Saturday

October 22, 2016
Number of results: 45,359

**math**

circle has a center at (-8,-4) and circumference of 32.determine equation of the circle

*March 29, 2011 by Anonymous*

**algebra**

How do you determine the point of a solution of the system.The point is 46, 0 2x+10y+92 -6x-2y=24

*May 11, 2011 by diane *

**Algebra**

The area of a triangle is 2x^2+5x+3. The height is 4x+6. Determine the base of the triangle.

*October 13, 2011 by Rebecca*

**calculus**

Determine where the given function is concave up or where it is concave down: f(x)=9x/x^2+49

*November 21, 2011 by Alex*

**calculus**

Let f: R®R be defined by Determine whether or not f is a) one-to-one b) onto

*December 11, 2011 by Anonymous*

**Calculus**

Determine the point on the curve y^2=4x that is closest to the point (1,0) a) (0,0) b) (1,2) c) (0.5,sqrt of 2)

*March 5, 2012 by Jessica*

**Math**

Determine the equation for the following: The line with x-intercept of 4 and y-intercept of 2

*March 13, 2012 by Emma*

**GEOMETRY**

Determine AU (CUB) start by finding C' and B' then find CUB

*July 2, 2012 by angela *

**math**

Determine where the function is concave upward and where it is concave downward. g(x)=-x^2+7x+9

*November 2, 2012 by Britney*

**calculus**

Let f(x)=ax^3+6x^2+bx+4. Determine the constants a and b so that f has a relative minimu at x=-1 and a relative maximumat x=2.

*March 6, 2013 by Cam*

**Calculus**

Determine the function is concave upward and where it is concave downward f(x)= x / (x+1)

*March 20, 2013 by Cam*

**Math**

How can you use a right angle to determine the classification of another angle?

*April 17, 2013 by Sharon*

**HELP! Geometry**

Determine the slope of a line perpendicular to the line shown. (3,5) and (7,-8) A. -4/13 B. 13/4 C. -13/4 D. 4/13

*September 4, 2013 by Unknown*

**Math**

A sequence is given by Un=a(1-2n).determine the first 3 term of sequence

*January 19, 2014 by Dammy*

**maths**

if sin A = 3/5 and cos A is less than 0,determine the value of sin (-A)

*March 7, 2014 by sbonelo*

**Maths**

Determine the eigenvalues of the following matrix ( −4 1 −3 0 8 2 0 0 7 )

*April 23, 2014 by Olumide desiyan*

**calculus**

A parallelogram is determined by the vectors a = [-2, 5] and b = [3, 2]. Determine the diagonals of the parallelogram.

*August 16, 2014 by Liz*

**Chemistry**

How do I determine the quantity (g) of pure MgSO4 in 2.4g of MgSO4.7H2O

*March 20, 2015 by Debbie*

**ALGEBRA PLSSSSSS**

For the function f(x)=(8-2x)^2, find f^-1. Determine weather f^-1 is a function.

*April 15, 2015 by allexelle*

**Slope**

Can you teach me how to determine the slope using the equation below? y=6x+3

*August 18, 2015 by Jina*

**chemistry **

Determine the quantity (g) of pure CaCl2 in 7.5 g of CaCl2•9H2O.

*October 27, 2015 by lee*

**chemistry**

Determine the quantity (g) of pure CaCl2 in 7.5 g of CaCl2*9H2O

*November 16, 2015 by ali*

**economic**

the demand function, P=20-0.5Q Determine the price elasticity of demand when P=2

*July 25, 2016 by EMERIC*

**Chemistry**

I would really appreciate some help with this thermochemistry problem! I'm really confused as to why I keep getting the wrong answers... I have gotten w=-1.305kj and energy change = 78.13kj... both of which were marked wrong. Here's the question: The oxidation of copper(I) ...

*November 3, 2013 by DC*

**Science/English**

writeacher, I urgently need the help of a science expert to help me determine the possible scientific objectives (biochemical) of a project on biodiversity on water. What else can be included? The project is addressed to 16-year-old students with an intermediate level of ...

*January 26, 2012 by Henry2*

**English-Writing**

Many students fear the thought of college. It is not only the transition from high school that intimidates them, but large classrooms, two hour seminars, and worse part, the fear of failure is what keeps them from going. Hence either take shorter hours, gap years, or some even...

*October 7, 2011 by HM*

**French #2**

Can someone please check my work? Last Saturday different people did different things. Explain what each one did by completing the sentences with the appropriate "passé composé" forms of the verbs in the list. Be logical. acheter assister ranger laver nettoyer rencontrer ...

