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2011
October

Questions Asked on October 3, 2011

A ball is thrown straight down from the top of a 220-foot building with an initial velocity of -22 feet per second. What is its
1. 6 answers
2. asked by Susana
3. 21,924 views
Tight junctions prevent the movement of the extracellular matrix between cells.A) True B) False Which one is it please :)
1. 0 answers
2. asked by Joe
3. 370 views
CASHEWS $8.00 PER KILOGRAM AND PECANS $9.00 PER KILOGRAM, HOW MANY KILOGRAMS OF EACH TO MAKE 10 KILOGRAMS THAT COST $8.40
1. 1 answer
2. asked by cathy
3. 947 views
(3x-14)degrees (70)degrees
1. 1 answer
2. asked by Mike
3. 747 views
A block is dropped onto a spring with k = 27 N/m. The block has a speed of 3.2 m/s just before it strikes the spring. If the
1. 0 answers
2. asked by james
3. 980 views
If the average rate of change of g(x) from x = 1 to x = 5 is 17.5, and if the average rate of change of g(x) from x = 5 to x =
1. 1 answer
2. asked by Brianna
3. 301 views
Ok so I'm join this contest at my school (long story but read that directions below)7th Graders Against 8th Graders "The more
1. 3 answers
2. asked by Laruen
3. 1,074 views
what is vigilantism and how and when does it arise?(political philosophy)
1. 0 answers
2. asked by TRACEY
3. 1,030 views
what does the word class means to you? Why or why not?
1. 2 answers
2. asked by jessica
3. 465 views
1. The cost, in millions of dollars, to remove x % of pollution in a lake modeled by
1. 1 answer
2. asked by nikki
3. 1,062 views
Given the general equation: 3x +4y <-> 2x, kc= 4.5 E-5a. What is the kp? b. What does Kc equal for 2xy <-> 3x + 4y? c. What does
1. 0 answers
2. asked by Anonymous
3. 327 views
Identify four cultural/racial groups who were not popular choices for coming to Canada.With each group identify four ways in
1. 0 answers
2. asked by Anonymous
3. 819 views
If C(s) + CO2(g) <-> CO(g), when equilibrium is established at 1000K, the total pressure in the system is 4.70 atm.A. If kp=
1. 0 answers
2. asked by Anonymous
3. 503 views
At 906 K, 3.60 mol of ammonia gas is placed into 2.00 L vessel and allowed to decompose to the elements nitrogen and hydrogen.
1. 0 answers
2. asked by Anonymous
3. 434 views
calculate the acceleration if you push with a 20n horizontal force on a 3 kg block on a horizontal friction-free air table
1. 1 answer
2. asked by Anonymous
3. 1,050 views
A fireman d = 39.0 m away from a burning building directs a stream of water from a ground-level fire hose at an angle of èi =
1. 0 answers
2. asked by austin
3. 667 views
Describe the situation of women in Canada, in the years before world war I.They had very few rights. Their husbands controlled
1. 0 answers
2. asked by Anonymous
3. 683 views
please help classify each word in this sentence:Several children played on the swings during recess.
1. 5 answers
2. asked by jen
3. 442 views
What did Sir Humphry Davy do with the battery he built? I've looked online and haven't been able to find anything. Please help
1. 1 answer
2. asked by Sammy
3. 363 views
How does the resultant of two vectors change as the angle between the two vectors increase?
1. 0 answers
2. asked by Lala
3. 381 views
Which of the following would be classified as an informative or positive message?a) A request for information b) An announcement
1. 3 answers
2. asked by Diana
3. 1,605 views
ex: Find the indicated derivative using implicit differentiation.e^x/y^2= 8 + e^y; dy/dx Please I need help and thank you very
1. 1 answer
2. asked by Ed
3. 485 views
3/4-1/3z=1/45/6c-2/3c=1/3 please show step by step Thanks!
