Monday

November 24, 2014

November 24, 2014

Number of results: 37,484

**trig**

suppose sin(x)=4/5 and cos(y)=-12/13, and x and y are in the second quadrant. determine the value of each expression: sin(x+y), cos(x-y), cos2x, sin2y.
*October 24, 2010 by jj reddick*

**geometry**

Given the right triangle JKL, whose arean is 32 sqare units, determine if it is an isoceles right triangle.
*October 26, 2010 by Nina*

**Chemistry**

Uranium hexafluoride is a solid at room temperature, but it boils at 56°C. Determine the density of uranium hexafluoride at 76°C at 747 torr.
*October 27, 2010 by Mattie*

**physics**

A box slides down a 22° ramp with an acceleration of 1.19 m/s2. Determine the coefficient of kinetic friction between the box and the ramp.
*October 31, 2010 by Anonymous*

**Physics**

A box slides down a 38.5° ramp with an acceleration of 1.47 m/s2. Determine the coefficient of kinetic friction between the box and the ramp.
*December 2, 2010 by Zack*

**physics**

A box slides down a 33° ramp with an acceleration of 1.38 m/s2. Determine the coefficient of kinetic friction between the box and the ramp.
*December 5, 2010 by Kevin*

**Math**

Find the slope m of the tangent line to the graph of the function at the given point and determine an equation of the tangent line. f(x) = 9/(5 x) ( at ) \(1,(9/5)) m = y=
*February 4, 2011 by Anonymous*

**Chemistry**

A 100.0 mL sample of 0.20M HF is titrated with 0.10M KOH. Determine the pH of the solution after the addition of 100.0 mL of KOH. The Ka of HF is 3.5 x 10^-4
*April 7, 2011 by Alex*

**Chemistry**

When 1.187g of a metallic oxide is reduced with excess hydrogen, 1.054g of the metal is produced. How do you determine what the metal oxide is?
*May 18, 2011 by Josh*

**Algebra 2**

Are the functions f and g inverse functions if f(x)=5/3x+1 and g(x)=3(x-1)/5? I need all of the steps on how to determine this. I need this ASAP because this assignment is due tomorrow. Thanks
*May 25, 2011 by Brandon*

**college algebra**

A function is given. Determine the average rate of change of the function between the given values of the variable. f(t) = 6/t ; t = a, t = a + h
*June 17, 2011 by Kelley *

**college algebra**

A function is given. Determine the average rate of change of the function between the given values of the variable. f(x) = 6 âˆ’ x2; x = 1, x = 1 + h
*June 17, 2011 by Kelley *

**Math-probability**

One card is selected at random from a deck of cards. Determine the probability that the card is a black heart.
*July 19, 2011 by Jen*

**Chemistry**

A gas at a temperature of 95 degrees C occupies a volume of 159 mL. Assuming constant pressure, determine the volume at 15 degrees C.
*August 2, 2011 by Tina *

**Calculus**

Find the constant c so that lim [x^2 + x + c]/[x^2 - 5x + 6] exists. x->3 For that value of c, determine the limit. (Hint: Find the value of c for which x - 3 is a factor of the numerator.)
*October 8, 2011 by Blue *

**science**

Determine the phenotype,give the genotypes that are possible for patrick: A tall head (T) is dominant to short (t) Tall= Short=
*October 19, 2011 by rene*

**Math**

Use elements in the order given to determine rows and columns of the matrix. R on {1,2,3,4} where aRb means |a-b| <1. R on {1,2,3,4,6,12} where aRb means a|b.
*November 18, 2011 by Tony*

**calculus**

Determine if the graph of the rational function has a slant asymptote. If it does, find the equation of the slant asymptote. (2x^3+18x^2+47x+24)/(x^2+6x+5)
*November 26, 2011 by fsfsfsfss*

**ramirez**

A box slides down a 37° ramp with an acceleration of 1.24 m/s2. Determine the coefficient of kinetic friction between the box and the ramp.
*February 10, 2012 by joana*

**algebra**

Can someone please help. When you solve a system of equations by the substitution method, how do you determine whether the system of equations is inconsistent? Thanks
*March 1, 2012 by algebra need help*