*May 12, 2009 by Larry*

**Chemistry revision**

all these questions I got wrong on my homework today ...I'm trying to find out why and what the correct answers were .. please help How many grams of solute are required to make a 504 mL solution of copper (I) nitrate with a concentration of 1.3317 M? before I had help and was...

*April 29, 2013 by Tif*

**Math**

Hello, I need to use a matrix to solve this but am stumped on how to do it. All I need is a little nudge to push me in the right direction. Please help. Thank you You have been hired as a consultant for Crazy Al’s Car Rentals, a new car rental agency in the city of Metropolis...

*September 30, 2015 by Andres*

**Physics**

PLEASE help! This is due tomorrow, and I really need to know how to do it. A ball of mass 0.6 kg, initially at rest, is kicked directly toward a fence from a point 20 m away, as shown below. The velocity of the ball as it leaves the kicker’s foot is 18 m/s at angle of 58◦...

*September 9, 2015 by Anonymous *

**tricky math**

consider the right triangle with sides 3,4,5. Notice that the lengths of the sides form an arithmetic sequence. a. determine three other right triangles wtih side lengths in arithmetic sequence. b.let the sides of a right triangle be a, a+d,a+2d units long. Use the pythagorean...

*December 21, 2006 by Aerial*

**Physics**

A person must move two heavy packages over a surface level so they place a 20kg package over a 30kg package and decide to move them together. The coefficient of kinetic friction between the lower package and the ground is 0.3. The person exerts a force of 400N at an angle of ...

*April 7, 2008 by Alex*

**Quadratic Equations and Functions**

I started having trouble on part (c), and I need to know this before I can go onto the other problems. Plz help! The parabola shown at the right (no picture, sorry) is of the form y=x^2+bx+c. The graph's y-intercept is (0,2), the axis of symmetry is -2.5 and the two points ...

*February 4, 2007 by Emily*

**finitemath.application. help me plz!**

In 2004 median earnings including commissions, for car salespersons was $18.61 per hour or $744.40 per week. Dan received $400 per week for selling new and used cars. In addition, he receives 5% of the profit on any sales he generates. (a) write an equation that relates Dan's ...

*June 22, 2010 by shasha*

**Algebra (word problems)**

1) a small pipe can fill a tank in 16 min more time than it takes a large pipe to fill the same tank. Working together, both pipes can fill the tank in 6 min. How long would it take each pipe working alone to fill the tank? 2) a car travels 240 mi. a second car, travelling 12 ...

*December 12, 2007 by Colin*

**hypothesis testing by mean levels **

hi everyone... i have this homework.. i tried to solve it... can anyone check if it's right or not, please?? Question: The maximum acceptable level of a certain toxic chemical in vegetables has been set at 0.2 parts per million (ppm). A consumer health group measured the level...

*November 10, 2010 by lubna*

**Biology**

I need to find a way to measure protein concentration. It's for part of my infection and immunity lab report. We've done about radial immunodiffusion calculating the concentration of bovine serum albumin in unknown samples, and the last question is: What other techniques could...

*February 6, 2008 by Abbie*

**physics**

The lead female character in the movie Diamonds Are Forever is standing at the edge of an offshore oil rig. As she fires a gun, she is driven back over the edge and into the sea. Suppose the mass of a bullet is 0.012 kg, and its velocity is +715 m/s. Her mass (including the ...

*November 9, 2011 by Kelsey*

**My Retyped Algebra Post**

1. Use the arithmetic sequence of numbers 2,4,6,8,10.. to find the following: a)What is d, the difference between any consecutive terms? Answer: Show work in this space: b)Using the formula for the nth term of an arithmetic sequence, what is 101st term? Answer: Show work in ...

*April 19, 2007 by Antonio*

**chemistry**

When 1.24g of an organic compound with the formula CxHyOz is burned in excess oxygen, 1.76g of carbon dioxide and 1.08g of water vapor are obtained. What is the empirical formula of the compound? Determine the moles of CO2 in 1.76grams, that will give you the moles of C in the...

*August 23, 2005 by kevin*

**Art**

I urgently need your help for two main reasons, Writeacher. 1) First, how would you express the following concept when presenting the programme for an exam: total (complete?)reading of the abdridged edition of Orwell's 1984. 2) Second, I need to find the paraphrase (and ...

*May 6, 2012 by Frank*

**Civics**

1. Montesquieu’s system of “separation of powers” means that government is divided into three branches. people are born with rights that cannot be taken away. government may rule because the citizens consent. people have the right to life, liberty, and property. 2. How were ...

