Wednesday

September 28, 2016
Total # Posts: 243

**math**

Explain how you knew whether the sum was in simplest form in problem #1. 5 3/8 plus 2 1/4 (the fractions are mixed numbers)

*March 25, 2016*

**Physics**

A student on a piano stool rotates freely with an angular speed of 3.07 rev/s. The student holds a 1.38 kg mass in each outstretched arm, 0.759 m from the axis of rotation. The combined moment of inertia of the student and the stool, ignoring the two masses, is 4.72 kg·...

*March 22, 2016*

**Music**

I believe the answer to be drums. When the song/music is about to change in jazz band, the drummer usually does a crash or a fill.

*January 29, 2016*

**Algebra**

order the ratios from least to greatest. 1.) 6:3, 13 to 4, 19/2, 15 to 10, 8:2 2.) 7 to 15, 9:12, 6/18,5 to 9, 4/8

*January 25, 2016*

**Health Help Me!!**

i agree with "Whatever" if someone needs help, you should help them and other students who need ur help instead of giving them sass

*January 10, 2016*

**HEALTH PLEASE HELP!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!**

i know we should be doing our work on our own, but some people like me don't understand or really know health well. maybe next time, tell the student whoever is in need for the answers, maybe give them a helpful website to make them get the answers plus learn new things.

*November 25, 2015*

**math**

Ms.sue i got in adding 6,630 but in multiplitation i got 7,635.I Think the anwer is 7635

*November 12, 2015*

**math**

Is question multiplication or adding. Leoard read 85 Pages per day for 78 Days.How much did he read altogether?

*November 12, 2015*

**Math**

Stephania 50x50=2,500

*November 12, 2015*

**Science**

is it D?

*November 10, 2015*

**ART CHECKING!!! PLEASE CHECK IT!!! :(**

@cancer u were wrong! I got a 4/10. thanks now im at an F

*November 5, 2015*

**Physics **

If an Indian was to drive a 875kg buffalo over the edge of a 33 meter cliff with a horizontal velocity of 8.75 m/s, how far from the base of the cliff would the buffalo land?

*October 28, 2015*

**Physics**

An archer shoots at a target 60m away. If she shoots at a velocity of 55m/s [right 3degrees above the horizontal] from a height of 1.5m, does the arrow reach the target before striking the ground? What should the archer do to get her next shot on target? My teacher tells us to...

*October 27, 2015*

**Chemistry**

2 NO + 2 SO2 → 1 N2 + 2 SO3 Determine the mass (in g) of N2 that would be produced when 5.28×10-3 g of SO2 reacts with an excess of NO.

*October 25, 2015*

**math**

3/8 of the pizza is left for Jack.

*October 8, 2015*

**math**

8/8-5/8=3/8 :)

*October 8, 2015*

**Social Studies**

Are LOLOL answer's even right?

*September 15, 2015*

**science**

Annoymous were they all correct??

*August 31, 2015*

**Algebra 2 **

Can you write a binomial in standard form with a degree of 0? Can you write a binomial with a degree of 3?

*March 17, 2015*

**physics**

What is the mass if an elephant that has 45,000 J when it is moving 5.0 m/s

*December 30, 2014*

**Chemistry**

Naturally occurring magnesium consists of Magnesium-24 (23.9850 amu; 78.99%), Magnesium-25 (24.9858 amu), and Magnesium-26 (25.9826 amu). Using the average atomic mass from the periodic table, calculate the closest percent abundance of Magnesuim-26. a) 29.30% b) 8.993% c) 10....

*December 15, 2014*

**Statistics**

The proportion of students who own a cell phone on college campuses across the country has increased tremendously over the past few years. It is estimated that approximately 90% of students now own a cell phone and 10% do not own a cell phone. Fifteen students are to be ...

*December 3, 2014*

**chemistry**

how many ml of 0.5 M BaCl2 are needed to have 75 g of BaCl2?

*November 25, 2014*

**Integral Calculus**

A force of 4 pounds is required to hold a spring stretched 0.1 feet beyond its natural length. How much work (in foot-pounds) is done in stretching the spring from its natural length to 0.6 feet beyond its natural length?

*October 15, 2014*

**Math**

If 8 jump ropes and 4 dolls cost $64, and 4 jump ropes and 8 dolls cost $92, how much will 12 jump ropes and 12 dolls cost?