**Math**

A city of 2,950,000 people has a 2.5% annual decrease in population. Determine the city's population after 4 years.
*March 12, 2012 by Julie*

**trig**

Determine the least positive value of t for which d=0. d=cos((3pi/4)(t)) 0=cos((3pi/4)(t)) I got stuck on this step Please help
*March 21, 2012 by Help *

**trig**

Determine the least positive value of t for which d=0. d=cos((3pi/4)(t)) 0=cos((3pi/4)(t)) I got stuck on this step Please help
*March 21, 2012 by Help *

**Math**

Determine whether the expression is a polynomial, if it is state how many terms and variables the polynomial contains. state the degree -4x-2y-1 the -2 and -1 are above the Y
*June 5, 2012 by Adriana*

**Math Algebra**

Determine whether the expression is a polynomial, if it is state how many terms and variables the polynomial contains. then state the degree 7x^2+3x+3
*June 10, 2012 by Adriana*

**geometry**

DEF and ABC are complementary angles and ABC is nine times as large as DEF. Determine the measure of each angle.
*June 27, 2012 by angela *

**Physics**

Determine the ratio of the relativistic kinetic energy to the nonrelativistic kinetic energy (1/2mv2) when a particle has a speed of (a) 2.12 x 10-3c. and (b) 0.959c.
*July 20, 2012 by Beth*

**accounting**

How do businesses determine what salvage values to use for their various assets? Are there “hard and fast” rules for salvage values?
*August 1, 2012 by Kim Copper*

**Logic**

Truth tables can determine which of the following? a) If an argument is valid b) If an argument is sound c) If a sentence is valid d) All of the above
*August 19, 2012 by Tammy*

**physics**

an object 12 kg of mass slides over a surface with horizontal force of 75 N. The friction force is of 17 N. Determine the acceleration of the object.
*October 7, 2012 by daniela*

**chemistry**

Determine the mass of CuSO4.5H20 needed to make 250 mL of a .100M CuSO4.5H20 aqueous solution..
*October 9, 2012 by danielle*

**health**

as a worker,to provide care that is of a reasonable standard.identify and list the document that determine how must you provide care
*October 17, 2012 by jessica*

**Calculus**

Water flowing into a hemispherical tank of 5m radius at a rate of ((3m^3)/(hr)) Determine the rate at which the depth of water increases.
*November 3, 2012 by Daniella*

**Business Calc **

Determine when, to the nearest year, $3,000 invested at 5% per year, compounded daily, will be worth $10,000.
*November 8, 2012 by Jamie*

**solid mensuration**

Determine the area of the segment of a circle if the length of the chord is 15 inches & located 5 inches from the center of the circle.
*December 1, 2012 by Cathy*

**Algebra**

A function is given. Determine the average rate of change of the function between the given values of the variable. f(x) = 6 − x2; x = 2, x = 2 + h
*February 11, 2013 by Jazzy*

**College Algebra**

A rectangle is bounded by the x-axis and the semicircle Y= SQ RT of 4-x^2. Write the area A of the rectangle as a function of x and determine the domain of the function.
*February 16, 2013 by Kristi*

**math**

Find the slope m of the tangent line to the graph of the function at the given point and determine an equation of the tangent line. f(x)=7x-5x^2 at (-2,-34) m = ?? y = ?? .
*March 4, 2013 by Kimberly*

**Calculus**

Find the slope m of the tangent line to the graph of the function at the given point and determine an equation of the tangent line. f(x) = 15/4 x at (1,15/4)
*June 6, 2013 by Tee*

**Calculus**

Find the slope m of the tangent line to the graph of the function at the given point and determine an equation of the tangent line. f(x) = 15/(4 x) at (1,(15/4) m = y =
*June 7, 2013 by Shan*

**Vocabulary**

Determine whether the definition below is denotative or connotative Gray: A cold, glommy day. A. connotative B. Denotative
*July 12, 2013 by LadyT*

**chemistry**

determine the mass of CO2 produced when 51.2 g of CaO is reacted with 50.0 g of C according to the unbalanced equation CaO + C --------CaC2 =CO2
*August 26, 2013 by tyler*

**Math**

Determine the range of each function a)f(x)=(x^2+3)^2,XER Answer is f(x)ER, f(x)>9 b)f(x)=1/3+x^4,XER Answer is f(x)ER, 0<f(x)<1/3 Please explain how they go those two answers
*October 7, 2013 by Jordan *

