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2012
February

Questions Asked on February 10, 2012

During a football match, the ball shot towards the goal struck the defender's foot at the speed of 10m/s and it bounced back at
1. 1 answer
2. asked by Kushagra
3. 1,742 views
Could you please check this sentence?As I haven't heard from you, I'll email the module, you sent to me this morning, to my
1. 1 answer
2. asked by Henry2
3. 423 views
If A + B + C = 180°, Prove thatCos²A + Cos²B + Cos²C = 1-2cosAcosBcosC
1. 2 answers
2. asked by Kewal
3. 10,679 views
If A + B + C = 180°, Prove thatCos²A + Cos²B - Cos²C = 1 – 2sinAsinBcosC
1. 1 answer
2. asked by Kewal
3. 667 views
If A + B + C = 180°, Prove thatSin² (A/2) + sin² (B/2) + sin²(C/2) = 1 – 2sin (A/2) sin (B/2) sin(C/2)
1. 0 answers
2. asked by Kewal
3. 472 views
If A + B + C = 180°, Prove thatSin² (A/2) + sin² (B/2) - sin²(C/2) = 1 – 2cos (A/2) cos (B/2) sin(C/2)
1. 0 answers
2. asked by Kewal
3. 565 views
2C6H6(l) + 15O2(g) -> 12CO2(g) + 6H2O(l) + 6542 kJIf the heat from burning 7.000 g of C6H6 is added to 5691 g of water at 21
1. 3 answers
2. asked by David
3. 1,102 views
using this information: if an object is thrown straight up into the air from the height H feet per second then at time tseconds
1. 0 answers
2. asked by deana
3. 1,123 views
Consider an ideal gas encloesd in a 1.00 L container at an internal pressure of 10.0 atm. Calculate the work, w, if the gas
1. 6 answers
2. asked by Lauren
3. 18,710 views
A rock of mass 32 kg accidentally breaks loose from the edge of a cliff and falls straight down. The magnitude of the air
1. 1 answer
2. asked by cody
3. 1,164 views
A student wrote – 3 > x > 5 as the inequality that represents the real numbers less than – 3 or greater than 5. Explain why
1. 2 answers
2. asked by lucy
3. 434 views
A bowling ball (mass = 7.2 kg, radius = 0.12 m) and a billiard ball (mass = 0.31 kg, radius = 0.028 m) may each be treated as
1. 3 answers
2. asked by cody
3. 4,383 views
116 g of isopropanol, formula C3H8O, contains how many moles?
1. 1 answer
2. asked by Brianna Bernard
3. 854 views
Cut a piece of paper to form a triangle shape. Tear off the three corners of the triangle. Then put the three corners together.
1. 0 answers
2. asked by lucy
3. 483 views
The apothem of a regular polygon is the distance from the center of the polygon to a side. Explain how to derive a formula for
1. 1 answer
2. asked by lucy
3. 673 views
Explain how you find ordered-pair solutions of the equation 3x – 5y = 15, and then find two such solutions.
1. 0 answers
2. asked by lucy
3. 550 views
SAT I scores around the nation tend to have a mean scale score around 500, a standard deviation of about 100 points, and are
1. 1 answer
2. asked by babyfly04
3. 743 views
When a certain amount of MgF2 is added to water, the freezing point lowers by 3.5 oC. What was the molality of the magnesium
1. 1 answer
2. asked by lw
3. 2,302 views
Let f(x) be the function 1/x+5. Then the quotientf(6+h)−f(6)/h can be simplified to −1/ah+b for: a= 11 b= I did all the work
1. 2 answers
2. asked by cassie
3. 791 views
SUPPOSE .1g OF A AND 1.0ml WATER WERE MIXED AND HEATED TO 80 DEGREE CELCEOUS.WOULD ALL THE SOLID DISOLVED.AND IF THE SOLUTION IS
1. 1 answer
2. asked by SAMIRA
3. 673 views
WHAT ARE THE DEFINITION OF DRYING AGENT;DELIQUSCENT SUBSTANCES;HYGROSCOPIC SUBSTANCES;EFFLORESCENT SUBSTANCES.
1. 1 answer
2. asked by SAMIRA
3. 592 views
The Oliver Company plans to market a new product. Based on its market studies, Oliver estimates that it can sell up to 2,000
1. 0 answers
2. asked by Jamie
3. 588 views
what is the concentration of hcl when 55 ml of this hcl solution neutralize 15ml of .9m ca(oh)2
1. 1 answer
2. asked by Faith
3. 431 views
Find c>0 such that the area of the region enclosed by the parabolas y=x^2−c^2 and y=c^2−x^2 is 90.