*January 10, 2013 by A*

**In-class presentation (history)**

Hi Look, I'm stuck. I've been trying to get an idea all week. The last thing that I want to do is use a powerpoint as my visual aid. In fact i've removed it from even being considered. At one point I thought about doing a video confrence or asking people-on-the-street what ...

*August 9, 2011 by Em*

**Physics**

A mass is vibrating at the end of a spring of force constant 225 N/m. On a position x vs time graph, how do you determine: How much energy did this system originally contain?

*November 15, 2007 by Marie*

**Calculus**

f(x) = (ax+b)/(x^2 - c) i) the graph of f is symmetric about the y-axis ii) limit as x approaches 2+ of f(x) is positive infinity iii) f'(1) = -2 Determine the values of a, b, c I got that c = 4 from the first i). I'm stuck on the second one because f(x) = f(-x) (ax+b)/(x^2 - ...

*November 27, 2007 by Cat*

**Science**

How might you determine whether or not your toothpaste contains calcium carbonate, CaCO3, or perhaps baking soda, NaHCO3, without looking at the ingredients label?

*March 11, 2008 by Nancy*

**chemistry**

What am I doing wrong? If a current of 54 A flows into a cell for 45 minutes 30 s, determine the mass of chronium deposited. My answer: 54 x 2730 s = 147420 147430/96485 = 1.52 mols m = n x M =1.52 x 52 = 79.5

*April 22, 2008 by Amandeep*

**calculus**

a piece of wire 12 inches long is to be used to form a square and or a circle.determine a function that expresses the combined area of both figures.what is its domain?

*August 26, 2011 by natasha*

**music**

I am trying to determine what intervals are in the beginning of 2 melodys-one from The March of the Siamese Children and the other from From Russia With Love from James Bond-any insight is appreciated.

*March 3, 2009 by Kate44*

**Algebra**

Determine the equation of the line containing the points (-2,5) and (-1,6) f) y = x + 7 g) y = -x + 5 h) y = -x + 7 j) y = 1/3x + 19/3 k) y = x + 5 I know it must be either f) or k), because I figured out that the slope is 1. But it never mentions about the y-intercept, so is ...

*March 4, 2009 by Cassie*

**Physics**

There is a flash of lighting that gives out a 25 C of negative charge from cloud to ground. Determine the amount of electrons involved? Do i use the formula F=qE I know one coulomb is 1.6 * 10 ^-19

*August 5, 2009 by Josh*

**pre-calculus**

Determine the center and the radius of the following circle: x^2+y^2+8x-2y=8 so I figured I'd use completing the square after putting it in standard form: (x^2+8x)+(y^2-2y)=8 I'm not sure where to go from here.

*September 18, 2009 by muffy*

**it**

A project contains Analysis, Definition, Design, Implementation, Maintenance, and Support phases. How do we determine what tasks are assigned to each phase? Provide examples to illustrate your comments.

*November 23, 2009 by meme*

**trig**

Use substitution to determine whether the given x-value is a solution of the equation: sin x = -2sqrt3/3, x=4pi/3 A) Yes B) No C) More information is needed D) The problem is indeterminate

*December 17, 2009 by Steve*

**trig**

Use substitution to determine whether the given x-value is a solution of the equation: sinx = -3sqrt/2, x=4pi/3 A) Yes B) No C) More information is needed D) The problem is indeterminate

*December 17, 2009 by Steve*

**chemistry**

Using the balanced equation, determine the number of NaNO3 units in the visualization in the reaction. 3Ca(NO3)2(aq) + 2Na3PO4(aq) → 6NaNO3(aq) + Ca3(PO4)2(s)

*January 20, 2010 by eng*

**math**

im doing corespondence and i tried for days to figure this out and i cant can anyone help?? Determine the amount of each investment? $400 at 9% compounded semi-annually for 2 years i just need that answer and how too get it then i can do them thank you

*July 31, 2010 by kristen*

**Calculus**

Determine how much time, to the nearest tenth of a year, is required for an investment to triple in value if interest is earned at the rate of 3.5% compounded continuously. (use A=Pe^rt

*September 20, 2010 by Jessica*

**Math**

The points A(1, -2, 4), B(3, 5, 7), C(4, 6, 8) are three of four vertices of parallelogram ABCD. Determine the coordinates of vertex D Could someone please tell me to go about solving this question. Thanks a lot.

