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July 24, 2016

Search: determine the work done (including the algebraic sign).

Number of results: 44,560

Chemistry
Determine the actual yield in grams of CCL4 if 175.0g of Cl2 reacts with meathane. The percentage yield of the reaction is 75.4%
February 28, 2008 by LaNeisha

Econ
What kinds of information would you have needed to try to determine whether a company is a monopoly and why is this information important?
May 23, 2008 by Tiffany

Determining symetry
Determine algebraically whether the graph of the function g is symmetric with respect to the x-axis, y-axis, or origin. g(x)=[(x^2)+(y^2)]^2=2xy
September 9, 2008 by Shannon

math
Hi! I really need help with this question. Please help me. Thanks! If f(x)=6cosx-1, algebraically determine algebraically the x intercepts to the nearest tenth. On the domain x E R.
April 18, 2009 by Katie

trig
determine the solutions for tanxcos^2x-tanx=0 in the interval XE[-2pi,2pi] Ok, please describe the steps to me that you used to solve this! thank you
April 27, 2009 by Anonymous

math - question
help i don't even know were to start with this. Use a Venn diagram to determine whether A ∩ (B U C) 5 (A ∩ B) U C for all sets A, B, and C.
May 12, 2009 by anonymous

math - question
help i don't even know were to start with this. Use a Venn diagram to determine whether A ∩ (B U C) 5 (A ∩ B) U C for all sets A, B, and C.
May 12, 2009 by anonymous

Math
Using the definition of subtraction to determine the subtraction equations that are related to each of the following addition equation: a.8+7=n b.14+x=25 c.r+s=t my answers are this: a. n-7=8 b.x=25-14 c.t-s=r did I do these right?
June 4, 2009 by B.B.

MATH
Determine whether the situation calls for a discrete or continuous random variable. The braking time of a car Is it discrete?
September 8, 2009 by Jalynn

9th grade
the variable cost is 10/km and a 2.5-km trip costs $40, determine the equation relating cost, C, in dollars, and distance, d, in kilometers
October 23, 2009 by betty

algebra 2
determine whether the data in the table appears to be positively skewed, negatively skewed, or normally distributed. explain
December 22, 2009 by aisha

chemistry
Determine the number of moles of sulfate ions present in 1.20 mol iron(III) sulfate (Fe2(SO4)3).
January 13, 2010 by q

Mechanics-physics
The acceleration of a particle is defined by a=e^(k(t^2)).its velocity is 2m/s at time=3s.Determine the value of k and velocity after 5s starting from rest.
March 30, 2010 by Aayush Vetwal

Physics
A charge q=3*10^-6coulumb is placed at the centre of a cube of edge L.Determine the electric flux through each of the cube faces.
April 8, 2010 by Ayodele

Vector
The points U(4,-1,2), V(-1,-1,-1) and W(-4,2,4) dermine a triangle in R^3 a) Determine the parametric equations for thr three lines containing the 3 sides of the triangle
May 31, 2010 by Patrick

Physics
Light of wavelength 550 nm in air is found to travel at 1.96 x 10^8 m/s in a certain liquid. Determine the index of refraction of the liquid.
June 3, 2010 by Amber

physics
piston 1 has a diameter of 0.25 in; pistol 2 has a diameter of 1.5 in. In the absence of friction, determine the force necessary to support the 500 lb weight.
June 10, 2010 by Jackie

CALCULUS
Determine the derivative of the function: Y=1 / (Sq.root of (3x-1) I know the answer is -3 / (2(Sq.root of 3x-1)^3 I just need some aid on the steps. Thanks in advance.
June 15, 2010 by Anonymous

CALCULUS
A car has constant declaration of 10 km/h/s until it stops. If the car's initial velocity is 120 km/h, determine its stopping distance.
June 16, 2010 by Anonymous

12th grade-Advanced functions
Determine the vertical asymptotes of the graph of graph of y=secx/logx for x≤2pi
July 30, 2010 by aaron

physics
A charge of 6.00mC is placed at each corner of a square 0.100 m on a side. Determine the magnitude and direction of the force on each charge.
September 21, 2010 by john

physics
A 225 block of ice sits on a level table. a) identiy the forces that act on the block and determine their magnitudes.
September 30, 2010 by katelyn

Physics
A stone is dropped into a deep well and is heard to hit the water 2.95 s after being dropped. Determine the depth of the well.
October 8, 2010 by Eli

Earth Science
Please determine the noon sun angle at the given latitudes on April 11: 40 degrees north 0 degrees
October 29, 2010 by Casey

chemistry
Determine the chloride ion concentration in a solution containing 50.0 g MgCl2 dissolved in 1500 mL of solution. a. 0.350 M b. 0.700 M c. 1.40 M d. 3.17 M e. 6.34 M
November 10, 2010 by princess