1. 2 answers
2. asked by jane
3. 400 views
Assuming that a manger sends 40 SNMP GET commands each second. what percentage of a 100 Mbps LAN link's capacity would resulting
1. 1 answer
2. asked by Mike
3. 406 views
A rectangle is bounded by the x-axis and the semicircle y = √36 – x2, as shown in the figure below. Write the area A of the
1. 1 answer
2. asked by Amanda
3. 8,288 views
how can the equilibrant of two or more concurrent forces be found
1. 1 answer
2. asked by Lala
3. 803 views
If the average rate of change of g(x) from x = 7 to x = 10 is -80, and if g(7) = 400, then find g(10).
1. 3 answers
2. asked by brianna mattson
3. 490 views
10.034 mJ = ______________ cJ
1. 2 answers
2. asked by Kelss
3. 925 views
Find the value of the angle data in degrees rounded to the nearest tenth of a degree.
1. 0 answers
2. asked by susie
3. 672 views
Tight junctions prevent the movement of the extracellular matrix between cells.A) True B) False Which one is it please :)
1. 0 answers
2. asked by Joe
3. 349 views
The following data on the number of iron workers in the United States for the years 1978 through 2008 are provided by the U.S.
1. 0 answers
2. asked by Anonymous
3. 571 views
Which of the following is an ethical system that does not support using the individual as a means to an end?A. Natural law B.
1. 1 answer
2. asked by frankie
3. 507 views
<ABC and <JKL are supplementary angles. m<ABC = 3x + 5 and m<JKL = 7x - 25. Find the measure of each angle.
1. 2 answers
2. asked by anonymous
3. 929 views
A car is traveling at 95km/hr when it collides with a stone wall. The car comes to rest after the first 30 cm of the car is
1. 1 answer
2. asked by Dan
3. 459 views
the height of a triangle is 10m longer than twice its base. its area is 176m^2. Find the lengths of its height and base.
1. 1 answer
2. asked by michael
3. 659 views
The attendance at a baseball game was 400 people. Student tickets cost$2 and adult tickets cost$3. Total ticket sales were
1. 1 answer
2. asked by jim
3. 725 views
The following data on the number of iron workers in the United States for the years 1978 through 2008 are provided by the U.S.
1. 0 answers
2. asked by Anonymous
3. 493 views
write the equation for the reaction of fecl2 with k3[fe(cn)6]???
1. 1 answer
2. asked by david
3. 2,089 views
Why can't humans drink salt water for hydration?
1. 0 answers
2. asked by Nicole
3. 509 views
can you help me classify this sentence:The two blue birds trill merrily each morning. What would (each morning) be?
1. 1 answer
2. asked by jen
3. 454 views
Consider a particle undergoing positive acceleration. (1) what is the shape of the position-time graph? (2) How do we determine
1. 1 answer
2. asked by Nick
3. 594 views
A bag contains two blue, three purple, four yellow, two red, three green and one orange marbles.What is the conditional
1. 1 answer
2. asked by Jessica
3. 514 views
A bag contains two blue, three purple, four yellow, two red, three green and one orange marbles.What is the conditional
1. 0 answers
2. asked by Jessica
3. 490 views
A train has a mass of 5.22 multiplied by 106 kg and is moving at 70.0 km/h. The engineer applies the brakes, which results in a
1. 1 answer
2. asked by Seth
3. 1,162 views
A satellite moves in a circular orbit about our earth exactly four times a day. Find its orbit, radius , speed and weight.
1. 2 answers
2. asked by Aaron
3. 682 views
A military gun is mounted on a railroad car (m = 1590 kg) as shown in Figure P7.34. There is no frictional force on the car, the
1. 1 answer
2. asked by megan
3. 765 views
why is a water molecule is much more likely to give up a proton than a methane molecule
1. 0 answers
2. asked by Cynthia
3. 807 views
Calculate the pH at the point in the titration of 25.00 mL 0.108 M HNO2 at which 10.00 mL 0.162 M NaOH have been added. For
1. 3 answers
2. asked by Holly
3. 899 views
A chair with a mass of 30.0kg is shot with a 10g bullet traveling at a speed of 250m/s. The bullet goes 6cm into the chair. The
1. 0 answers
2. asked by Phil
3. 1,007 views
Write one topic sentence for your Week Nine essay and explain the primary role of a topic sentence in an effective essay?My
1. 5 answers
2. asked by Samantha
3. 705 views
a body starts from rest and acquire avelosity V in time T. The instantaneous power developed to the body is proportionalto
1. 0 answers
2. asked by pradhan
3. 730 views
A box of books weighing 290 N is shoved across the floor of an apartment by a force of 400 N exerted downward at an angle of
1. 1 answer
2. asked by Seth
3. 596 views
What fuel other than uranuin can be used in a nuclear reactor?
