
2. asked by Anonymous
3. 469 views
how many axes of rotational symmetry does an equilateral triangle have (it is shown in 3d style)
1. 1 answer
2. asked by m
3. 518 views
Do you think us students should have to use yes or yes ma'am when answering teachers/ What do ya'pp prefer? And if so is there a
1. 2 answers
2. asked by lisa
3. 373 views
what are the different axes of rotational symmetry for a pentagonal pyramid?
1. 1 answer
2. asked by m
3. 2,132 views
which of the following is an equation of the line tangent to the graph of y = (x^3)-x at the point where x =2:a) y - 6 = 4(x-2)
1. 1 answer
2. asked by Marc
3. 398 views
which of the following is an equation of the line tangent to the graph of y = (x^3)-x at the point where x =2:a) y - 6 = 4(x-2)
1. 1 answer
2. asked by Marc
3. 3,623 views
The boiling point of an aqueous solution is elevated by 0.15 degrees celcius. the change in freezing point of the solution,
1. 1 answer
2. asked by Emily
3. 479 views
write the correct formula for the compound listed below:1. Silver Oxide my answer: AgIIO correct?
1. 3 answers
2. asked by Kyle
3. 664 views
the Christmas song the twelve days of Christmas how many total gifts were received
1. 4 answers
2. asked by tryston
3. 406 views
simplify (5x-4)^2I got 25x^2 -16 is that right?
1. 4 answers
2. asked by sara
3. 468 views
How do you think a Puritan writer such as Anne bradstreet might have responded to the ideas presented in a psalm of life
1. 1 answer
2. asked by Jo
3. 728 views
Can you please check these sentences for me, please?Thank you very much. 1) Jason and Mark came quietly into the café. They
1. 2 answers
2. asked by Franco
3. 595 views
Rewrite the division as a multiplier14/-72
1. 1 answer
2. asked by johnny
3. 343 views
Write as a reduced fraction.10 1/8% not sre how to work this one please help. 4/5 81/100 1/10 81/800
1. 6 answers
2. asked by lisa
3. 410 views
I forgot to include the following statements I'm not sure of. Thank you very much for your help.1) For lunch I usually have
1. 1 answer
2. asked by Franco
3. 562 views
Simplify: (3x^0 y^-4)(2x^2 y)^3I got 24x^6 / y am I right?
1. 1 answer
2. asked by sara
3. 348 views
I had asked a question earlier and bob pursley nicely answered it but I do have a question concerning it still- perhaps someone
1. 2 answers
2. asked by Anna
3. 1,018 views
rewrite the division as a multiplication14/-72
1. 1 answer
2. asked by johnny
3. 491 views
If a clock says 10:30 am and the second hand rotates 960 degrees what time would it be?
1. 1 answer
2. asked by Lois
3. 458 views
Please help with estimate and calculate quotients. I do not understand what magnitude estimate is and to circle a box between
1. 6 answers
2. asked by kevin
3. 712 views
I need to convert recipes. got the basis of it.. 32portions,4oz, 1 gallon to48 portions, 5 oz 224 portions, 4 oz 512 portions, 3
1. 1 answer
2. asked by Le
3. 493 views
Why is the linearization of any natural log function always going to be x?
1. 0 answers
2. asked by Julianne
3. 402 views
A space probe is 7.62 x 10 to the 7th power kilometers from the surface of the planet Mars. If the space probe is traveling
1. 2 answers
2. asked by Amber
3. 348 views
the sum of two decimal numbers is 3.9. their difference is 0.9, and their poduct is 3.6 what are these two numbers?
1. 1 answer
2. asked by kate
3. 425 views
A container is filled to a depth of 15.0 cm with water. On top of the water floats a 27.0 cm thick layer of oil with specific
1. 1 answer
2. asked by kate
3. 1,688 views
600 mL of an unknown monoprotic acid was titrated with a standard solution of a 1.0 M base. If it took 40.0 mL of the base to
1. 1 answer
2. asked by ana
3. 525 views
If a weak acid has a dissociation constant of 6.4 x 10^-6, what is the pH of a solution of this acid in a 0.10 molar
1. 6 answers
2. asked by Maddy
3. 705 views
16 divided by 1/3
1. 1 answer
2. asked by sam
3. 273 views
Posted by Jenni on Monday, December 13, 2010 at 3:32pm.Determine the molarity of nitrate ions in a solution prepared by mixing
1. 2 answers
2. asked by Jenni
3. 686 views
5)As the traffic light becomes green, a car starts to travels with an acceleration of 2.5 m/s2. Calculate the velocity of this
1. 2 answers
2. asked by faisal
3. 507 views
how many grams of sodium carbonate are needed to prepare 0.250 L of an 0.100 M aqueous solution of sodium ions?well normally you
1. 2 answers
2. asked by STACY
3. 1,175 views
For a scene in a movie, a stunt driver drives a 1.40x10^3 kg pickup truck with a length of 4.53 m around a circular curve with a
1. 0 answers
2. asked by Anonymous
3. 549 views
6)Adam is running at an average velocity of 6 Km/h. How many meters would Omar run after 15 minutes?
1. 1 answer
2. asked by faisal
3. 360 views
7)A bus leaves Dubai at 10 am heading towards Abu Dhabi. The bus is moving at an average velocity of 120 Km/h. At what time is
1. 1 answer
2. asked by faisal
3. 545 views
8)A car is traveling at a velocity of 120 Km/h stops at a traffic light after 2 minutes. Calculate its acceleration in Km/min2
1. 1 answer
2. asked by faisal
3. 353 views
i need to know how to solve thisshark's teeth are shaped like triangles . the height of a tooth of a certain shark is 2cm longer
1. 1 answer
2. asked by bill
3. 552 views
Find all real zeros of the polynomial f(x)= x^4 -130x^2+3969 and determine the mutiplicity of each.