Calculus
A particle moves along a line so that at any time t its position is given by x(t)=2(pi)t+cos(2(pi)t). Determine the particle's maximum velocity.
November 15, 2010 by MEG

Pre Calc
Determine how many orders of magnitude the quantities differ. A canary weighing 20 g and a hen weighing 2 kg. I want to say 1 but I am not sure...
December 5, 2010 by Courtney

Chemistry
Determine the mass of phosphoric acid that can be produced by the reaction of 1 ton of phosphate rock, Ca(PO4)2, and sulfuric acid.
January 2, 2011 by Megan

Chemistry
Determine the mass of phosphoric acid that can be produced by the reaction of 1 ton of phosphate rock, Ca(PO4)2, and sulfuric acid.
January 2, 2011 by Megan

Chemistry
Determine the mass of phosphoric acid that can be produced by the reaction of 1 ton of phosphate rock, Ca(PO4)2, and sulfuric acid.
January 2, 2011 by Megan

chemistry
Determine how many liters of nitrogen will be required to produce 87.0 liters of ammonia. The balanced equation for this reaction is: 3H2(g) + N2(g) ==> 2NH3(g).
January 5, 2011 by Lisa

pre cal
if a 22 inch tire rotates 40 times per 2 minutes, determine the linear and angular speed of the tire.
February 6, 2011 by karina

pre cal
If an 22-inch tire rotates 40 times per 2 minute, determine th elinear and angular speed of the tire.
February 8, 2011 by karina

Chemistry
determine the mass of sodium chloride produced when chlorine reacts with 0.29 g of sodium iodine in a single replacement reaction
February 17, 2011 by Alicia

Chemistry
determine the mass of sodium chloride produced when chlorine reacts with 0.29 g of sodium iodine in a single replacement reaction
February 17, 2011 by Alicia

physics
At 25°C, sound can travel 100 meters across a football field in 0.29 seconds. Determine the velocity of these sound waves.
February 22, 2011 by aaaskd

physics
8. Determine the acceleration of a proton in an electric field of 500 N/C. How many times is this greater than that due to gravity? The proton mass is 1.67 x 10-27 kg.
March 5, 2011 by ike

trig
A wheelchair ramp has an angle of inclination of 10 degrees and rises to a height of 3ft. Determine the length of the ramp in feet.
January 22, 2013 by Joel

physics
determine the most probable velocity of the gas molecules, whose density is ρ = 0,35 kg / m³ at a pressure of ρ = 40 kPa.
March 29, 2011 by lisa

Mechanical Engineering Sci.
Use the parallelogram of forces method to determine the magnitude and direction of the resultant of the forces given:1.7N at 45 and 2.4N at -60.
March 15, 2011 by Godknows

CALCULUS
FOR EACH PAIR OF LINES, DETERMINE SIZE OF ACUTE ANGLE, TO THE NEAREST DEGREE, THAT IS CREATED BY INTERSECTION OF LINES.:--Y = 0.5X+6 AND Y=-0.75X-1
May 10, 2011 by Anonymous

Math
i dont know how to solve this, i'm so lost. determine the exact value of c cot( 4c- pie/4) + tan ( 2c + pie/4)= 0 please help me!!! THANK YIU
June 18, 2011 by jake

chem
The mass of one molecule of the compound is 2.53 x 10^-22.Determine the molecular formula for methyl salicylate. emprical formula = C8H803
July 12, 2011 by bella

Math-probability
Jane plans to take a college algebra course with Mr. Doodle, determine the empirical probability that she receives at least a B.
July 19, 2011 by Jen

physics
If a charge of 25 coulombs passes a given point in circuit in a time of 125 minutes determine the current in the circuit
August 22, 2011 by vikram

Math
Need help with the below math please tell how you could use a number line to determine which of two numbers is greater.
September 8, 2011 by Macy

trig
To the nearest degree, determine the measure of angle X for each value of tan X a. tan X = 0.49 Just not sure how to solve these questions
October 12, 2011 by David

Calculus
Determine two angels between 0 degrees and 360 degrees that have a sine ratio of -1/2. Would that be 30 and 330?
October 24, 2011 by -Untamed-

grade 12 math
Given the function f(x)= x^3+8/x^2+-6, determine the eqaution of the asymptotes and state the end behaviours of the graph near the asymptotes.
December 5, 2011 by logan

Math
Explain how you can determine if a linear factor of a function is squared or cubed by examining the graph of the function. Halp I dont know :|
December 8, 2011 by Jacob

calculus
graph this function and determine the domain,range and vertical asymptote. f(x)=In(4-x) no need to graph just assist with points
January 11, 2012 by Sara