**chemistry**

Determine the mass of copper(ii)trioxonitrate(v) that will be formed,when 15g of copper is added to excess diluted trioxonitrate(v) acid. (cu=63.5, N=14, O=16)
*November 21, 2013 by Anonymous*

**SEATTLE**

Determine the volume of base ml needed to prepare the following 500 ml of 0.18 % NaOH SOLUTION USING A 10.0 % NaOH SOLUTION
*March 21, 2014 by MH*

**chem**

a hydrated iron chloride compound was found to contain 20.66% Fe, 39.35% Cl, and 39.99% water, determine the empirical formula of this hydrated compound
*May 13, 2014 by la fonda*

**physics**

A box slides down a 28° ramp with an acceleration of 0.98 m/s2. Determine the coefficient of kinetic friction between the box and the ramp.
*October 12, 2014 by jo*

**math**

the height of a ball thrown vertically upward from a rooftop is modelled by h(t)=-5t^2 +20t+50. Determine the maximum height of the ball.
*October 14, 2014 by Robert*

**English - please revise**

eview the following Internet and University Library sources. Then, determine which sources are reliable and which are not. Explain your answers. My answer: I cannot put the websites: When evaluating online sources, one of the points to remember is that every information listed...
*April 17, 2008 by Rose- Ms. Sue*

**physics (please check work)**

Four identical particles, each with mass m, are arranged in the x,y plane like a cross. They are connected by light sticks to form a rigid body. If m=2.0kg and a=1.0 m the rotational inertia of this array about the y axis is: work: I know that I= mr^2 I=(2.0kg)(1.0m)^2 I=2 kgm...
*December 9, 2006 by susane*

**Math**

1.The cost of a soda at Paul's Pizza is $1.69. Refills are $0.45 each. Gabe ordered a cola and had it refilled 3 times. Which equation can be used to find d, the cost in dollars of Gabe's cola? A.d=3(1.69+0.45) B.d=1.69+3(0.45) C.d=1.69+0.45+3 D.d=3(1.69)+0.45 B 2.Ricky told ...
*April 3, 2013 by Jerald*

**Physics**

I need help, i'm not sure if i have the correct answers and i'm scared to submit them. A man carries a 10 kg sack of groceries in his arms with a force of 50 N as he walks forward a distance of 10 m. How much work has he done? (Points : 1) 0 J 50 J 100 J 500 J <---- In ...
*February 24, 2014 by Me*

**Math**

Directions:Write inequalities for the numbers 2 - 4 below. Do not solve them! Problems: 2.Your quiz grades are 19, 17, 20, and 15. What is the lowest grade you can receive on the next quiz and maintain at least an 18 average? 3.Stacey and Luis volunteer at the local hospital. ...
*June 21, 2007 by Erica*

**Math problem**

1.You have recently found a location for your bakery and have begun implementing the first phases of your business plan. Your budget consists of an $80,000 loan from your family and a $38,250 small business loan. These loans must be repaid in full within 10 years. a.What ...
*November 20, 2011 by Avery*

**geography**

what would be some simple sanitation uses in australia? and you were usin tools made by yourself. the location of australia is in the area of west and south Gippsland. also including Wilsons Promontory, Victoria I'm not sure what you mean by "sanitation uses." South and west ...
*February 23, 2007 by Philo*

**pre-algebra help**

Determine which two equations represent perpendicular lines. (a) y = 3/10x -3 (b) y= - 10/3x -3 (c) y = -1/5x + 3/10 (d) y = 1/5x – 3/10 Equations (a) and (b) are perpendicular t one another, because the product of the slopes is -1.
*June 10, 2007 by carol*

**Math**

The sum of three consecutive integers is 417. Let n be the first one. Write and solve an equation that will determine the three integers.
*January 7, 2008 by Keishia*

**calculus**

determine whether the series is convergent if so find sum it is the sum from k=1 to infinity of ((-1)^k)/(3^(k+1)) i found this series to be geometric where a=-1/9 and r=1/3 my answer was converges to 1/6
*February 21, 2008 by sarah*