1. 1 answer
2. asked by Rebecca
3. 1,158 views
NAME THE PROCESSES OR TECHNIQUES IN THE FOLLOWING. 1.SEPARATION OF A SOLID FROM A SOLUTION 2.WHEN WATER IS COLD TO FORM ICE
1. 2 answers
2. asked by SAMIRA
3. 609 views
An object on earth weighs 6 times what it would weigh on the moon. An object weighs 72 pounds on earth. Write multiplication
1. 1 answer
2. asked by Anonymous
3. 709 views
What does it mean when they say that action equals reaction?
1. 2 answers
2. asked by elise
3. 411 views
A researcher studying the nutritional value of a new candy places a 4.90 gram sample of the candy inside a bomb calorimeter and
1. 5 answers
2. asked by Carey
3. 6,618 views
For each of the following statements, identify the type of market it describes. Use an example from the readings or the internet
1. 0 answers
2. asked by natalee
3. 419 views
Writeacher, I wanted to thank you for all what you have done for me and for my professional growth.We have worked really hard on
1. 3 answers
2. asked by Henry2
3. 695 views
Dots are arranged to form pattern as show below: pattern 1 they are 2 pattern 2 they are 5 pattern 3 (a) how many dots are in
1. 1 answer
2. asked by Vuyo
3. 556 views
The plane is at least 500 miles closer to chicago than to denver
1. 1 answer
2. asked by jack
3. 445 views
What probability value should be used for determining whether the modified process results in a defect rate that is less than
1. 0 answers
2. asked by Josh
3. 423 views
the bases of a trapezoid are 22 and 12 respectively. The angles at the extremities of one base are 65 degree and 40 degree
1. 5 answers
2. asked by joe
3. 15,956 views
Molar volume of an ideal gas at S.A.T.P. (25oC and 1.00 bar is 24.8 dm3 mol-1. Assume that gases are at 225oC and P=1.00
1. 1 answer
2. asked by JRMM
3. 675 views
1. The appearance of a document can do all of the following EXCEPT: a.establish rapport with the audience.b. guide your readers'
1. 5 answers
2. asked by sososola2012
3. 792 views
divide eight pounds of sand into twelve equal containers. how much in each container?
1. 1 answer
2. asked by chris
3. 328 views
I need help. I cannot figure out the anologies. They are...Colloquy:Loquacious:: Somnambulism:ambulatory Plateau: flat
1. 2 answers
2. asked by Kelli
3. 438 views
Find c>0 such that the area of the region enclosed by the parabolas y=x^2−c^2 and y=c^2−x^2 is 90.
1. 1 answer
2. asked by Rebecca
3. 842 views
According to Peter Saundry, there is no true universal code of ethics because standards of conduct vary from place-to-place and
1. 2 answers
2. asked by Anonymous
3. 1,097 views
how many seconds would it take to go from 0mi/h to 60 mi/h with an average acceleration of 15mi/h squared
1. 1 answer
2. asked by lexus
3. 347 views
A conducting spherical shell with a total charge of +12.6 micro-coulombs has a point charge of -3.6 micro-coulombs placed at its
1. 0 answers
2. asked by Mandaleigh
3. 1,344 views
A circle with a radius of R is inscribed in a square. On the corner of the square are point charges of +q, +q, -q, and +q. On
1. 0 answers
2. asked by Mandaleigh
3. 643 views
A point charge of +4.6 micro-coulombs lies at x = 0 and a point charge of -7.3 micro-coulombs lies at x = +3.3 m. Where on the x
1. 1 answer
2. asked by Mandaleigh
3. 749 views
A point charge of +10 micro-coulombs lies at x = -0.39 m, y = 0 m, a point charge of -5.7 micro-coulombs lies at x = +0.39 m, y
1. 0 answers
2. asked by Mandaleigh
3. 771 views
how can i make the target number 670,just by using the following digits. 6,9,6,5,9,50
1. 0 answers
2. asked by maria
3. 291 views
An infinite sheet with a negative surface charge density runs parallel to the x axis. Another infinite sheet with an equal but
1. 0 answers
2. asked by Mandaleigh
3. 555 views
An infinite sheet with a surface charge density of -2.1 micro-coulombs/m2 runs parallel to the x axis. Another infinite sheet a
1. 0 answers
2. asked by Mandaleigh
3. 940 views
What are the three factors on which thermal energy depends?