Precalculus
Determine the solutions to the equation 2sinx − cos2x = sin2x for 0 ≤ x ≤ 2π . How do I start this question?
January 26, 2012 by Melissa

physics
Determine the absolute pressure at the bottom of a lake that is 13.3 m deep. The acceleration of gravity is 9.8 m/s 2 and atmospheric pressure is 1.01 × 10 5 Pa . Answer in units of Pa
February 8, 2012 by Anonymous

Biology
I'm confused on the rule of multiplication and the rule of addition. When do I use each to determine the probability of a genetic trait being inherited.
March 4, 2012 by Peter

Calculus
Determine the absolute extreme values of f(x)=4√x -2x on the interval [1,4] I found the derivative of f(x)=4√x -2x f'(x)=2/x^(1/2) - 2 - I have no idea what to do now.
March 5, 2012 by Jessica

math
Determine the water level inside a tank that has a diameter of 40 feet and contains 180,000 gallons of water?
March 26, 2012 by J

math
Observe the first three sets of numbers to determine the missing value in the fourth set. Are you sure you know the value? {-5, 23, 12, 16} {1, 39, -14, 52} {17, 47, 42, -12} {25, ?, 11, 31}
April 11, 2012 by Rae

dynamics
a baseball is thrown downward from a 12.5m tower with an initial speed of 4.5m/s. determine the speed at which it hits the ground and the time of travel.
April 18, 2012 by chanz11

Ellipses:)
Given the ellipse with foci at (5,3) and (5,-5) and a major axis length of 12, determine the center using ( , ) and the denominators of the equation Center(x )^2/?, (y )^2/?=1
May 15, 2012 by Honey

determining values of x
Given the functions f(x)=sqrt[x] and g(x)=x+1, determine all possible values of x for which f(g(x)) = g(f(x)). Show steps please, thanks a lot!
May 16, 2012 by thomas

physics
The second resonant length of an open air column is 48cm. Determine the first and third resonant lengths
June 5, 2012 by Melissa

math
Determine the period, amplitude and phase shift for each given function: A)y = -4 cos 3x + 5 B)y = 2/3 sin (30x-90)-10 c)y = -0.38 tan (x/3+pi/3) d)y = pi cos(2x)+ pi
June 12, 2012 by darshi

dynamic
A particle moves along a straight line with an acceleration of m/s2, where s is in meters. Determine the particle’s velocity when s = 2m, if it start from rest when s = 1m.
June 30, 2012 by Adel

Physics
A car starts from rest and accelerates uniformly over a time of 5.21 s for a distance of 110 m. Determine the acceleratin of the car
September 16, 2012 by Latryce

English
How do you determine criteria for evaluating something? What specific areas should you consider? What is the importance of establishing clear criteria?
September 27, 2012 by Tasha

Chemistry
determine the volume of 45mM ethanol needed to make 1700 microliters that has a final ethanol concentration of 26.5mM?
October 3, 2012 by Cris

Calculus
Use any calculus method to determine extrema, intervals where the function is increasing or decreasing, asymptotes,and points of inflection for y = -x^4 + 2x^3 - x + 2
October 20, 2012 by Sissy

Childhood Education
What items would you first look for to determine whether lead is present in the environment where children are present?
November 1, 2012 by Brittany

physics
a longitudinal wave with a frequency of 3.0 Hz takes 1.7 s to travel the length of a 2.5-m slinky (see figure 16.3). Determine the wavelength of the wave.
November 18, 2012 by Joe

physics
a longitudinal wave with a frequency of 3.0 Hz takes 1.7 s to travel the length of a 2.5-m slinky (see figure 16.3). Determine the wavelength of the wave.
November 19, 2012 by Joe

Ph CHEM
A solution is found to contain 1 x 10-4 OH− ions, determine the pH of this solution. I did this problem and got 4 but it is not going in as correct. -log(1*10^-4)=4
November 27, 2012 by Lara

accounting
On November 30, 2011, Constance purchased an apartment building for $750,000. Determine her depreciation deduction for 2011
December 13, 2012 by kaye

chemistry
Determine the maximum mass of calcium iodate that can be dissolved in a 10.0L jug of 3.25x10^-2 molar calcium sulphide solution.
January 29, 2013 by Kayleigh

dynamics
the normal acceleration of a particle on the rim of a pulley 10 ft in diameter is constant @ 8000 ft/s^2. determine the speed of the pulley in rpm
February 25, 2013 by fatz

math
consider the minimum payment you just calculated determine the amount of interest and the amount that was applied to reduce the principal?
March 13, 2013 by Regina