*October 1, 2014*

**spanish**

How do you ask..."have you been studying your driver's manual?" in Spanish

*July 1, 2014*

**Math**

The sum of the degrees of the interior angles of a triangle is _____ degrees What is the sum of the interior angles of a parallelogram ? What is the sum of the interior angles of a rhombus? What is the sum of the interior angles of a kite? What is the sum of the interior ...

*June 4, 2014*

**Math**

Circle the angle(s) that could never be the smallest angle of a triangle. 8 degrees 47 degrees 88 degrees 91 degrees

*May 7, 2014*

**Math**

Triangle ABC is an isosceles triangle with angle A= 40 degrees. Give three possible values for angle B

*May 7, 2014*

**Math**

47, 88, 91

*May 7, 2014*

**math**

in lucys bead collection 75% of the beads where red 12% are blue the rest are green she has 104 green beads how many are blue beads

*May 1, 2014*

**English**

It is a.c b.b c.c Ms. Sue is right! And you are too!!

*April 15, 2014*

**Global Studies (Please help)**

guys the answers are A D A I got a 100%.

*March 10, 2014*

**math pre algebra**

thanks!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! i have a test tomorrow and both of these will really help

*February 17, 2014*

**math pre algebra **

i need help with linear functions with ways to remeber them easier

*February 17, 2014*

**math**

From the foot of a building I have to look upwards at an angle of 22° to sight the top of a tree. From the top of a building, 150 meters above ground level, I have to look down at an angle of depression of 50° to look at the top of the tree. a. How tall is the tree? b...

*February 11, 2014*

**Math**

Anna it said 2 books that have 340 Pages. Hint:adding

*February 1, 2014*

**Math**

Thanks Damon. Yes, Chris collected $450 is a given. So if Chris collected $450, he walked 25 miles, correct. I'm having a hard time calculating the miles Lacy walked.

*January 23, 2014*

**Math**

Thanks:)

*January 23, 2014*

**Math**

How did you get 30?

*January 23, 2014*

**Math**

Thanks Damon. Yes, Chris collected $450 is a given. So if Chris collected $450, he walked 25 miles, correct. I'm having a hard time calculating the miles Lacy walked.

*January 23, 2014*

**Math**

Write an expression for the number of miles that Chris walked and an expression for the amount of money that Chris collected in pledges. Chris walked 5 miles less than twice the number of miles that Lacey walked. The students will collect $18 in pledges for every mile they ...

*January 23, 2014*

**physics**

A baseball of mass 0.145 kg approaches a bat at 40.0 m/s. After it is hit, the ball leaves the bat at 50.0 m/s directly back. Find the impulse of the bat on the ball.

*January 23, 2014*

**world civilizations**

12 is actually not D... it is either A or C!

*January 15, 2014*

**language arts**

the italicized words are "turning the corner" my answer was B. but just because it says that a gerund phrase starts with a word ending in "ing" doesnt mean that the sentence is nessicarlily correct,

*December 23, 2013*

**Science**

This helped me, thanks! btw it is in the lesson I found it.

*November 18, 2013*

**English**

its not c

*September 27, 2013*

**science**

Hey! That's just what I'm trying to figure out! Maybe you ca help me!

*September 25, 2013*

**Algebra**

Two cyclists leave towns apart at the same time and travel toward each other. One cyclist travels slower than the other. If they meet in hours, what is the rate of each cyclist?

*September 21, 2013*

**Algebra**

Two cyclists leave towns apart at the same time and travel toward each other. One cyclist travels slower than the other. If they meet in hours, what is the rate of each cyclist?

*September 21, 2013*

**Algebra**

Two cyclists leave towns apart at the same time and travel toward each other. One cyclist travels slower than the other. If they meet in hours, what is the rate of each cyclist?

*September 21, 2013*

**Science**

Someone help me urgently!! WTF does the Big Idea of Energy mean?!?!?! KS3 Wise!!! <33333

*September 11, 2013*

**math**

Can someone please show me how to estimate mixed numbers. An exsample like 6 and two thrids times 4 and one fifth. Also estimate by rounding to 0, 1/2, or 1. Exsample...5/8x9/10. I would appreciate any help I am in the 6th grade and me and math are not doing so well.....Thanks!

