Tuesday

February 9, 2016
Total # Posts: 245

**math**

Find the largest angle for which sine and tangent agree to within two significant figures. Please explain ^_^
*August 28, 2009*

**math b**

the vertices of triangle ABC are A(-2,3), B(0,-3), and C(4,1). prove, by means of coordinate geometry, that the median to side BC is also the altitude to side BC.
*May 25, 2009*

**social studies**

what is causing nuclear proliferation? what is being done to prevent it?
*May 24, 2009*

**MATH**

2/13 for the red marbles and 3/13 for the rest of the marbles
*April 21, 2009*

**spanish**

plz help
*March 28, 2009*

**spanish**

how do you say: This mourning i was wonken up by the sounds of the birds calling my name. I stood up with a smile to get on with my day.... in spanish
*March 28, 2009*

**Russian Literature**

I have to write out a thesis and outline about how Russians view American medical technology/advancements/procedures/doctors. I have no idea how to start this and how to prove my topic. Here is the magic thesis statement: By looking at ________, we can see ________, which most...
*March 22, 2009*

**algebra**

-2+3b
*March 19, 2009*

**English**

the first one makes the most sense
*March 19, 2009*

**science-biology**

name two processes for which DNA is responsible for what are the three components to a DNA nucleotide
*March 19, 2009*

**spelling**

will+not=won't
*March 19, 2009*

**math b**

solve each system of equations algebraically: x^2+y^2=18 x+y=4
*March 5, 2009*

**math b**

yes
*March 5, 2009*

**math b**

solve each system of equation algebraically: x2+y2=18 x+y=4
*March 5, 2009*

**spanish**

how do you say: "i like my rabbit and guinea pig"
*February 22, 2009*

**english**

how do you do a gerund phrase as the subject?
*December 9, 2008*

**6th grade**

if i have 152 dollars with a discount of 20 percent whant would the total be?
*November 16, 2008*

**research writing**

Finding, Evaluating, and Utilizing Credible Information; Appropriate Style Guidelines; the Center for Writing Excellence; and the completed Appendix D Complete an annotated bibliography of the sources you plan to use in your research paper. Answer the following question: What ...
*September 30, 2008*

**Math**

How would you work this problem? Thanks! Josie paid $72.00 for a baseball glove. Price reflected 10% discount off regular price. What was regular price?
*September 9, 2008*

**math**

Find the rate: 392feet/8second
*September 4, 2008*

**chem 111**

What is the molarity of a solution of 10.0% by mass cadmium sulfate, CdSO4 (molar mass = 208.46 g/mol) by mass? The density of the solution is 1.10 g/mL.
*August 26, 2008*

**Algebra**

x^2+4x-24/x-3
*August 1, 2008*

**Maths**

hello Can someone please help me with solving simultanaous equations using graphs My problem is that i don't know how to plot them on the actal graph and nor I know how to plot the gradient withing this paticular situation I need help with some steps please MY IGCSE's ...
*May 3, 2008*

**chemistry**

1. what do the spectral lines represent in the bohr atomic model? 2. What do the black spaces represent in the Bohr atomic model?
*March 18, 2008*

**History**

How exactly did the invention of the cotton gin affect the constitution? I know it increased the cotton production and slaves but i don't see how ti did anything for the constitution.
*September 17, 2007*

**anthropology**

what does it mean when my teacher says write an essay that explores how issues surrounding diversity and culture inform your understanding of cultural anthropology....i totally dont understand the question ...like what could be an example?
*September 12, 2007*

**college algebra**

D.
*August 27, 2007*

**factoring**

I cannot figure these out.Can someone Factor completely: 3x2 - x - 4 I suppose this is actually 3x^2 -x-4 If so: (3x-4)(x+1) Now I'd like you to look at the following website: http://tutorial.math.lamar.edu/AllBrowsers/1314/Factoring.asp
*May 23, 2007*

**factoring**

Factor completely: 2x2 – 50 To indicate x squared, use this notation — x^2. 2x^2-50 = 2(x^2-25) You should be able to continue the factoring with the site that Lance has given you. I hope this helps. Thanks for asking.
*May 23, 2007*