**Calculus**

determine whether the series converges or diverges. I am stuck on these two problems. Any help is appreciated. infinity sigma (ln n)/n n=2 infinity sigma (5n^3-3n)/[(n^2)(n+2)(n^2+5)] n=1
*March 12, 2008 by Anonymous*

**Math**

Please help Which of the following numbers are integers 2/3, 35, 0.093, -650, 42.5 Determine the maximum and minimum values of the following set of numbers 3. -36/7, -1, -2/3, 5/4, -5, 26/9
*March 22, 2008 by Sonya*

**Microbiology**

Molecular chronometers are used to determine the course of evolution. Explain in full what these are and how they are used. Why, even with this "tool", is evolution still so complex?
*April 13, 2008 by Leah*

**calculus**

Determine whether the following is convergent of divergent. integral(lower limit=0, upper limit=infinity)of sin(x)sin(x^2)dx Thanks
*July 23, 2008 by Hector*

**math**

determine the equation of the image y = root x in each case a) its graph is compressed horizontally by a factor of 1/4 b)its graph is expanded vertically by a factor of 2
*September 15, 2008 by Anonymous*

** ap Calculus**

A right circular cone has a fixed slant height, s= 12 inches. Determine the radius and the height of the cone with maximum volume
*November 5, 2008 by Corey*

**precal**

use the half angle formula to determine the exact values of sin, cos, and tan of the angle. pie/8 and pie/12
*February 24, 2009 by trista*

**math**

how would you determine the eccentricity of the conic section when represented by the equation ax^2+cy^2+dx+ey+f=0 if the equation represents an ellipse and then when it represents a hyperbola.please help.
*May 8, 2009 by mike*

**social studies**

determine and use ethical procedures aplicable to the inquiry? what does this mean?? for a report on religions. i need 5 ethical procedures HELP!!
*June 17, 2009 by marnie*

**Math**

Determine the validity of the argument> Martians are green. Roger is not green. Therefore Roger is not a Martian. I say this is valid. Is this correct?
*July 21, 2009 by B.B.*

**math 115**

1. determine whether the pair of fractions is proportional 4/6=8/12 yes, is this correct/ 2. find the unit price for the item.$54.70 for 5 !@#$%^&rs $10.94 unit. is this correct?
*September 5, 2009 by Lea*

**Math**

Explain which method you would use to determine whether the following proportion is true or false. Show how you know that it is true or false.19/6=4/27
*October 17, 2009 by Anonymous*

**physics**

In the photoelectric effect, does brightness or frequency determine the Kinetic energy of the ejected electrons? Which determines the number of the ejected electrons?
*December 5, 2009 by coach*

**math**

A standard IQ test has a mean of 98 and a standard deviation of 16. We want to be 99% certain that we are within 8 IQ points of the true mean. Determine the sample size
*February 14, 2010 by Tneshia*

**Trigonometry**

Cos D= -3/4. if the sine of the angle is positive, find the sine of the angle and determine the quadrant. Can anyone tell me the steps. I need to learn this.
*February 18, 2010 by Laly*

**Chemistry**

If the temperature of a solution goes from 27 degrees celcius to 36 degrees celcius for a 5,0 g sample, how would you determine the energy produced by the reaction?
*April 27, 2010 by Roberta*

**math**

if f(x)is greater or equal to 10x–42 but less than or equal to x2+2x–26 determine limx4f(x) = What theorem did you use to arrive at your answer?
*August 11, 2010 by Jin*

**math**

a is the set of siamese cats b is the set of cats how do I determine whether the pairs of sets are equal, equivalent, both or neither?
*August 11, 2010 by Katherine*

**math**

if f(x)is greater or equal to 10x–42 but less than or equal to x2+2x–26 determine limx4f(x) = What theorem did you use to arrive at your answer?
*August 11, 2010 by Jin*

**geometry**

Find the degree measure on an angle whose complement twelve twenty-sevenths of its supplement. Determine the angle's complement?
*September 7, 2010 by gio*

**Algebra**

For f (x) = x4 – 2x2 – 7, use the Intermediate Value Theorem to determine which interval Must contain a zero of f. A. Between 0 and 1 B. Between 1 and 2 C. Between 2 and 3 D. Between 3 and 4
*November 22, 2010 by Help please*