1. 2 answers
2. asked by barb
3. 398 views
How many moles of antifreeze (a molecular substance) must be added per liter of water to protect the cooling system of a motocar
1. 1 answer
2. asked by jessi
3. 537 views
sin y = x^2 = y in an open interval 0¡Ü x ¡Ü 2¦Ð find dy/dx
1. 0 answers
2. asked by Al
3. 327 views
How would the triangle look if angle Q is congruent to angle T and line segment PQ is congruent to line segment ST?
1. 0 answers
2. asked by Anonymous
3. 501 views
a 6.54 g sample consisting of a mixture of silver nitrate and sodium nitrate is dissolved in water. this mixture then reacts
1. 2 answers
2. asked by christine
3. 2,545 views
Posted by STACY on Monday, December 13, 2010 at 7:56pm.Consider an aqueous solution prepared from 250.0 mL of water and 1.27 g
1. 2 answers
2. asked by STACY
3. 877 views
Bill Ding plans to build a new hardware store. He buys a rectangular lot that is 50 ft by 200 ft, the 50-foot dimension being
1. 1 answer
2. asked by Murali
3. 976 views
If 150 g of water are heated from 20.ºC to 30. ºC,the nunber of joules of heat energy absored is
1. 1 answer
2. asked by parveen
3. 1,802 views
3 1/3 + 1 2/3
1. 0 answers
2. asked by jessica
3. 224 views
Lily went for 8 rides at the county fair. Some rides were on the merry-go-round, and the rest were on the pirate ship. The total
1. 1 answer
2. asked by Evelyn
3. 605 views
I need some help I have to Select one problem from the self-practice exercises and teach the solution to your classmate as if
1. 0 answers
2. asked by Rena
3. 552 views
What would be the central angle of 25?
1. 0 answers
2. asked by Bee
3. 309 views
Balance the reaction below in acidic conditions: IO3- + I- --> I2What volume of 0.352 M HCl is needed to produce 2.48x10-3 moles
1. 1 answer
2. asked by Sarah
3. 1,635 views
3 7/10 + 2 9/10
1. 3 answers
2. asked by jessica
3. 246 views
compare and islam and christianity using relation of the state and role of women
1. 1 answer
2. asked by alecia
3. 326 views
5= D+8Solve
1. 1 answer
2. asked by joe
3. 277 views
Heather and Mathew walked eastward with a speed of 9.8 m/s. If it takes them 34 min. to walk to the store, how far have they
1. 3 answers
2. asked by ffdas
3. 508 views
I'm confused..What is the significance of a 1-1 line in regards to density?
1. 0 answers
2. asked by Lisa
3. 329 views
when you multoply a positive number by a negative exponent would the answer be positive or negative
1. 1 answer
2. asked by jhoin
3. 495 views
how would I make the following words into sentences in Spanish?1.yo/un estudiante/inteligente/ser 2.intelligente/ tu/ser (the tu
1. 1 answer
2. asked by Julianne
3. 496 views
Two runners jog around an oval path at constant rates, but in opposite directions. One runner completes a lap every 10 minutes,
1. 0 answers
2. asked by Shane
3. 497 views
Six people are going to be seated in a row of 8 chairs. How many different ways may they be seated?
1. 1 answer
2. asked by Shane
3. 717 views
9+n=-2solve
1. 1 answer
2. asked by joe
3. 278 views
Write the product 35/14x3/125 in scientific notation.
1. 0 answers
2. asked by Shane
3. 409 views
The faces on a regular octahedral die are numbered one through eight. What is the probability of rolling 3 sixes in succession?
1. 1 answer
2. asked by Ann
3. 689 views
I believe I have the answers already. Just need confirmation please!Solve the following system of equations. x + 2y = 5 x = 2 -
1. 3 answers
2. asked by Amy
3. 485 views
Indicate whether the given statement could apply to a data set consisting of 1,000 values that are all different.a. The 29th
1. 0 answers
2. asked by Sabrina
3. 494 views
. For the following exercise, complete the following:a. Find the mean, median, and range for each of the two data sets. b. Find
1. 2 answers
2. asked by Sabrina
3. 771 views
how do you determine whether a substance is ionic or molecular
1. 1 answer
2. asked by Steve
3. 371 views
estimate the freezing point of an aqueous of 10.0 g of glucose dissolved in 500.0 g of water
1. 1 answer
2. asked by Gabrielle
3. 673 views
Find the volume of the solid obtained by rotating the region bounded by the curves y=x^6, y=1 about the line y=4
1. 0 answers
2. asked by Anonymous
3. 1,176 views
Can anyone help explain this?when the course of human events it becomes necessary for one people to dissolve the political bands
1. 4 answers
2. asked by Courtney
3. 695 views
what distinguishes ionic from moolecular or atomic solids
1. 1 answer
2. asked by Lori
3. 382 views
what are some examples of law of multiple proportion
1. 1 answer
2. asked by Cassie
3. 385 views
Consider two vectors where F1 = 40 N, F2 = 57 N, and \theta _{1} = 240o and \theta _{2} = 25o, measured from the positive x-axis
1. 2 answers
2. asked by Jordan
3. 445 views

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