Friday

February 24, 2017
Total # Posts: 102

**chemistry **

how many grams of CO2 could be produced from 100.0 grams of CH4? CH4 + 2O2 -> CO2 + 2H2O

*February 21, 2017*

**Math**

PLZ ANSWER: The plan of a park is at a scale of 1:5000. Calculate the actual distance between two points if the distance between two points on the map is: a)2 cm (How many meters?) b)2.8 cm (Give answer in meters) c) 7cm (Meters)

*February 4, 2017*

**algebra 2**

Traveling with the wind, an airplane travels 210 miles im 4 hours. Against the wind, it takes six hours. Find the rate of the plane in still air and the velocity of the wind.

*October 31, 2016*

**Chemistry**

SO CONFUSED PLEASE HELP!!! A certain radio wave has a wavelength of 7 inches. a. convert the wavelength of this radio wave into meters. (1 meter = 39.37) b. find the frequency of this radio wave.

*October 24, 2016*

**english**

In the book of Julius Caesar, Marc Antony is against Caesar of becoming king. Are there any textual evidence from the book to prove this???

*May 25, 2016*

**English**

What is an example for an archetype in the book night by Elie wiesel

*April 12, 2016*

**biology**

I got a biology project that's about the excretory system & I have to write the word excretory & draw pictures inside of the word that compares it to real life. What pictures can something be compared that involves with the system?

*February 29, 2016*

**history**

What is the importance of Townshend act and Boston Massacre?

*February 25, 2016*

**English**

I'm writing a short answer, & i don't know if this quote goes with my explanation, the quote is,"three powerful nation,joined themselves together in the threat that if the U.S. blocked the expansion they would unite in ultimate action against the U.S." my ...

*February 24, 2016*

**math**

5 more

*December 8, 2015*

**history**

I don't understand what the teacher meant by this question: how would the geography and climate zones affect where you live? (Include culture)

*November 18, 2015*

**history**

How might the split between the eastern orthodox church and the roman catholic church affect the future of the byzantine empire?

*November 5, 2015*

**history**

Where did most of the invasions occur over egypt

*October 30, 2015*

**biology**

I allow things to enter and leave the cell. if I don't think you're helpful to the cell I wont let you in. Who am I?

*October 29, 2015*

**History**

People who are not in the dynasty

*October 19, 2015*

**History**

How did other people describe Qin in the dynasty in china?

*October 19, 2015*

**history**

How did other people describe Qin?

*October 19, 2015*

**Geometry**

I don't know that's why I was having trouble understanding this question

*September 26, 2015*

**Geometry**

Elaine purchased 4.5 yards of lace trim from her local fabric shop. She has a circular tablecloth that is 54 inches in diameter and a square tablecloth that is 40 inches on each side. Can she trim either tablecloth?

*September 26, 2015*

**biology**

Besides coal and oil (fossil fuels) what type of rocks store a great deal of carbon?

*September 15, 2015*

**Geometry**

My teacher gets me so confused but the question is 5p^2-23p+24 someone please explain

*August 29, 2015*

**9th grade math**

I need help with this problem please help with steps. -u+5u-2(6u-11)

*August 10, 2015*

**Chemistry**

What is the mass of a 4 kg object, A. On the earth (g=-10 m/s/s) B. On the moon (g=-2 m/s/s)

*June 1, 2015*

**Chemistry**

An atom has 98 protons and 151 neutrons. If it undergoes alpha decay, what are the number of protons and neutrons, respectively, in the daughter nucleus?

*May 27, 2015*

**English Language Arts**

It is C

*May 27, 2015*

**english**

I have to do this ethos, pathos, & logos research project then I have to put it in a powerpoint. What would Samsung & Land rover be? Would it be ethos, pathos, or logos?

*May 4, 2015*

**English**

I have to do this ethos, pathos, & logos research project. What would Samsung & Land rover be?

*May 4, 2015*

**algebra**

A population of wolves in a county is represented by the equation P(t)=80(0.98)^t, where t is the number of years since 1998. What will be the number of wolves in the population in the year 2012?

*April 30, 2015*

**algebra**

If y varies directly to x, and y=14 when x=21, what is the value of x when y=7?

*April 29, 2015*

**algebra**

Alonzo wants to buy a bike for $260. He can pay for it in 8 months if he pays $60 now & $25 each month. If he were to pay $60 now and $20 each month, how many more monthly payments would it take to pay for it?

*April 29, 2015*

**algebra**

Which point satisfies the equation 2x+3y=8? A) (-1,3) B) (2,2) C) (-2,4) D) (1,4)

*April 27, 2015*

**Algebra**

Lester makes sweetened iced tea. He uses 1/2 cup of sweetener to make 2 quarts of tea. He wants to make 16 quarts of tea for a family gathering. Which proportion should lester use to find s, the amount of sweetener to add to 16 quarts of tea?

*April 24, 2015*

**algebra**

Which of the following equation describes the quadratic parent function after it has been shifted two units down? A. y=x^2-2 B. y=-x^2-2 C. y=x^2+2 D. y=-x^2+2

*March 17, 2015*

**algebra**

What is the GCF of 5184 & that adds up to 150?