**math**

Determine if the relationship represented is linear. x=5,10,15,20,25,30 and y=50,60,70,80,80,90 I could not find a relationship that worked for all the numbers so I would say it is not linear. Correct?
*January 20, 2011 by m*

**Calculus**

Find the slope m of the tangent line to the graph of the function at the given point and determine an equation of the tangent line. f(x) = 7 x - 2 x^2 text( at ) \(-1,-9\) m = y =
*January 31, 2011 by George A.J*

**Calculus PLEASE HELP**

Find the slope m of the tangent line to the graph of the function at the given point and determine an equation of the tangent line. f(x) = 2 x - 4 x^2( at ) (-2,-20) m= y=
*February 4, 2011 by Anonymous*

**Physics**

A piston, A, has a diameter of .87 cm. A second piston, B, has a diameter of 5.6 cm. Determine the Force "F" necessary to support the 850 N weight in the absence of friction.
*March 2, 2011 by Cassie*

**Chemistry **

1- Determine the [OH-] and pH of a solution that is .250 M in HCO-3 2- Calculate the [H3O+] and pH of each polyprotic acid solution: a) .125 M H2CO3 b) .125 M H3C6H5O7
*March 14, 2011 by Joey*

**Chemistry**

If you have constant volume of gas how can you determine the number of moles it has? what equation do you use if your not given the constant volume value?
*March 29, 2011 by Sarah*

**Calculus**

Determine the points of inflection of the function. f(x) = x + sin x (−2π ≤ x ≤ 2π) I'm still completely confused
*March 30, 2011 by Starr*

**chemistry**

Determine the Molarity of a 125 mL NaOH solution if upon titration with 5.5 mL of an 2.5 M HCl solution, the end point of the titration was reached
*June 15, 2011 by liz*

**trig**

the angle in one regular polygon is to that in another as 3:2 and the number of the sides in first is twice that in second determine the the number of sides of 2 polygons
*June 19, 2011 by seema*

**math**

An equilateral triangle is inscribed in a circle. The radius of the circle is 21 in. Determine the side length of the triangle to the nearest 10th of an inch
*June 20, 2011 by Leasha*

**Physics **

A spring scale has a spring coefficient of 400 n/m. Determine the mass of an object if it causes the scale's platform to sink .08m.
*July 18, 2011 by Edward*

**Physics**

In a total time of 25s, a field hockey player runs 25 m [26 degrees N of E] and then runs 32 m [18 degrees S of E] determine her average velocity.
*September 10, 2011 by Elizabeth*

**math modeling**

Determine the annual interest rate r required for an investment with continuous compound interest to yield an effective rate of 9.94%.
*October 25, 2011 by math *

**philosophy**

Truth tables can determine which of the following? (Points : 1) If an argument is valid If an argument is sound X If a sentence is valid All of the above
*October 26, 2011 by bean*

**Gr. 9 Math**

The line segment joining each pair of points has given slope. Determine each value of x. Draw each segment on a grid. a) A(-1,2), B(x,6) slope 1/2
*December 3, 2011 by Vanessa*

**statistics**

A standard IQ test has a mean of 98 and a standard deviation of 16. We want to be 90% certain that we are within 8 IQ points of the true mean. Determine the sample size.
*December 8, 2011 by kat*

**Chemistry**

Determine the volumes of 1 M acetic acid and 1 M NaOH required to make a 200mL 0.1 M buffer with a pH of 5.5. (Assume the pKa of acetic acid is 4.76).
*January 15, 2012 by Rachel*

**Chemistry**

Determine the mass of CuSO4.5H20 needed to make 100.00mL of a .100M CuSO4.5H20 aqueous solution..
*February 2, 2012 by Neha*

**college algebra**

an isosceles triangle has at least two sides of equal length. Determine whether the triangle with vertices (0,0), (3,4),(7,1) is isosceles.
*February 2, 2012 by john*

**LANG**

Determine whether the definition below is connotative or denotative. gray: a cold, gloomy day A. connotative B. denotative I GOT A
*February 18, 2012 by kesha*

**math**

this years funderaiser picnc is $10 per person plus $2 for each person in the family. determine the number of people in a family that pays $36?
*February 23, 2012 by taylor*

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