*September 30, 2010 by Dwight*

**Math**

The points A(1, -2, 4), B(3, 5, 7), C(4, 6, 8) are three of four vertices of parallelogram ABCD. Determine the coordinates of vertex D Could someone please tell me to go about solving this question. Thanks a lot.

*September 30, 2010 by Dwight*

**Math**

The points A(1, -2, 4), B(3, 5, 7), C(4, 6, 8) are three of four vertices of parallelogram ABCD. Determine the coordinates of vertex D Could someone please tell me to go about solving this question. Thanks a lot.

*October 1, 2010 by Dwight*

**Math**

The points A(1, -2, 4), B(3, 5, 7), C(4, 6, 8) are three of four vertices of parallelogram ABCD. Determine the coordinates of vertex D Could someone please tell me to go about solving this question. Thanks a lot.

*October 1, 2010 by Dwight*

**math163**

Please i need all the process.. thank you.. for the polynomial, list each real zero and its multiplicity. determine whether the graph crosses or touches the x-axis at each x-intercept. f(x)=1/2x^4(x^2-5)(x+1)

*March 1, 2011 by albert*

**Chemistry**

Assume that it is necessary to determine the [Fe3+] in a solution that may be in the .0001 to .0005 M range. Outline a spectrophotometric method that would accurately give the required data?

*March 10, 2011 by Kirsten*

**math**

A family's plan to retire in 15 years and expect to need $500,000. Determine how much they must invest at 7.6% compounded annually to accomplish their goal.

*July 30, 2011 by Anonymous*

**Physics**

use the face that the speed of light in a vacuum is about 3.00 x10^8 m/s to determine how many kilometers a pulse from a laser beam travels in exactly eighteen hours

*September 8, 2011 by John*

**physics**

A sphere is fired downwards into a medium with an initial speed of 40 . Part A If it experiences a deceleration of , where is in seconds, determine the distance traveled before it stops.

*September 19, 2011 by Massiel*

**Chemistry**

Draw a Lewis dot diagram for NF2H and use the oxidation state method of electron bookkeeping to determine how many electrons each atom should be assigned.

*November 21, 2011 by Kali*

**human resources**

Imagine your business has grown to $3M+ in sales and 50+ employees. Determine if another form of ownership would be more appropriate. Explain the reasoning behind your decision

*January 25, 2012 by meka*

**math**

The business school Dean wants to determine if the future plans are significantly different for the three majors at a level of confidence of at least 90%. what test would be recommended?

*February 18, 2012 by Tonya*

**physics**

Taking R = 1.00 k Ω and ∑ 250 V in Figure P28.25, determine the direction and magnitude of the current in the horizontal wire between a and e. google this to find picture

*February 23, 2012 by bel *

**physics**

The relative humidity is 55% on a day when the temperature is 30.0°C. Using the graph below, determine the number of moles of water vapor per cubic meter of air

*March 4, 2012 by Katy*

**MTH214**

Determine the height of a tower if it casts a shadow 156 ft long on level ground when the angle of elevation of the sun is 20°. (Round your answer to the nearest hundredth)

*April 16, 2012 by Amy*

**Technology**

Design the defining diagram, hierarchy chart and the algorithm that will determine the percentage sales commission earned on loyalty customers' purchases from a customer file.

*May 12, 2012 by Devi*

**Physics(Please help)**

Determine the final speed assuming that the time elapsed since t=0 is 2.4s. Initial velocity is +12m/s acceleration is +3.4m/s^2 I tryed doing 12/2.4 and then 12/3.4 but both of these were incorrect? I am not sure what to do. Thank you.

*May 27, 2012 by Hannah*

**math**

Determine the comparable interest rate for a $50,000 loan when the quoted information is 11.8% + 0.5 pt + $300. (Round your answer to two decimal places.) 1 % I don't understand how to do this problem

*August 25, 2012 by Anonymous*

**science**

determine the period of motion when a ball dropped from a height of 4.40m makes a perfectly elastic collsion with the ground without any mechanical energy lost

*October 5, 2012 by Anonymous*

**Chemistry**

Determine the amount (in grams) of boron that when substitutionally incorporated into 1 kg of silicon will establish a charge carrier density of 3.091×1017 carriers/cm3.

