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September 21, 2014

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

Number of results: 36,373

Geometry
If the boy is 4' 9" tall and his shadow is 6 ft. and the shadow of the flagpole is 19 ft., determine the height of the flagpole (to the nearest tenth).
January 17, 2011 by Ivan

Chemistry
Determine the volume of concentrated HCL and the volume of water needed to produce 20mL of 6M HCL.
January 26, 2011 by Michelle

pharmacy tech
Determine the milliliters of water needed to prepare 2 oz of a 10% solution from a 12.5% solution and distilled water.
April 4, 2011 by rob

pharmacy tech
Determine the milliliters of water needed to prepare 2 oz of a 10% solution from a 12.5% solution and distilled water.
April 4, 2011 by rob

MATH....
Determine the level of the confidence given the confidence coefficient z(α/2) for the following situation: z(α/2) = 1.96
November 3, 2011 by Jen

maths
use square nombers to determine at least 3 pattern for the first five square nombers.
November 9, 2011 by kell kell

precalculus
find the inverse of the function, graph the inverse function, determine the domain, range and asympotoes f(x)= e^-x/(2)+4
November 12, 2011 by mz tee

calculus
6. Determine a, b, c, and d so that the graph of y=ax^3+bx^2+cx+d has a point of inflection at the origin and a relative maximum at the point (2, 4). Sketch the graph.
January 3, 2012 by Yoona

chemistry
Determine the specific heat of iron if 6.1 J of energy are needed to warm 1.50 g of iron from 20 degrees C to 29 degrees C
January 16, 2012 by Anonymous

Math
Lines A and B are perpendicular and have the same x-intercept. The equation of line A is x+2y-4=0. Determine the y-intercept of line B.
January 23, 2012 by Alana

algebra
When you solve a system of equations by the substitution method, how do you determine whether the system of equations is inconsistent?
March 21, 2012 by algebra

Math
lines a and b are perpendicular and have the same x-intercept. The equation of line a is x+2y-4=0. Determine the y-intercept of line b.
August 12, 2012 by Anonymous

Math
Two points for each of two lines are given. Determine if the lines are parallel, perpendicular, or neither. L1: (4, -6) and (3, -2) L2: (3, -1) and (7, 0)
September 11, 2012 by Neil

Algebra2
Check Please? Determine if the given function is even, odd or neither. 1. f(x) = 3x^4 - 2x^2 =Even. 2. f(x) = x^3 + x = Odd.
November 29, 2012 by Pam

Phsyics
Determine the magnitude and direction of the gravitational force exerted a) on the Moon by Earth and b) on Earth by Moon.
December 18, 2012 by g

physics
an object's acceleration is given by the function a= 2/v^2, determine an expression for the velocity of the object as a function of time. (at t= 0, v=0)
January 12, 2013 by Kiana

physics
an object's acceleration is given by the function a= 2/v^2, determine an expression for the velocity of the object as a function of time. (at t= 0, v=0)
January 12, 2013 by Kiana

science
List 3 other elements similar to properties of Flourine. a. Why did you choose these? b. How did you determine their properties were similar?
February 21, 2013 by teacher1

Physics
In the drawing below, R1 has a resistance of 6.2 Ω and R2 has a resistance of 2.6-Ω. Determine the current (magnitude and direction) in the 6.2 and 2.6-Ω resistors in the drawing.
February 24, 2013 by Don

Applied Calculus
Let f(x) = −x2 + ax + b. Determine the constants a and b such that f has a relative maximum at x = 2 and the relative maximum value is 13.
February 27, 2013 by Jacob

Math
A biased coin is tossed 5 times where p(t) = .6. determine the probability that if you have 2 tails, you have 3 tails.
May 25, 2013 by Ann

math
Determine the equation of the lines perpendicular to the given lines and passing through the given points:(a)y-5x+3=0;(3,2) (b) y=8-7x;(-3,-4)
April 19, 2014 by Kevo

maths
Determine the length and breadth of a rectangle if the length is 3cm less than twice the breadth, and the perimeter is 18 .
May 5, 2014 by anonymous

maths
Determine the length and breadth of a rectangle if the length is 3cm less than twice the breadth, and the perimeter is 18 .
May 9, 2014 by anonymous

Algebra 2
Given a point (-2,5), determine a point that satisfies the specified symmetry. 1.)Origin 2.)y-axis 3.)x-axis 4.)y=x
September 18, 2014 by Alicia S.

