Monday

February 8, 2016
Number of results: 42,716

**algebra I**

determine which real number corresponds to the situation. The record high temperature for a date is 97.9 degrees above 0. what is the corresponding number for this sentence?
*April 18, 2010 by marilyn*

**Math**

"Three of the coordinates of the parallelogram STUV are S(-2,-2), T(7,7) and U(5,15). State the vector ST and hence determine the coordinates of V." So I've figured out that ST = (9,9), but I don't see how that helps me find V.
*May 5, 2010 by Stuck*

**Statistics**

Can a frequency distribution have overlapping classes? Sometimes No Yes Can't determine. I need more information my answer is sometimes, but i believe this to be incorrect
*June 17, 2010 by Jacob*

**Statistics**

Can a frequency distribution have overlapping classes? Sometimes No Yes Can't determine. I need more information my answer is sometimes, but i believe this to be incorrect
*June 17, 2010 by John*

**algebra**

The heights, h of the students in the chorus at Central Middle School satisfy the inequality absolute value of h-57.5/2< or = 3.25. Determine the interval in which these heights lie.
*September 30, 2010 by nancy*

**Math 20(interest rates)**

Determine the amount of interest charged on a loan of $5000 at 6.75% per annum, compounded semi-annually for 3 years.
*October 2, 2010 by Sandi*

**math **

use the euler diagram to determine if the syllogism is valid or invalid 1. Football and studying don't mix Don is football player. therefore: Don does not study
*October 8, 2010 by natacha*

**Grade 11 Math**

i need help doing this question... a quadratic funtion has these characteristics axis of symmetry: -1 x=3 is the x- int y= 32 is the maximum value determine the y int of this parabola.
*October 22, 2010 by priya *

**statistics**

A random variable may assume any value between 10 and 50 with equal likelihoods. (Uniform distribution) Determine the following values for this probability distribution: a) b) c) f(x) = d) P(x < 25) e) P(x > 15) f) P( 12 < x < 30)
*October 23, 2010 by Anonymous*

**chemistry**

Determine (a) the total number of Cl atoms in 125mL of liquid CCl4 (d= 1.589g/mL) and (b) the number of grams of carbon in 215 of sucrose, C12H22O11.
*November 1, 2010 by angela*

**math grade 11**

I need help with this question determine the values in k for which the function f(x)= 4x^2-3x+2kx+1 has two zeros. Check these values in the original equation. i don't get how to do it please help me.
*November 1, 2010 by priya *

**math grade 11**

I need help with this question determine the values in k for which the function f(x)= 4x^2-3x+2kx+1 has two zeros. Check these values in the original equation. i don't get how to do it please help me.
*November 2, 2010 by priya *

**Physics**

In its approach to an airport runway, an airplane of mass 1.24 x 10^5 kg has a velocity of 75.5 m/s [11.1 degrees below the horizontal]. Determine the horizontal and vertical components of its momentum.
*November 5, 2010 by Jordge*

**physics**

two ropes attached to I beam (mass 500 kg). ropes make angles of 60 degrees with horizontal. Determine tension in each rope
*November 7, 2010 by Anonymous*

**chemistry**

13.98mL of 2.902M HCl are reacted with 15mL of 3.198M NaOH. Use the molar heat of neutralization to determine the kJ of heat produced.
*November 23, 2010 by serena*

**math**

if the third and ninth term of a geometric series with a positive common ratio are -3 and -192 respectively, determine the value of the first term, "a".
*December 23, 2010 by john*

**Math7**

A small tectangular box has a width of 18cm and a volume of 720cm. a.)determine the height and the length of the box. b.) is there more than 1 answer? Explain.
*January 10, 2011 by Komal*

**Math**

A small tectangular box has a width of 18cm and a volume of 720cm. a.)determine the height and the length of the box. b.) is there more than 1 answer? Explain
*January 10, 2011 by Arushi HELP:(*

**science**

can i get the full answer to : determine your distance traveled and displacement if you walk 100 m forward and then 35 m back ? answer son as possible please and thank you !!
*February 22, 2011 by destiny*

**Physics-Could someone please help me?**

Could someone provide me with a simple explanation of how the Doppler Effect is used to determine the speed and direction of moving object
*February 23, 2011 by Julia*

**calculus (PLEASE HELP!)**

f(x)=((x+1)^3)-2 1. Describe the long term behavior of this function. Give the power function that f resembles. 2. Determine the number of turning points f has.
*August 30, 2011 by Katie*