**Can someone please help**

Can someone show me how to find the sum of this equation and put it in it's simpliest form? (x^2)/(x^2-25)+(7x+10)/(x^2-25) They have a common denominator: x^2-25 which can factor to (x+5)(x-5) The numerator will add to x^2+7x +10 which can factor to (x+5)(x+2) Notice the ...
*May 23, 2007*

**math**

The head of an industrial machine moves in a straight line horizontally backwards and forwards from a central position. The movement can be modelled using the sine wave d = 80 sin ( pie t), where d is the horizontal distance (in cm) from the central starting position, and t is...
*April 30, 2007*

**math**

Which three options are true about motion in a straight line. A. A particle which moves at an increasing velocity has a constant acceleration. B. If two particles always have the same velocity as each other, their separation does not change. C. A particle which has zero ...
*April 30, 2007*

**math**

The head of an industrial machine moves in a straight line horizontally backwards and forwards from a central position. The movement can be modelled using the sine wave d = 80 sin ( pie t), where d is the horizontal distance (in cm) from the central starting position, and t is...
*April 30, 2007*

**math**

Which three options are true about the quadratic equation?? y= 4t^2 + 16t + 18 A. The graph has a minimum. B. The graph of y crosses the horizontal axis at t = 10 and t = 20. C. The equation 4t^2 + 16 + 18 = 6 has one real solution. D. The function has a maximum at t = 10 E. ...
*April 30, 2007*

**math**

Which three options are true about the quadratic equation?? y= 4t^2 + 16t + 18 A. The graph has a minimum. B. The graph of y crosses the horizontal axis at t = 10 and t = 20. C. The equation 4t^2 + 16 + 18 = 6 has one real solution. D. The function has a maximum at t = 10 E. ...
*April 28, 2007*

**english**

In the sentence Rosie sang in the play about the Statue of Liberty. What would be the prepostional phrases. I need this before tomorrow and 8 o'clock tonight. Thank you for using the Jiskha Homework Help Forum. When in doubt as to a part of speech, any dictionary will tell...
*April 12, 2007*

**chemistry**

If there are 80 milligrams of a radioactive element decays to 10 milligrams in 30 minutes then what is the elements half life in minutes? Ok i narrowed it down to either 10 or 30...but im rly confused so if u could help it wuld be grea 80 40 1 min 20 2 min 10 3min looks like ...
*March 4, 2007*

**Chemistry**

For my homework the question is... What is the half life of polonium 214 if a 1 gram sample decays to 31.25mg after 820 seconds? Im not sure how you arrive at the answer, my friend says the answer is 5 but were not sure how to do it..thanks for any help u may have ln(No/N)= kt...
*March 4, 2007*

**Science**

A force of 100 newtons was necessary to lift a rock. A total of 150 joules of work was done. how far was the rock lifted? Work=force*distance. solve for distance in meters. plesa help me on my homework come on do it plesa plesa plesa is my last time
*March 3, 2007*

**Intro Accounting - HELP**

3. Dr. Colin Modella, an music history professor at the University of Arizona, supplements her income by selling cappuccino on campus to students and other faculty members when she is not teaching, doing research, creating curriculum, or attending committee meetings. She sells...
*February 21, 2007*

**Social Studies**

What is nunavuts nickname!!!
*February 8, 2007*

**English**

hi for my english project i have to draw a map of the war my character was in..My book was the things they carried so it was the vietnam war, i was wondering if you had any pictures of were the vietnam war was fought. The directions also say i need countries, cities and ...
*January 28, 2007*

**pre-algebra**

The perimeter of a triangle is 195 mm.If the lengths of the sides are consecutive odd integers,find the length of each side. what steps do i need to do in order to get the answre? Perimeter= L + L+2 + L+4 solve for L. That is the short side. THen add two for the next side, and...
*January 27, 2007*

**Linear Approximation**

Use linear approximation, i.e. the tangent line, to approximate 1/0.104 as follows: Let f(x)=1/x and find the equation of the tangent line to f(x) at a "nice" point near 0.104 . Then use this to approximate 1/0.104 . L(x)=f(a)+f'(a)(x-a)...i think. You're ...
*October 14, 2006*

**sociology/enviromental science**

Help me! Wow everyone on here from Axia UOP! Great The ETH 125 and SCI 275 are blowig my mind especially the SCI 275(enviromental) AGGGGGG Does anyone know how to do a risk assessment on Malathion????
*July 20, 2006*