Algebra
Given a point (-2,5), determine a point that satisfies the specified symmetry. 1.)Origin 2.)y-axis 3.)x-axis 4.)y=x
September 19, 2014 by Alex

algebra
how do I work this? (-4x^12y^7)^2 (2x^-3y^-2)^2 divided by (5x^-3y^10)^-1 i need step by step help
October 14, 2007 by dave

math
Show work for 6 times a number is 14 more than that number?
November 6, 2007 by shanae

Algebra
show all work for counterexample.for all integers a, b, and c----if a=b, then a/c=b/c
June 3, 2009 by Nicole

physics
Graphically solve for the WORK done if F= 40N @ 30 degrees and d= 12 @ 0 degrees.
November 21, 2010 by russell

Physics
A motor does 5,000 of work in 20 seconds what is the power of the motor
December 14, 2010 by Anonymous

8th grade math
I need to know how to work this math problem: 3n + (-7) -5n +1
September 9, 2011 by david

Math
2(27+4x)+7x=21 Please help me solve this problem and show your work please and thank you
February 15, 2012 by Sadie

Math PLEASE HELP ME!!
What is 14% of 120?? PLEASE SHOW ALL WORK, THANK YOU!!!
March 11, 2012 by Madelyn Santiago

chemistry
You work with the following system: 2X(g) <--> Y(g) At, equilibrium, [Y]=3[X]. If K=10, calculate the [Y] at equilibrium.
May 10, 2012 by Katie

grammar
Plural possesive of Mr. Valdez. (i.e., Mr. Valdez's performance at work....)
October 17, 2012 by Linda

math
(10x+2)-(x-10) simplified please! Thank you,please show the work!
October 25, 2012 by t

Algebra
Evaluate the expression.(50) How do I solve this expression? Can you show work. Thanks.
January 31, 2013 by Mike P

Spanish
Can you please unscramble the work in Spanish with the letters RACHAAMR
February 27, 2013 by Portia

Algebra 2 variables
Find the values of the variables. [-12 -w^2] = [2k -81] [2f 3] [-4 3] Show your work?
April 19, 2013 by Ana

chem!
You work with the following system: 2X(g) <---> Y(g) At, equilibrium, [Y]=3[X]. If K=10, calculate the [Y] at equilibrium.
April 21, 2013 by scilover

math
i need to know how to work this problem out step by step..[-16*-11/(4-9)] thank you
September 15, 2013 by sharolyn

chemistry help~Please!!!
What are the Ka and/or Kb value for 1M ZnCl2 Show work please!!!
April 11, 2014 by Eric

chemistry
0.050 kg of 4.0% (m/m) MgCl2 the answer is 2.0g MgCl2 how do you show the work
April 24, 2014 by Reina B.

Algebra
I have a few more questions that I either need help with or just need checking. Is the algebraic expression a polynomial? if it is write the polynomial in standard form, 1. 6x-9+8x^2 I got Yes; 8x^2+6x-9 Perform the indicated operations. Write the resulting polynomial in ...
August 13, 2007 by Soly

Math :(
Can someone plz explain how to do this math project, Plz give me some examples! Directions: For this project, you will visit an online marketplace website and choose three different products that you might want. For each product, you should provide a description of the item ...
December 15, 2013 by Princess Anna

English
Writing sentence and Paragraphs. Does the below look correct? Paragraphs 2 I am very excited about making medical billing and coding as my new field of my career. Since I use to work for Mary Brecking Ridge Hospital for 6 years. I learned a lot so now I have decided to get ...
January 13, 2012 by Mama

edu
Which of these scenarios best describes a nuclear family? A) Jeremiah is growing up within a cluster of adults and children who maintain their own living quarters but come together for work and meals. Child-rearing is a shared responsibility. B) The Farrish family is comprised...
March 9, 2013 by ray

social studies
Define these terms in your own words. 1. Immanent 2. Religion 3. Theistic 4. Monotheistic 5. Profane 6. Polytheistic 7. Monistic 8. Dogma 9. Nontheistic 10. Transcendent 11. Incarnations 12. Kensho 13. Atheism 14. Agnosticism 15. Rituals 16. Symbols 17. Myths 18. Orthodox 19. ...
March 7, 2007 by Trenet