1. 3 answers
2. asked by SMK
3. 773 views
Betty Bodycheck (mB = 50 kg, vB = 22.0 km/h in the positive x-direction) and Sally Slasher (mS = 45.2 kg, vS = 28.0 km/h in the
1. 3 answers
2. asked by sara
3. 518 views
A 210W heater is placed in 2KG of water. What temperature rise is produced if the heater is switched on for 200 seconds?
1. 3 answers
2. asked by SMK
3. 1,603 views
A silver wire and a platinum wire of the same length have the same resistance. What is the ratio of the diameter of the silver
1. 0 answers
2. asked by jason
3. 1,133 views
An aluminum wire of diameter 2.47 mm carries a current of 12.9 A. How long on average does it take an electron to move 10.5 m
1. 1 answer
2. asked by jason
3. 677 views
Find the maximum height reached by a ball thrown upward at a velocity of 95ft/s
1. 1 answer
2. asked by ####tasha####
3. 958 views
Write net ionic equation for the reaction between nitric acid and calcium hydroxide.
1. 1 answer
2. asked by ivy
3. 777 views
A box slides down a 37° ramp with an acceleration of 1.24 m/s2. Determine the coefficient of kinetic friction between the box
1. 1 answer
2. asked by joana
3. 1,121 views
Marion needs to believe in a ____ ?
1. 2 answers
2. asked by Oi
3. 349 views
Suppose MgSe(a=545 pm) and SrSe (a=623 pm) both crystallize with a NaCl (rock salt) structure. Calculate the ionic radius of
1. 0 answers
2. asked by Lindsey
3. 593 views
Unscramble the letters: N A N Qu I I R A B I N S O U I O TO MAKE THE BIGGEST WORD
1. 0 answers
2. asked by KELSI
3. 574 views
Please paraphrase the phrase into a bit simpler Englishinvolving arrested development of engorged stages or of eggs.
1. 1 answer
2. asked by Mark
3. 400 views
As a consumer of mental health services, which type of therapy would you prefer if you did not like to talk about your problems?
1. 1 answer
2. asked by John P
3. 411 views
Two boxes (b1 = 23 kg and b2 = 57 kg) are being pushed across a horizontal frictionless surface, as the drawing shows. The 48-N
1. 1 answer
2. asked by cody
3. 1,372 views
a vertical translation of f(x)=e^x changes its asymptote?Sometimes, always or never??
1. 2 answers
2. asked by beyonce knowles
3. 1,101 views
using this information: if an object is thrown straight up into the air from the height H feet per second then at time tseconds
1. 1 answer
2. asked by deana
3. 757 views
The flywheel of a steam engine begins to rotate from rest with a constant angular acceleration of 1.41 rad/s2. It accelerates
1. 2 answers
2. asked by qwertzuiop
3. 640 views
Suppose you have a supply of the following metals: Fe, Ni,Sc, Cr, Au, K. Which of there could be mixed to make substitutional
1. 0 answers
2. asked by Lindsey
3. 592 views
What is the state of the function f at x = 2?F(x) = [x^3 for x < 2; 5x - 2 for x > or = to 2] ?continuous or differentiable both
1. 1 answer
2. asked by Scooby10
3. 431 views
100 lb of loose gravel can fill a 1-ft^3 box. Its specific gravity is 2.68. What is the dry rodded weight? Find the volume of
1. 1 answer
2. asked by GSU
3. 739 views
Last year Jim's gross weekly pay was $920 and he received $520 in bank interest. HIs taxation deductions totalled $1370.a)
1. 0 answers
2. asked by CrissyXD
3. 481 views
In a right triangle ABC, C = 90°, b = 380.1 inches and c = 589.1 inches. Solve for all the missing parts using the given
1. 1 answer
2. asked by Anonymous
3. 409 views
I left out the last interview. I need to summarize the interview in a few sentences rephrasing the colloquial expressions I'm
1. 1 answer
2. asked by Henry2
3. 516 views
At constant pressure, which of these systems do work on the surroundings? Check all that apply.2A (g) + B(s) --> 3C(g) 2A (g)
1. 7 answers
2. asked by Akle
3. 15,049 views
In a constant-pressure calorimeter, 60.0 mL of 0.340 M Ba(OH)2 was added to 60.0 mL of 0.680 M HCl. The reaction caused the
1. 5 answers
2. asked by Akle
3. 776 views
If the heat from burning 5.800 g of C6H6 is added to 5691 g of water at 21 °C, what is the final temperature of the water?2C6H6
1. 2 answers
2. asked by Akle
3. 647 views
samuel is 5/8 inch taller than jackie. shelley is o.7 inch taller than jackie. craig is inch taller than jackie. who is taller?