*November 19, 2012 by selly*

**Computer Science (Programming Logic And Design)**

How do i Create a program that determine the shipping cost for an order based on the following chart: From To Price $0.00 $19.00 $2.95 $20.00 $49.99 $3.95 $50.00 $74.99 $4.95 $75.00 $1000.00 $Free

*December 2, 2012 by Derek Smith*

**Programming Languages (Computer Logic and Design)**

Create a program that determine the shipping cost for an order based on the following table: From To Price $0.00 $19.99 $2.95 $20.00 $49.99 $3.95 $50.00 $79.99 $4.95 $75.00 $1000.00 Free

*December 2, 2012 by Darius*

**Programing using Raptor ( Computer Logic)**

Create a program that determine the shipping cost for an order based on the following 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 3, 2012 by Adam*

**Programming Languages (Computer Logic and Design)**

Create a program that determine the shipping cost for an order based on the following 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 4, 2012 by Anonymous*

**Math**

if you have 200 feet of fencing to enclose four adjacent rectangular enclosures. Determine what demensions should be used so that the enclosed area will be maximized.

*December 10, 2012 by Christina*

**ASAP CHEMISTRY**

Determine the molar mass of the following: 0.94g of a gas that occupies 500L at 0 degrees celcius and 1.00 (STP). I keep getting 32g/mol

*December 13, 2012 by Steph*

**THEORY OF MACHINE**

A steel block 200 mm * 20 mm* 20 mm is subjected to a tensile force of 40 KN in the direction of its length. Determine the change in volume, if E is 205 KN/mm² poissions ratio = 0.3

*January 12, 2013 by rajesh jain*

**Physics**

suppose that two point charges each with a charge of +1 coulomb are seperated by a distance of 1 meter will they attract or repel ? determine the magnitude of the electrical force between them

*January 16, 2013 by Quinn*

**Physics **

suppose that two point charges each with a charge of +1 coulomb are seperated by a distance of 1 meter will they attract or repel ? determine the magnitude of the electrical force between them

*January 16, 2013 by Anonymous*

**Physics**

A 80kg football player stands at the end of a uniform 8m, 50kg diving board supported as shown. Determine the forces exerted by the two supports.

*January 26, 2013 by Kiffinee Smith*

**Math**

The invested in a bank savings accouint is coumpounded continousl, with an annual interest rate of 3%. If a deposit of $2000 is made, then determine the balance after 2 years

*April 22, 2013 by Emily *

**Solid Mechanics**

A steel block 200 mm X 20 mm x 20 mm is subjected to a tensile force of 40 kN in the direction of its length. Determine the change in volume, if E is 205 kN/mm2 and Poisson's ratio = 0.3.

*July 25, 2013 by Anonymous*

**chemistry**

Use Henry's law to determine the molar solubility of helium at a pressure of 1.2atm and 25 ∘C. Express your answer using two significant figures.

*September 22, 2013 by Anonymous*

**Chemistry**

If 3.943 g of anhydrous salt remains after heating 5.00 g of CuCℓ2·xH2O, determine the number of molecules of water of hydration in the original hydrate.

*February 24, 2014 by Roxanne*

**Probability**

Assume Z has a standard normal distribution. Use Appendix Table III to determine the value for z that solves each of the following: (Round your answer to 2 decimal places.) P(Z<z)=.9 P(Z<z)=.5

*March 21, 2014 by ash*

**eviromental science **

Using two or three well-developed paragraphs, explain how temperature and precipitation determine which plants grow within an area and give an example.

*March 27, 2014 by dallas*

**Physics**

A small charge that has lost 5.0 X 10^3 electrons and has a mass of 2.0 x 10^-6 kg experiences an acceleration of 15ms^2 when placed at a point P in space. Determine the magnitude and direction of the electric field at P

*June 4, 2014 by James*

**Environmental Science**

Using two or three well-developed paragraphs, explain how temperature and precipitation determine which plants grow within an area and give an example.

*July 7, 2014 by Yazmen*

**physics**

A 75-g piece of aluminum at 89 °C is dropped in 1.0 L of water at 1.3 101 °C, which is in an insulated beaker. Assuming that there is negligible heat loss to the surroundings, determine the equilibrium temperature of the system

*December 8, 2014 by charles*

**Pre-Calculus (Trigonometry)**

An angle in standard position such that sinÈ = 5/13. Determine the possible values of È, to the nearest degree. Answer: I got 23°. (How do I get the second one?)

*February 22, 2015 by Lucina*

**physics**

Determine the minimum size of a mirror that a lady 1.2m tall will buy to be able to see her full height if her eyes are placed 6cm from the top of her head

*August 11, 2015 by adaga*

**Math**

Rectangular courtyard is 57m 50cm and 22m broad. Determine the least possible number of square stones of the same size required to pave it.

*September 3, 2015 by Noor*