*February 5, 2013*

**art**

In what ways does Albrecht Dürer’s "Four Apostles" serve as an expression of the Protestant faith?

*February 5, 2013*

**grammer**

What is the prepostional phrase and the object it modifies in the following sentence . Energy stored in carbohydrates is released quickly.

*January 7, 2013*

**Calculus**

The solution says the the boundary for phi is from 0 to pi as well as the one for theta.

*December 17, 2012*

**Calculus**

Evaluate the integral by changing to spherical coordinates. The outer boundaries are from 0 to 1. The middle one goes from -sqrt(1-x^2) to sqrt(1-x^2) The inner one goes from -sqrt(1-x^2-z^) to sqrt(1-x^2-z^) for 1/sqrt(x^2+y^2+z^2) dydzdx I don't understand how to get the...

*December 17, 2012*

**Calculus**

Evaluate the integral by changing to spherical coordinates. The outer boundaries are from 0 to 1. The middle one goes from -sqrt(1-x^2) to sqrt(1-x^2) The inner one goes from -sqrt(1-x^2-z^) to sqrt(1-x^2-z^) for 1/sqrt(x^2+y^2+z^2) dydzdx I don't understand how to get the...

*December 16, 2012*

**Calculus**

Evaluate the integral by changing to spherical coordinates. The outer boundaries are from 0 to 1. The middle one goes from -sqrt(1-x^2) to sqrt(1-x^2) The inner one goes from -sqrt(1-x^2-z^) to sqrt(1-x^2-z^) for 1/sqrt(x^2+y^2+z^2) dydzdx I don't understand how to get the...

*December 16, 2012*

**Calculus**

Evaluate the integral by changing to spherical coordinates. The outer boundaries are from 0 to 1. The middle one goes from -sqrt(1-x^2) to sqrt(1-x^2) The inner one goes from -sqrt(1-x^2-z^) to sqrt(1-x^2-z^) for 1/sqrt(x^2+y^2+z^2) dydzdx I don't understand how to get the...

*December 16, 2012*

**Calculus**

Do you know why they divided it by 2?

*December 4, 2012*

**Calculus**

Find the parametric equations for the line of intersection of the planes x+y+z=3 and x-y+2z=2 I took the cross product of the 2 equations and got 3i-j-2k I then set z=0 and got x=5/2 and y=1/2. I got: x=5/2 +3t y=1/2-t z=-2t However, the answers are supposed to be: x=5/2-(3/2)...

*December 4, 2012*

**Calculus**

Find the parametric equations for the line of intersection of the planes x+y+z=3 and x-y+2z=2 I took the cross product of the 2 equations and got 3i-j-2k I then set z=0 and got x=5/2 and y=1/2. I got: x=5/2 +3t y=1/2-t z=-2t However, the answers are supposed to be: x=5/2-(3/2)...

*December 4, 2012*

**Calculus**

The equation I used is cos (phi)*sin(phi)*rho^2 d(rho)d(phi)d(theta) I misspelled it on the first message.

*November 28, 2012*

**Calculus**

Evaluate, in spherical coordinates, the triple integral of f(rho,theta,phi)=cos (phi) , over the region 3<rho<7, 0<theta<2pi, 0<phi<pi/3. I used the equation cos (phi)*sin(phi)*rho d(rho)d(phi)d(theta) with the given boundaries. I got -632*pi*sqrt(3)/12 But ...

*November 28, 2012*

**math**

write a quotient that give the same anwser as 4.65 divided by .12

*November 12, 2012*

**Algebra **

Solve the equation and inequalities f(x)=0 f(x)>0 f(x)<0 We have a graph and y = f(x)

*October 29, 2012*

**physics**

A tennis ball with a velocity of +9.6 m/s to the right is thrown perpendicularly at a wall. After striking the wall, the ball rebounds in the opposite direction with a velocity of -5.8 m/s (to the left). If the ball is in contact with the wall for 0.013 s, what is the average ...

*October 6, 2012*

**Math**

Masha You have to divde 81 divde 2=40.5

*October 3, 2012*

**Organic Chemistry**

Hmmm.. Darn. Well thanks for trying!