**Chem 121**

Use Hess's law and the reactions 1) CH 4(g)+ Cl 2 (g)--->CH 3 CL(g) + HCl (g) 2) CH 3 Cl (g) + Cl 2 (g)---> CH 2 Cl 2 (g) + HCl (g) to determine the enthalpy for the reaction CH4 (g) + 2CH 2 (g)---> CH2 Cl 2 (g) + 2HCl (g)?
*March 29, 2011 by Jessica Jones*

**AP Chemistry**

write the keq expression for the following reaction and determine the value of the Keq at 25degree celcius: MnO2(s)+4H+(aq)<-->Mn2+(aq)+2H2O(l)+Cl2(g)
*April 24, 2011 by Rita*

**Chemistry**

A nitric acid solution is found to have a pH of 2.70. Determine [H3O+],[OH-], and the number of moles of HNO3 required to make 5.50L of the solution.
*April 24, 2011 by Jessica*

**ethnics 125**

determine if the Irish colonized or if it immigrated to the United States. Did the Irish face prejudice, segregation, racism, or any combination of the three? If so, how and why?
*May 29, 2011 by toni*

**Physics**

A car accelerates from 0 to 60 miles per hour in 6.5 seconds. Determine the distance traveled in this time and the acceleration. Assume constant acceleration.
*September 22, 2011 by Jen*

**Physics (5)**

A 2.0-kg object moving 5.0 m/s collides with and sticks to an 8.0-kg object initially at rest. Determine the kinetic energy lost by the system as a result of this collision.
*October 29, 2011 by Anonymous*

**Math**

Explain how to determine the value of x that gives a maximum for a transformed cosine function in the form y=acos(k(x-d)) + c, a>0, if the maximum for y=cosx occur at (0degrees, 1)
*December 5, 2011 by Jacob*

**English**

Select the gerund phrase in the sentence below. Then, determine the noun function of the gerund. Writing a research paper sounds difficult
*December 7, 2011 by Lisa*

**physics**

An equilateral triangle with sides 2 m each has a charge of 30 μC at each of its three corners. Determine the electric field at a point 5 m above the center of the triangle.
*January 24, 2012 by Anuj*

**physics**

Determine the force required through A for the system to remain in static equilibrium in the horizontal (not moving side to side). The forces at B and C are 40 N and 90 N, respectively
*February 12, 2012 by Anonymous*

**Calculus**

An object moves in a straight line. Its velocity, in m/s, at time t is v(t)=4t^2/(1+t^2),t≥0. Determine the maximum and minimum velocities on the interval 1≤x≤4.
*March 3, 2012 by Jake*

**chemistry**

predict the solubility of 2-propanol in dichloromethane and in water. Can someone explain how they came to their conclusion because I just dont understand how to determine solubility.
*March 8, 2012 by casey*

**chemistry**

a 12.0g sample of carbohydrate contain 4.50g of carbon, 3.25g of oxygen, and some hydrogen. Determine the percent by mass of hydrogen in your product
*March 11, 2012 by jhong*

**chemistry**

A 12.0g sample of carbohydrate contain 4.50g of carbon, 3.25g of oxygen, and some hydrogen. Determine the percent by mass of hydrogen in your product.
*March 14, 2012 by puraw*

**Chemistry**

A 12 mL sample of 0.4 M silver nitrate solution is mixed with 8 mL of 0.8 M sodium chloride solution. Determine the identity of precipitate and the number of grams produced.
*April 23, 2012 by Jo*

**physics**

a ball is kicked with an initial speed of m/s at an angleof 32.5 above horizontal on the soccer field.determine the maximum height reached by the ball
*April 26, 2012 by Anonymous*

**chemistry**

What is the rate of disappearance of dinitrogen pentoxide between 0 s and 100 s? Use the chart above to determine the change in concentration of N2O5between 0 s and 100 s.
*April 26, 2012 by Anonymous*

**english **

Select the gerund phrase in the sentence below. Then, determine the noun function of the gerund. Brett earns his income by repairing cars.
*June 4, 2012 by natahliee*

**physics**

An alpha particle initally moving at a speed of 7.10 x10^5 m/s goes through a potetial difference of 2500V. determine the final speed. thanks!
*June 23, 2012 by Toby*

**Math**

Suppose you buy a $1395 savings bond that pays 4.3% annual simple interest. Determine the value of the bond after 7 years.
*July 14, 2012 by Meredith*