1. 2 answers
2. asked by colby
3. 909 views
If the heat from burning 5.800 g of C6H6 is added to 5691 g of water at 21 °C, what is the final temperature of the water?2C6H6
1. 13 answers
2. asked by Jen
3. 2,197 views
At constant pressure, which of these systems do work on the surroundings? Check all that apply.2A (g) + B(s) --> 3C(g) 2A (g)
1. 3 answers
2. asked by Allie
3. 765 views
why is it important that the sport industry and the tourism industry have a good relationship?And what is the relationship
1. 2 answers
2. asked by Jenny
3. 439 views
What is the antiderivative of?(x^2 - 4) / (x - 2)
1. 2 answers
2. asked by Mishaka
3. 695 views
We are currently studying "earning money" for math. I read this sentence:When a store claculates its profit as a percentage of
1. 1 answer
2. asked by Jason
3. 1,090 views
If water is synthesized how much hydrogen would be needed to make 10.0 grams?
1. 1 answer
2. asked by Cathy
3. 365 views
This week’s focus is on systems of equations. Describe a profession that might use this on a regular basis, and give an
1. 2 answers
2. asked by Leo
3. 467 views
A rocket of mass 4.5 e5 kg is in flight. Its thrust is directed at an angle of 58.5° above the horizontal and has a magnitude
1. 1 answer
2. asked by Joe
3. 424 views
7809.5 cm3
1. 1 answer
2. asked by MOHIT
3. 282 views
The density of ice is 0.92 g cm-3 & that of sea water is 1.025 g cm-3.Find total volume of an iceberg which floats with its
1. 1 answer
2. asked by MOHIT
3. 1,117 views
What would the equation be for this problem: A bicyclist accelerates at 0.89 m/s/s during a 5 s interval. What is the change in
1. 1 answer
2. asked by Alyonka
3. 604 views
The density of ice is 0.92g cm-3 & that of sea water is 1.025g cm-3.Find the total volume of an iceberg which floats with its
1. 1 answer
2. asked by MOHIT
3. 2,928 views
Angle C and Angle D are vertical angles. The conclusion is that angle C and angle D are complementary. Which is a counterexample
1. 1 answer
2. asked by Millie
3. 556 views
Here is interview 4. Could you please help me rephrase it, especially the part with (??) which I can't understand.5)Speaker 4 is
1. 1 answer
2. asked by Henry2
3. 578 views
how much magnetic force does it take to move a 2000lb car?
1. 0 answers
2. asked by Anonymous
3. 308 views
determine the domain of the real valued function f(x) = sqrt(5 - (sqrt5))
1. 1 answer
2. asked by mary
3. 453 views
I need to rephrase (using indirect speech) what 4 people said is important when preparing to go for an interview.Could you
1. 1 answer
2. asked by Henry2
3. 738 views
A wooden cube of side10cm has 700g.What part of it remains above the water surface while floating om water?
1. 1 answer
2. asked by MOHIT
3. 413 views
A rock of mass 44 kg accidentally breaks loose from the edge of a cliff and falls straight down. The magnitude of the air
1. 2 answers
2. asked by Anonymous
3. 995 views
I have a problem with APA formatting and how to citeExample 1 According to McNamara, n.d The Question---my answer Or do I need
1. 1 answer
2. asked by Mary
3. 386 views
A wooden cube of side 10cm has mass 700g.What part of it remains above the water surface while floating?
1. 5 answers
2. asked by Anonymous
3. 3,726 views
The target capital structure for QM industries is 39% common stock, 9% preferred stock and 52% debt. If the cost of common
1. 1 answer
2. asked by shirley
3. 705 views
How do I write a balanced equation for the synthesis of benzoic acid using the grignard reagent.To make the grignard reagent I
1. 1 answer
2. asked by lidia
3. 2,426 views
when does vector (a+b) = (a-b)? explain
1. 0 answers
2. asked by k2k
3. 256 views
a runner who has a mass of 52 g , has a momentum of 218 kg/m/s along a trail. what is the runners velocity?
1. 1 answer
2. asked by ariel
3. 614 views

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