ALGEBRA
You recently started the paperwork to purchase your new home, and were just notified that you can move into the house in 2 weeks. You decide to hire a moving company, but are unsure which company to choose. You search online and are interested in contacting two companies, ...
May 20, 2011 by Imagine

math --- pls check my work!
help pls asap!!! Check my work! 1. Find the area for the following figure. (trapazoid: bottom base 16.3, top base 5.9, height 4.6) 51.06 m^2*** 74.98 m^2 27.14 m^2 102.12 m^2 2. Find the area for the following figure. (1 point) (triangle: base 20.3, height 6.2) 125.86 cm^2 62....
February 3, 2014 by TTR+S<3

Math
Each cube below is made up of smaller cubes, but the large cubes are not solid. They had tunnels through them. • The first cube originally had 27 small cubes, but the tunnel removed 3 cubes. • The second cube originally had 64 small cubes, but two straight tunnels, 4 cubes ...
March 10, 2012 by Jiyeon

math
Each cube below is made up of smaller cubes, but the large cubes are not solid. They had tunnels through them. • The first cube originally had 27 small cubes, but the tunnel removed 3 cubes. • The second cube originally had 64 small cubes, but two straight tunnels, 4 cubes ...
March 11, 2012 by Neel

Math
Each cube below is made up of smaller cubes, but the large cubes are not solid. They had tunnels through them. • The first cube originally had 27 small cubes, but the tunnel removed 3 cubes. • The second cube originally had 64 small cubes, but two straight tunnels, 4 cubes ...
March 20, 2012 by Neil

Hydrology
assuming a peak flow velocity of 3 m/s determine culvert diameter if peak flow rate will 9790 cubic metres per second
November 11, 2007 by mohameed

physics
assuming a peak flow velocity of 3 m/s determine culvert diameter if peak flow rate will 9790 cubic metres per second
November 12, 2007 by Anonymous

physics
The collar has a weight of 8 lb. If it is released from rest at a height of h = 2 ft from the top of the uncompressed spring, determine the speed of the collar after it falls and compressed the spring 0.3 ft.
March 19, 2008 by shan

chemistry
Predict the relative rates for the reaction of butadiene and a)ethene, b)methyl propentanoate, c)maleic anhydride? Please Help!!!How do I determine the relative rates of the reactions?
May 21, 2009 by gizelle

chemistry
Identify the limiting reactant and determine the mass of the excess reactant remaining when 7.00 g of chlorine gas reacts with 5.00 g of potassium to form potassium chloride.
December 11, 2009 by Rafael Alvarez

algebra
I am confused on how to determine if an equation/expression is a trinomial square. For example c^2(squared)-18c+81. I know that this is a trinomial square but I don't know why. Could someone please help me understand better
January 7, 2010 by Sam

Physics!
A piston has a diemaeter of .64 cm. A second piston has a diameter of 3.8 cm. determine the Force necessary on Piston A to support the 500.0 Newton weight on piston B (in the absence of friction.)
February 21, 2010 by Harper

chemistry
Determine the molarity of in an aqueous solution at equilibrium with air at normal atmospheric pressure. The volume percent of in air is 20.65 Under an pressure of 1.00 , 28.31 of dissolves in 1.00 at 25.
February 21, 2010 by sab

Chemistry
Determine the boiling point elevation of H2O in the following solution a 2.5 m solution of C6H12O6 in H2O All i need is the formulas because i dont know how to solve it Thank you :l
March 7, 2010 by Veronica

College Chemistry Lab
For the following mixture, determine the initial concentration of Fe^3+. 0.00250M Fe^3+ --- 8.00mL 0.00250M SCN^- --- 7.50mL 0.10M HNO3 --- 4.50mL
March 16, 2010 by L**