**business**

Ms. Sue, Could you please give me a formula to determine budgetary variance model or give me a website to go to, in order understand this more clearly. Thanks PJ
*July 22, 2012 by pj*

**geometry**

how can you determine the probability that a point radomly selected from the interior of a square surrounded by two semi circles will fall within the square
*July 29, 2012 by roman*

**General Chemistry**

How do you recognize and identify the compounds and elements? How do you determine the uncertainty in measurements? What is differentiating between measured numbers and exact numbers?
*August 27, 2012 by Kameesha*

**Physics**

Determine the final velocity of a proton that has an initial velocity of 2.15x10^5 m/s, and then is accelerated uniformly in an electric field at the rate of -1.10x10^12 m/s2 for 1.20x10^-7 s.
*September 13, 2012 by Shelby*

**physics**

The radius of curvature of a convex mirror is 1.60 x 102 cm. An object that is 11.0 cm high is placed 40.0 cm in front of this mirror. Determine (a) the location and (b) the height of the image.
*November 14, 2012 by johnathan *

**MECHANICS**

(b) A stone is thrust upwards and reaches a height of s= (73.5t-4.9t2) metres at the end of t seconds. Determine the highest point of the stones ascent. [6]
*November 17, 2012 by Anonymous*

**physics**

A box slides down a 33.3 ◦ ramp with an acceleration of 1.07 m/s 2 . The acceleration of gravity is 9.8 m/s 2 . Determine the coeﬃcient of kinetic friction
*December 4, 2012 by Anonymous*

**Chem hwk**

Using the equation N2 + 3H2 yields ==> 2NH3 , determine how many grams of ammonia will be produced when 233 grams of hydrogen is consume
*January 25, 2013 by thad*

**physics**

`A golfer strikes the ball as shown. Letting, α = 23 , β = 41, and the initial speed v0 = 6 m/s, determine the x and y coordinates of the place where the ball will land
*February 9, 2013 by Anonymous*

**community umuokpu. Chemistry**

if 50cm3 of Co2 were put in 40cm3 of O2. Determine the gas that would be in excess and calculate the volume of that would be unused
*February 9, 2013 by Tessy*

**community umuokpu. Chemistry**

if 50cm3 of Co2 were put in 40cm3 of O2. Determine the gas that would be in excess and calculate the volume of that would be unused
*February 9, 2013 by Tessy*

**dynamics**

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 compresses the spring 0.9ft .
*February 24, 2013 by Rob*

**calculus**

Integral of 10 / (5x^2 - 2x^3) Do not determine the numerical values of the coefficients. Just wanted to know why when I write out the form of the partial fraction decomposition there is A/x + B/x^3 + C/ (x^2 + 4) Why isn't it just A/x^3 + B/ (x^2 + 4)?
*March 2, 2013 by Daniel*

**Physics**

An electron has a kinetic energy of 7.00 10-17 J. It moves on a circular path that is perpendicular to a uniform magnetic field of magnitude 4.40 10-5 T. Determine the radius of the path?
*April 4, 2013 by Don*

**english**

Select the gerund phrase in the sentence below. Then, determine the noun function of the gerund. Writing a research paper sounds difficult.
*April 18, 2013 by michelle*

**Physics**

If theta equals 60 and F equals 450 Newtons, determine the magnitude of the resultant force and its direction, measured counterclockwise from the positive x axis.
*August 28, 2013 by Rachel*

**AP Calculus**

Consider the function f(x)= abs(x)(x-3)/9-x^2 a) what is the domain of f? What are the zeros of f? b) find all nonremovable discontinuities of f c) determine all vertical and horizontal asymptotes of f
*September 16, 2013 by Nina*

**Algebra**

A cab charges $1.75 for the first mile and $0.25 for each additional mile. Write and solve an inequality to determine how many miles Eddie can travel if he has $15 to spend
*September 25, 2013 by Jim*

**PreCal**

Determine the value of c for which the following quadratic equations will have one root. x^2-5x+c=0 I have no idea what formula to use to figure this out.
*November 10, 2013 by Terri*

**chemistry**

determine the density in copper at 1305K. 1 mole of vacancies in copper is 104kJ. The answer I calculated this time is 8.4572*10^22. I am not sure if this correct. Thanks.
*November 17, 2013 by Al*

**Physics**

A microwave rated at 1000 W heats a 500 g glass of water from 10 degrees C to 55 degrees C in 2 minutes. Determine the efficiency of the energy transformation.
*January 16, 2014 by Holly*