1. 0 answers
2. asked by Martin
3. 715 views
a 10kg wood ball hangs from a 1.1 m long wire. The maximum tension the wire can withstand without breaking is 600N. a .9 kg
1. 1 answer
2. asked by Sandra
3. 1,392 views
a sample of carbon dioxide gas has a mass of 52.0g. how many oxygen atoms arr present?explain
1. 1 answer
2. asked by anu
3. 613 views
3/4-1/3z=1/45/6c-2/3c=1/3 please show step by step Thanks! I now the ans for the first one is 3/2 but how did you work it out?
1. 1 answer
2. asked by jim
3. 418 views
Ernesto makes a snack mix. For every cup of raisins he adds 2 cups of peanuts and 3 of pretzels. What fractional part is
1. 1 answer
2. asked by raquel
3. 876 views
Which of the following will help you produce clear and focused writing?A.Brainstorming before writing. B.A rubric that provides
1. 3 answers
2. asked by ciara
3. 532 views
Alpha particle tracks through gases and thin metal foils show few deflections. What does this tell us about the atom?
1. 1 answer
2. asked by Martin
3. 1,907 views
Two objects attract each other gravitationally with a force of 2.9 10-10 N when they are 0.29 m apart. Their total mass is 4.0
1. 0 answers
2. asked by Ellen
3. 934 views
how to solve 3x^2+4x-2=0 (mod 5)
1. 0 answers
2. asked by phlicia
3. 417 views
Why does an anisotropic shaft split axially under excessive torque?
1. 1 answer
2. asked by Arnold
3. 754 views
a sample of carbon dioxide gas has a mass of 52.0g. how many oxygen atoms arr present?explainplease don't skip
1. 1 answer
2. asked by anu
3. 1,468 views
A motorist traveling at 15 m/s encounters adeer in the road 39 m ahead. If the maximum acceleration the vehicle’s brakes are
1. 0 answers
2. asked by John
3. 780 views
How does the wax burn without touching the flames in a candle?
1. 0 answers
2. asked by Skylar
3. 387 views
why is it wrong to think of a scientific law as a universal statement of truth?
1. 1 answer
2. asked by Rebecca
3. 424 views
How did the British mercantlism prevent the economic development of the colonies?A.) The colonies were process to export their
1. 1 answer
2. asked by Please help
3. 1,428 views
How does Shakespeare work loyalty and betrayal into the play King Lear.Context of order vs. chaos?
1. 0 answers
2. asked by Alexis
3. 377 views
Assume that a>0. Evaluate the integral from 0 to a of x dx by approximating the region bounded by y=x and the x-axis from 0 to a
1. 0 answers
2. asked by Erica
3. 428 views
Find the value of a≥0 that maximizes the integral from 0 to a of (4-x²)dx.Thank you!
1. 1 answer
2. asked by Shelby
3. 383 views
After two months of following her budget, lisa finds that her food bills are much higher then she expected. Select her best
1. 2 answers
2. asked by ciara
3. 533 views
A solution of 114 mL of 0.190 molecules KOH is mixed with a solution of 200 mL of 0.220 molecules NiSO4.a. write a balanced
1. 1 answer
2. asked by susie
3. 541 views
optimize f(x,y)=(x^4 y^4) subject to 4x^2 9y^2=36
1. 0 answers
2. asked by divine
3. 336 views
how many grams of CaO can form if 82.o g of CaCO3 decomposed
1. 1 answer
2. asked by avm
3. 394 views
What do you need to know in order to calculate the mass of a planet from observations of a satellite in orbit around that
1. 2 answers
2. asked by Frances
3. 1,051 views
i tried these quesions so many times , but i just cant get he right answer !1.) 4(2-a)^2-81 2.) -(x-y)^3 3.)3x^2-27(2-x)^2 4.)