Pre-Calculus
A piece of plexiglass is in the shape of a semi-circle with radius 2m. Determine the dimensions of the rectangle with the greatest area that can be cut from the piece of plexiglass?
March 28, 2010 by Erin

Discrete Math
In the questions below determine the size (i.e. cardinality) of the set. • {x|x ∈ N, x2 < 10} • P({a,b,c,d,e }) where P denotes the Power set • A Χ B where A = {1, 2, 3, 4, 5} and B = {1, 2, 3} • {x|x ∈ Z, 9x2 −1 = 0} • A Χ B where A = {a, b, c} and B = &#...
April 15, 2010 by Ashley Everette

chemistry
What are the concentrations of [H+] and [OH-] in each of the following. Determine the pH and pOH for each solution. A. 1.25 M HCl B. 0.25 M NaOH C. 0.035 M Ca(OH)2 D. 0.50 M HNO3 I know how to do the pH and pOH I just do not know how to figure out the both concentrations.
April 28, 2010 by Anna

science
in a certain chemical reaction, two reactants undergo change to form two products why cant you determine what type of reaction occurred from this information
April 29, 2010 by lady t

chemistry
Determine the mass of carbon monoxide that is produced when 45.6 g of methane, ch4 react with 73.2 g of oxygen gas, o2. The products are carbon monoxide and water vapour
July 27, 2010 by Kelsey

chemistry
A 281 lb fullback runs the 40 yd dash at a speed of 23.0 ± 0.1 mi/h.(a) What is his de Broglie wavelength (in meters)?(b) What is the uncertainty in his position? i determined the wavelength correctly, but how do you determine the uncertainty
September 16, 2010 by bob

General Chemistry
A certain protein was found to have 0.855% zinc by mass. Determine the minimum molecular mass of the protein. How do I go about solving this?
September 19, 2010 by Katie

Physics
An FM radio station broadcasts at 80.9MHz. Determine the period of the radio waves. i know period is just 1/freq. so what would i convert 80.9 MHz into???
November 27, 2010 by Josh

Physics
An FM radio station broadcasts at 80.9MHz. Determine the period of the radio waves. i know period is just 1/freq. so what would i convert 80.9 MHz into???
November 27, 2010 by Josh

chemistry
A bag contains a mixture of copper and lead BB's. The average density of the BB's is 9.87 g/cm^3. Assuming that copper and lead are pure, determine the relative amounts of each kind of BB.
February 13, 2011 by Tonya

physics
A piston, A, as shown below, has a diameter of 0.54 cm. A second piston, B has a diameter of 3.8 cm. Determine the force, F, necessary to support the 500.0 N weight in the absence of friction.
February 17, 2011 by Nataliya

Chemistry
Determine the # of moles of Al2S3 that can be prepared by the reaction of 0.400 moles of Aluminum with 0.700 moles of Sulfur, and Also find the # of moles of reactant in excess
May 7, 2011 by Denise

Quantum Physics
A proton is confined in an atomic nucleus of size 2 fm. Determine the fundamental limit on the uncertainty of any prediction for the measurement of the momentum of the proton in the nucleus.
May 18, 2011 by Olivia

physics
The plane is flying horizonally at 40m/s at an altitude of 125 m when it drops a bomb. determine how far horizonally from the target you should release the bomb
June 12, 2011 by Kylie

statistics
a. A random sample of 25 was drawn from a normal distribution with a standard deviation of 5. The sample mean is 80. Determine the 95% confidence interval estimate of the population mean.
August 15, 2011 by Sally

Phisics
Determine the stopping distances for a car with an initial speed of 93 km/h and human reaction time of 3.0 s for the following accelerations. (a) a = -4.0 m/s2 , but has changed from what was graded. m (b) a = -8.0 m/s2 but has changed from what was graded. m
September 4, 2011 by Adnane

Math
Given that cos 13pi/18=sin y, first express 13pi/18 as a sum of pi/2 and an angle, and then apply a trigonometric identitiy to determine the measure of angle y.
October 5, 2011 by Vincent

Physics
Physics Help... Applying Newtons Laws Grade 11? On the surface of the earth a geological hammer has a mass of 1500g. Determine its mass and weight on Mars where g=3.6 m/s^2.
October 22, 2011 by Erin