**Finance**

A person invests $500 on June 4, 2015 in an account which earns 7% simple interest. Determine the value of the investment on October 18, 2015.
*January 19, 2014 by steve*

**chem**

Consider the following neutralisation reaction: 2 H3PO4(aq) + 3 Ca(OH)2 (aq) → Ca3(PO4)2 + 6 H2O Determine the volume of 0.75 M H3PO4 necessary to neutralise 35 ml of 0.45 M Ca(OH)2
*February 8, 2014 by vicky *

**algebra**

Show all steps Determine whether y varies directly with x if so find the constant of variation k and write the equation? X line is y line is 4. 6.4 7. 11.2 10. 16 13. 20.8
*March 11, 2014 by snow*

**CHEMISTRY**

At 450oC the value of equilibrium constant for the following system is 6.59 x 10-3. If [NH3] = 1.23 x 10-4 and [H2] = 2.75 x 10-3 at equilibrium, determine the concentration of N2 at that point. N2(g) + 3H2(g) 2NH3(g)
*April 10, 2014 by SHIV*

**trig**

Given angle x, where 0 <= x < 360 (degrees), cos(x) is equal to a unique value. Determine the value of to the nearest degree. Justify your answer.
*April 11, 2014 by John*

**trig**

Given angle x, where 0 <= x < 360 (degrees), cos(x) is equal to a unique value. Determine the value of to the nearest degree. Justify your answer.
*April 11, 2014 by John*

**trig**

Given angle x, where 0 <= x < 360 (degrees), cos(x) is equal to a unique value. Determine the value of to the nearest degree. Justify your answer.
*April 11, 2014 by John*

**Physics**

An artificial satellite circles the Earth in a circular orbit at a location where the acceleration due to gravity is 8.26 m/s2. Determine the orbital period of the satellite.
*April 29, 2014 by Joe*

**physics**

A 1000 kg rocket without an internal propulsion system is launched with an initial speed of 7.00 x 10^2 m/s. Determine the maximum height attained by the rocket
*July 13, 2014 by Liz*

**chemistry**

When 3.00 moles of sodium are reacted with large amounts of chlorine gas 145.8 g of sodium chloride are produced determine percentage yield
*July 16, 2014 by Veronica *

**pHYSICS`**

dETERMINE THE HORIZONTAL FORCE needed to accelerate a 50kg grocery cart from rest to 0.90 m/s in 2.8s if the coefficient of friction between the cart and the floor is 0.20 ?
*August 11, 2014 by Dulce*

**dynamics**

a 200 g object is attached to a 1.5 m long string is whirled around a horizontal force at a speed of 6 m/s. determine the centripetal acceleration of the object.
*September 14, 2014 by yel*

**Math-please check**

Determine if a true bioconditional can be written from each conditional statement. If not, gove a counterexample. 1. If a = b then |a| = |b| Is this true? 2. If y^2= 64 then 3y=24 Is this false? Because if you do -8 both of them aren't equal
*September 25, 2014 by Anonymous *

**math**

the wheel of a bicycle has a diameterof 72 cm and are rotating with an angular velocity of 12 rad/s. determine how much time the bicycle takes to travel 100m.
*January 21, 2015 by bob*

**chm**

An aqueous solution that is 10.0 percent sulfuric acid (H2SO4) by mass has a density of 1.143 g/mL. Determine the molality of the solution. ( 3 significant figures)
*February 3, 2015 by tyler*

**chm**

An aqueous solution that is 10.0 percent sulfuric acid (H2SO4) by mass has a density of 1.143 g/mL. Determine the molality of the solution. ( 3 significant figures)
*February 3, 2015 by vikki*

**physics**

4.) A 8.0 kilogram physics textbook experiences an applied force of 28.0 Newtons for 2.6 seconds. The resulting acceleration is 3.50 m/s2. Determine the change in the momentum of the book.
*March 4, 2015 by Melissa *

**math**

Suppose you buy a $1395 savings bond that pays 4.3% annual simple interest. Determine the value of the bond after 7 years.
*April 22, 2015 by Jamie Thomas*

**physics**

Two forces P and Q whose resultant is 10Newtons are at right angles to each other. If P makes 30 degrees with the resultant, determine the magnitude of Q in Newton.
*June 8, 2015 by ayomide*

**physics**

Use Keplers laws and the period of the Moon (27.4 d) to determine the period of an artificial satellite orbiting very near the Earths surface.
*October 30, 2015 by rani*