*September 16, 2012*

**Organic Chemistry**

h t t p : / / aceorganic . pearsoncmg . com / epoch-plugin / tempfiles / 1271 _ 1203. jpeg

*September 16, 2012*

**Organic Chemistry**

I had to put spaces between the url so I could post it. So you just need to delete all the spaces..

*September 16, 2012*

**Organic Chemistry**

Draw the most important resonance contributor of the following structure or compound. I'd think that the double bonded carbon would be the most important? Am I right? Thank you! h t t p : / / a c e o r g a n i c. p e a r s o n c m g. c o m / e p o c h - p l u g i n / t e ...

*September 16, 2012*

**math**

how can i use a tether board to help me in math?

*September 13, 2012*

**Math**

make an array for each of these sentences... 3*9=27 and 6*7=42

*September 5, 2012*

**Biology**

what is spontaneous generation How was it disproved

*August 30, 2012*

**Algebra 1B--Check Please!**

Thanks! so number two is wrong?

*June 7, 2012*

**Algebra 1B--Check Please!**

1.) Determine the equation of the axis of symmetry. y = -5x2 - x + 9 Answer 1.) x=3/2 2.) Determine the equation of the axis of symmetry. y = -6x2 + 3x - 4 Answer 2.) x=-2/10

*June 7, 2012*

**Algebra 1B**

Thanks!

*June 6, 2012*

**Algebra 1B**

Please someone answer me

*June 6, 2012*

**Algebra 1B**

1.) Find the GCF of -25a3b4, 45a6b5. I got 25a3b4 2.)Find the GCF of a5b, a3b4, a2b3. I got a2b 3.) Find the GCF of 10ab5, 12a3b4, 16a2b3. I got 2ab3

*June 6, 2012*

**Algebra 1B**

thanks

*June 6, 2012*

**Algebra 1B**

Simplify: 4n(2n + 2) My answer is-- 8n+8n Am i right?

*June 6, 2012*

**Algebra 1B**

thanks :)

*June 6, 2012*

**Algebra 1B**

Simplify (b^2/b) (b^2/b)

*June 6, 2012*

**Algebra 1B**

Thanks :)

*June 6, 2012*

**Algebra 1B**

the -3 is the exponent. and 6 is the base...

*June 6, 2012*

**Algebra 1B**

Evaluate m-3, when m = 6 I got 216 Would that be right?

*June 6, 2012*

**government**

the British House of Lords

*May 1, 2012*

**government**

the British House of Lords

*May 1, 2012*

**PLEASE CHECK**

1.)Solve for y in the following system of equations. x + 4y = -38 -x - 6y = 58 My answer 1.) -10 2.) 6 3.) 12 4.) 10 2.)Solve for y in the following system of equations. x - 10y = -50 -4x + 6y = -4 1.) -6 2.)3 3.)-3 My answer4.)6

*April 17, 2012*

**Algebra 1B--check **

Solve for y in the following system of equations. x + 4y = -38 -x - 6y = 58 My answer 1.) -10 2.) 6 3.) 12 4.) 10

*April 17, 2012*

**English--Essay help**

Thanks tabby. I really do know how to write an essay paper. I have done many before, and have got A's on them. I come from a family of writers, good writers. Thank you for your help once again. :) Also I'm sorry if i sound rude, i do not mean to at all.

*April 13, 2012*

**English--Essay help**

I haven't thought anything yet...I need to come up with a thesis statement first...And i can't think of one. I really didn't think this was a hard question...

*April 13, 2012*

**English--Essay help**

Im my english class, we have to think of that first....Its the first question on my lesson...Thank you for your help!

*April 13, 2012*

**English--Essay help**

I'm in need of some help. What do you think would be a good thesis statement for and essay on abortion pro-life? I have thought about this for at least an hour now, and can't come up with anything that is somewhat good....Ideas would be greatly appreciated :)

*April 13, 2012*

**calculus**

thanks :D

*April 12, 2012*

**calculus**

a radiotactive isotope lose 1/5 of its atoms in a sample decay after 14 years. find the half life.

*April 12, 2012*

**Chem 1A**

Help please! How many moles of NaOH must be added to 1.0 L of 3.0 M HC2H3O2 to produce a solution buffered at each pH? 1) pH= 3.78 2) PH= 6.52

*March 15, 2012*

**American Government**

Is it 1?

*March 5, 2012*