Physcis
Determine the acceleration of the marble from the straight line equation you calculated in question 2. So the equation i found in Q2 was y=9.84x+6.79 How do i figure out acceleration from this? please help!
November 5, 2011 by Anonymous

calculus
Determine an appropriate linear approximation of the function f(x)= the square root of x and use it to approximate the square root of 24.2. Write your answer in decimal form
November 17, 2011 by No Name

Calculus
I don't know what to write for question b and c. 1 a)Determine the values of x for which the function f(x) = 3/(√x^2+3x-4) is continuous. Values of x are -4 and 1. -------------------------------------- b) What does your answer in part a. represent? c) Why is it ...
February 11, 2012 by Matthew

LANG
Determine whether the definition below is connotative or denotative. relevant: bearing upon or connected with the matter in hand; pertinent: A. connotative B. denotative B
February 18, 2012 by kesha

Chemistry
Determine whether each anion is basic or neutral. For those that are basic, wrote an equation that shows how an anion acts as a base. (A) C7H5O2 ^- (B) I^- (C) NO3^- (D) F^-
February 27, 2012 by L.Bianchessi

Chemistry
Determine whether each cation is acidic or pH neutral. For those cations that are acidic, write an equation that shows how the cation acts as an acid. A) Sr+2 B) Mn+3 C) C5H5NH+ D) Li+
February 27, 2012 by L.Bianchessi

Chemistry
Determine whether each cation is acidic or pH neutral. For those cations that are acidic, write an equation that shows how the cation acts as an acid. A) Sr+2 B) Mn+3 C) C5H5NH+ D) Li+
February 27, 2012 by L.Bianchessi

Chemistry
Determine whether each cation is acidic or pH neutral. For those cations that are acidic, write an equation that shows how the cation acts as an acid. A) Sr+2 B) Mn+3 C) C5H5NH+ D) Li+
February 27, 2012 by L.Bianchessi

math
The total hang time T in seconds, is given by T(h)=^h/2. Where h is the maximum height. If a person jumps 6 ft off the ground, determine for how many seconds the person is in the air.
April 19, 2012 by angel

Math (grade 10)
On the design plan for a garden, a straight path suns from (-25,20) to (40,36). A lamp is going to be placed at the midpoint of the path. Determine the coordinates for the lamp.
May 28, 2012 by Shellie

math
cn you please help me a problem states that the sum of two numbers is 27. The numbers can be represented by x and 27-x. Is it possible to determine which is the larger number and which is the smller number. explain Thank u
September 25, 2012 by Kiki

Chem help
For which of the following molecules would the intermolecular forces be influenced mainly by dipole-dipole forces? PH3 CH3OHO HF C2H5OH CH3COCH3 how do I determine this
November 2, 2012 by Lindsey

Calculus
Determine the point on the curve 2y=2x^2 which is nearest to the point (2,0) Please include step by step calculations if possible... as that will help mem understand the problem better.
November 3, 2012 by Daniella

Physics Help!
Gas is contained in an 8.45 liter vessel at a temperature of 19.8oC and a pressure of 8.70 atm. Determine the number of moles of gas in the vessel. Do not enter units.
November 6, 2012 by Emily

Shipping Cost Program (Raptor)
Create a program that determine the shipping cpst for an order based on the follwoing table: From $0.00 $20.00 $50.00 $75.00 To $19.99 $49.99 $79.99 $1000.00 Price $2.95 $3.95 $4.95 Free
December 5, 2012 by Latrell

community umuokpu. Chemistry
if 50cm3 of co3 were put in 40cm3 of O2. Determine the gas that would be in excess and calculate the volume of gas that would be unused
February 9, 2013 by Tessy

Laboratory (math, chemistry)
Most analytic methods are subject to drift. Describe a system which could be used to determine the rate of drift of an analytic method.
February 12, 2013 by Maranda

chemistry
A voltaic cell that uses the reaction Tl3+(aq) + 2 Cr2+(s) ¨ Tl+(aq) + 2 Cr3+(aq) has a measured standard cell potential of +1.19 V. determine E‹red for the reduction of Tl3+(aq) to Tl+(aq).
April 14, 2013 by sarah

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