**Chemistry**

How do you determine the number of valence electrons in one atom of each of the following elements. ... We had 20 elements overall for homework so I listed the first 5 A) Na B.) F C.) Rb D.) Ba E.) I
*December 2, 2015 by Allison*

**physics**

The distance between two charges q1 = -2.5 μC and q2 = 6.0 μC is equal to 1.0 m. Determine the point (other than infinity) at which the electric field is zero.
*January 12, 2016 by THOMAS123*

**CHEMISTRY**

1.) 2 methylpropene is a compound used to make synthetic rubber. A sample of 2 methylpropene contains 0.566 g C and 0.0933 g H. Determine its empirical formula
*January 13, 2016 by JESSICA *

**physics**

An inverted image is magnified by 2 when the object is placed 22cm in front of a concave mirror. Determine the image distance and the focal length
*January 24, 2016 by portia*

**CHEMISTRY**

DETERMINE THE TEMPERATURE REQUIRED FOR 0.0354MOL OF GAS TO FILL A BALLOON TO 2.5L UNDER 0.998K PA PRESSURE PV = nRT. Change kPa to atmospheres and use R = 0.08206 L*atm/mol*K.
*January 8, 2007 by TIFFANY*

**Chemistry**

Spectrophotometric measruments give us a little information about the comlpexity of the fractions that we obtain by solid phese extraction. To determine the identity and number of the compounds each fraction has , what should we do?
*December 9, 2008 by Robert*

**Math**

I asked this question yesterday, but I am still having alot of trouble, can someone please help me. Thanks. If 1-cos^2x=0.8725, and x is acute, determine the value of x correct to the nearest tenth of a degree.
*April 19, 2009 by Sydney*

**Chemistry**

In the following equations determine which reactant is the limiting and which reaactant is in excess. 1. KCL + HNO3--->KNO3 + HCL 22.0g 18.3g 2. 2Al(OH)3 + 3H2SO4---> Al2(SO4)3 + 6H2O where there is 25 g of Al(OH)3 and 25g H2SO4.
*August 3, 2009 by Ashley*

**Math (FST Exponential & Logarithm) **

What is the amount and type of the growth factor of the model: y=3(1.04)^x Determine the equation for the asymptote: y=2+ log(x-3) For the second question, I don't even have an idea what is to be determined.
*March 17, 2010 by Sandy*

**math sequences and series**

how do i solve if t1=1/2 and tn=tn-1+1/n(n+1), determine an explicit formula for the general term. (hint: it is neither arithmetic nor geometric. write out the first few terms)
*May 31, 2010 by alicia*

**physics**

the coefficient of kinetic friction between the two blocks shown is 0.26. The surface of the table and the pulleys are frictionless. (b) Determine the magnitude of the acceleration of each block. Find the tension in the strings
*June 18, 2010 by please help quick*

**calculus**

Use the ratio test to determine whether each series is convergent or divergent. 4/(1*2*3) + 8/(1*2*3*4) + 16(1*2*3*4*5) + ... How exactly do I do this? The example problem says to first find the nth term, but I don't know how. Help is much appreciated.
*August 13, 2010 by Tim*

**chemistry**

use logic and simple math to determine how long it will take for a sample of potassium- 42 to decay from 8mg to 0.25mg if the half-life of this radioactive isotope is 124 hours
*October 12, 2010 by jay 1*

**college chemistry**

Use standard enthalpies of formation to determine Horxn for: 2NH3(g) + 3O2(g) + 2CH4(g) 2HCN(g) + 6H2O(g) in kilojoules. Find the change in internal energy for this reaction in kJ
*October 18, 2010 by jake*

**Chemistry**

Thank you for being helpful in the check my interpretation of the three word problems below,and,let me know if I'm on the right track? Determine the mass of water vapor formed when 1.00g of Butane (C4H10)
*November 3, 2010 by Cliff*

**math**

Sevnety-eight players entered a single elimination tennis tournament.How many matches were played to determine the overall champ? please help me...and if u get the answer can you explain how you got it with a rule or a pattern
*November 15, 2010 by Katherine*

**math**

Sevnety-eight players entered a single elimination tennis tournament.How many matches were played to determine the overall champ? please help me...and if u get the answer can you explain how you got it with a rule or a pattern
*November 15, 2010 by Katherine*

**math**

Sevnety-eight players entered a single elimination tennis tournament.How many matches were played to determine the overall champ? please help me...and if u get the answer can you explain how you got it with a rule or a pattern
*November 15, 2010 by Katherine*