1. 1 answer
2. asked by Melissa
3. 345 views
Which one of the following statements best describes a budget "blind spot"?A : To little oney was set aside to cover an expense
1. 0 answers
2. asked by ciara
3. 506 views
A certain infant analgesic medicine has a single dose of 36.0 mg/kg of body weight. How much analgesic will be administered in a
1. 1 answer
2. asked by hope
3. 819 views
So I think I just might be over thinking these run-on sentences, but I keep second guessing myself and need some help with these
1. 2 answers
2. asked by Anthony.
3. 2,961 views
does the wick burn or the wax burn in a candle?
1. 1 answer
2. asked by Skylar
3. 454 views
A puck of mass m = 1.10 kg slides in a circle of radius r = 24.0 cm on a frictionless table while attached to a hanging cylinder
1. 0 answers
2. asked by Julie
3. 488 views
Use Leibniz's rule to find dy/dx.**Leibniz's rule: If g(x) and h(x) are differentiable functions and f(u) is continuous for u
1. 1 answer
2. asked by Shelby
3. 607 views
what maximum height will a 311.2 m drive reach if it is launched at an angle of 17.0 degrees to the ground
1. 0 answers
2. asked by Nick
3. 716 views
Jupiter is farther from the sun than is the Earth. In the course of several earth years what phases would you expect jupiter to
1. 1 answer
2. asked by Regina
3. 481 views
how many carbon-hydrogen bonds does ethane have?how many carbon-carbon bonds does ethane have? is it 6 for the 1st and 1 for the
1. 1 answer
2. asked by alexis
3. 1,035 views
Find the coordinates of any vertices formed. 3x + 4y ≥ 12, 5x + 6y ≤ 30, and 1 ≤ x ≤ 3.I tried graphing this, which
1. 2 answers
2. asked by Peter
3. 507 views
What type of chemical reaction is involved in the breakdown of large molecules, such as those found in food,into smaller
1. 1 answer
2. asked by jess
3. 458 views
A solution of HCL (.1053 M) is added to a solution of NaOH (50.0 mL) It takes 28.31 mL if the acid to neutralize the base
1. 2 answers
2. asked by Nola
3. 432 views
Suppose the Sun were twice as massive as it actually is. What would be the orbital period of a planet at a distance of 10AU from
1. 1 answer
2. asked by SW
3. 482 views
John's father is thrice as old as John. 6 years from now, his father will be 24 years older than John. How old is John now?
1. 2 answers
2. asked by Anonymous
3. 485 views
In an historical movie, two knights on horseback start from rest 72.6 m apart and ride directly toward each other to do battle.
1. 1 answer
2. asked by randy
3. 458 views
An automobile starts from rest and accelerates to a final velocity in two stages along a straight road. Each stage occupies the
1. 1 answer
2. asked by randy
3. 637 views
Can you please check for any errors. And corrent the errors for me. It is due tomorrow morning. Also, let me know if you think
1. 2 answers
2. asked by Angela
3. 523 views
1-cos/1+cos= 2(cosec-cot)
1. 2 answers
2. asked by Aqib
3. 385 views
Ashton broke apart a number into 30 + 7. What number did he start with?
1. 2 answers
2. asked by kate
3. 616 views
in a local diner a customer slides an empty coffee cup down the counter for a refill. the cup slides off the counter and strikes
1. 1 answer
2. asked by john
3. 1,479 views
A rocket is launched straight up with a constant acceleration. Three seconds after lift off, a small part of the rocket falls
1. 1 answer
2. asked by anonymous
3. 526 views
Solve using linear combinations.x - 5y = 6 3x + 4y = 18 What are linear combinations?
1. 1 answer
2. asked by Peter
3. 1,044 views
1.) 4(2-a)^2-812.) -(x-y)^3 3.)3x^2-27(2-x)^2 4.) 9(y-1)^2-25
1. 1 answer
2. asked by Heather
3. 238 views
9x+6-4x=8---------- 2
1. 3 answers
2. asked by kelly
3. 257 views

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