College algebra
Determine without graphing, whether the given function has a maximum value and then find the value. f(x)=3x^2+18x-6
March 15, 2013 by Jenn

vectors HELP!
determine an equation of the plane that is perpendicular to the plane x+2y+4=0, contains the origin, and has a normal that makes an angel of 30 degrees with the z-axis.
March 20, 2013 by nico

chemistry
Ignoring activities, determine the molar solubility of copper (I) azide (CuN3) in a solution with a pH of 10.83. Ksp (CuN3) = 4.9 × 10–9; Ka (HN3) = 2.2 × 10–5.
March 21, 2013 by Jackie

Calculus
Determine the intervals on which the function is concave up and concave down f(x) = 17x^2 = x^4 by differentiating I get f'(x) = 34x+4x^3 and then I get lost. Can someone finish this up?
March 31, 2013 by Henry

Chemistry
Determine the number of particles in this sample. Identify the unit as a formula unit or a molecule. 58 g of chromium (III) sulfate.
April 3, 2013 by Jenny

statistics
7. Determine whether it is appropriate to apply the Central Limit Theorem for Proportions: sample size 35, sample proportion 0.95. A) Yes B) No
May 8, 2013 by ali awan

Maths (Geometry)
P is a point in rectangle ABCD. The distance from P to the 4 vertices of the rectangle are 7,15,24 and N in some order. If N is an integer, determine the value of N.
May 29, 2013 by ABCD

physics
A jet starting from rest reaches a speed of 241km/h on 96.0m of runway. Determine the magnitude of the Jet's acceleration? Answer is 23.3m/s^2
July 3, 2013 by jacob

Math
(a) sqrt(23) (b) sqrt(9) (c) (10/21) (d) (12/4) (e) 58 (f) −33 (g) 0 From the list above, determine the corresponding letters of the numbers that are (a) whole: (b) integers: (c) rational:
August 28, 2013 by Ruben

science
12-83. Determine the maximum height on the wall to which the firefighter can project water from the hose, if the speed of the water at the nozzle is 48ft/s
September 30, 2013 by aaa

PHI 103
If an argument does not commit a fallacy, it is A.necessarily valid. B.necessarily sound. C.Not enough information to determine D.Both A and B
December 8, 2013 by Nina

English
In the sentence, The hummingbird is the only bird that can fly backward, the verb is either "is" or "can fly" I cannot determine what the subordinate clause is.
February 25, 2014 by David

Chemistry
For the balanced redox reaction 2 Al(s) + 3 Br2(g) → Al2Br6(s), determine the number of electrons transferred in the overall reaction.
April 14, 2014 by Sarah

calculus
Determine whether the given series converges or diverges, and find the sum if it converges. I dont understand, help!! Thnx! 1) 20+5+(5/4)+(5/16)+...
May 7, 2014 by Sam

Maths-euclidean geometry
Determine with reasons the value of y(XY) in the diagram below. Given that AB= 4 units and BC= 3 units. X and Y are midpoints of AB and BC respectively.
May 25, 2014 by Unathi

math
A right cone has a height of 8cm and of volume of 250cm^3. Determine the radius of the base of the cone to the nearest centimeter.
June 4, 2014 by lee

english
In the book Ordinary People by Judith Guest, what are her biases? How can one determine an authors bias if it is a fiction book?
August 27, 2014 by Taylor

Chem-Extraction Lab
Why is dichloromethane not a good choice for re-crystallization of the caffeine? How could you determine that the product you had obtained was caffeine? Thanks!
September 16, 2014 by Nano

Science please help!!
To determine the atomic mass of an element, you would take a _________ average of the isotopes that make up that element
October 28, 2014 by Abby

Physics
An object is thrown upwards from a height of 50.0m at an initial speed of 19.6m/s. Determine how long will it take for the object to reach the ground.
December 14, 2014 by cams

physics
An object is moving so that its kinetic energy is 198 J and the magnitude of its momentum is 13 . 1 kg · m / s. Determine the speed of the object. Answer in units of m / s.
January 13, 2015 by Daniel

^Fluid Mechanics^
Determine the bulk modulus of elasticity of a liquid, if the pressure is increased from 7N/m^2 to 13N/m^2. The volume of the liquid decrease by 0.15%
January 25, 2015 by Ekingdeft

Chemistry
If you had a mixture of sodium chloride and sodium bromide, could you use its conductance to determine the concentration of each solute? Explain.
February 1, 2015 by Mary

chm
An aqueous solution that is 30.0 percent sulfuric acid (H2SO4) by mass has a density of 1.105 g/mL. Determine the molarity of the solution.
February 2, 2015 by victoria

physics
a car moving at 30 m/s slows to a speed of 10 m/s in a time of 5 s. determine a.) the acceleration of the car (b). the distance it moves in the third second.
March 10, 2015 by sha

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