*February 26, 2015*

**algebra**

Find the quotient when (2x^2+5x+2) is divided by (x+2). *** Can someone tell me if i got this answer right if not correct it*** Answer: (2x+1)

*February 24, 2015*

**algebra**

The area of a rectangule is (2x^2-11x+5). If the length is (2x-1), find the width.

*February 24, 2015*

**algebra**

The area of a rectangular kitchen table is (t^2-7t-8) . Find the dimensions of the table.

*February 24, 2015*

**harapan bangsa school**

a 4-m plank rests against a wall 1.8m high so that 1.2m of it projects beyond the wall. find the angle the plank makes with wall.

*February 7, 2015*

**algebra**

The length of a rectangular flag is (4x+6) feet and the width is (4x-6) feet. Find the area of the flag.

*February 4, 2015*

**physics**

the puck with the center negative force of 2F and two outer forces on the top and bottom of the puck with +1F.

*October 22, 2014*

**8th grade math**

31600

*September 7, 2014*

**Physics**

The brightness of a light source at a distance of 100m from the source is 40 units. What would be the brightness if the distance is reduced to 50m?

*September 4, 2014*

**Physics**

How can the more wind speed and force, results greater amount of power for the wind turbine?

*May 18, 2014*

**Trig**

True or False: For a trignometric function, y = f(x), then x = f^-1(y). Explain your answer. Thanks.

*March 19, 2013*

**Trig**

True or False: For a one-to-one function, y = f(x),then x = F^-1(y). Explain your answer. Please help.

*March 19, 2013*

**PHYSICS**

When a 0.116 kg mass is suspended at rest from a certain spring, the spring stretches 3.50 cm. Find the instantaneous acceleration of the mass when it is raised 5.70 cm, compressing the spring 2.20 cm.

*October 22, 2012*

**Operations Management**

A small grocery store sells fresh produce, which it obtains from a local farmer. During the strawberry season, demand for fresh strawberries can be reasonably approximated using normal distribution with a mean of 40 quarts per day and a standard deviation of 6 quarts per day. ...

*July 21, 2012*

**Operations Management**

A small grocery store sells fresh produce, which it obtains from a local farmer. During the strawberry season, demand for fresh strawberries can be reasonably approximated using normal distribution with a mean of 40 quarts per day and a standard deviation of 6 quarts per day. ...

*July 19, 2012*

**math models**

Compute the number of vinyl tiles, measuring 6 in. each side, needed to tile a kitchen measuring 20 ft. by 16 ft.

*May 4, 2012*

**@damon**

thank you, I will calculate everything again and see where I made my mistakes and compare it to these answers. Thanks alot really appreciate it

*April 22, 2012*

**@damon**

yeah i got 26.3 because i round it off for the speed

*April 22, 2012*

**@damon**

I am still getting the wrong answrs, can you please do me a favor and for each part list the formulas and steps i need to do in order to get the answer. thank you At serve, a tennis player aims to hit the ball horizontally. part a)What minimum speed is required for the ball to...

*April 22, 2012*

**ap physics**

At serve, a tennis player aims to hit the ball horizontally. part a)What minimum speed is required for the ball to clear the 0.90m--high net about 15.0m from the server if the ball is "launched" from a height of 2.50m ? part b)here (relative to server) will the ball...

*April 22, 2012*

**@elena**

thank you.

*April 22, 2012*

**Mathematics**

kate has a tennis lesson every 5 days.she has a basketball game every 8 days if she has both today when will she have both of them again

*April 13, 2012*

**PLEASE HELP, physics/math**

Three people are trying to hold a lion still for the vet. The lion, in the center, is wearing a collar with three ropes attached to it and each person has a hold of the rope. charlie is pulling in the direction of 62 degrees west of north with a force of 175 newtons. Sam is ...

*December 11, 2011*

**physics/math**

Three people are trying to hold a lion still for the vet. The lion, in the center, is wearing a collar with three ropes attached to it and each person has a hold of the rope. charlie is pulling in the direction of 62 degrees west of north with a force of 175 newtons. Sam is ...

*December 11, 2011*

**math / science**

so then is the vector .5i + .067j + 6.58k??

*December 11, 2011*

**math / science**

thank you so much

*December 11, 2011*

**math / science**

find the vector with all of the following properties: magnitude 10 angle of 45 degrees with positive x-axis angle of 75 with positive y-axis positive k component

*December 11, 2011*

**math / science**

three people are trying to hold a lion still for the vet. The lion, in the center, is wearing a collar with three ropes attached to it and each person has a hold of the rope. charlie is pulling in the direction of 62 degrees west of north with a force of 175 newtons. Sam is ...

*December 11, 2011*

**4th grade math**

Name each number 2 different ways 90000000 40000

*September 15, 2011*

**English**

1. A 2. C 3. C 4. D

*September 11, 2011*

**Pre-algebra**

Oh yea that's right thanks!

*May 21, 2011*

**Pre-algebra**

Hi Sue, I just post can you check to see if I answer it correct?

*May 21, 2011*

**Pre-algebra**

An equation is a statement of equality containing one or more variables. To solve an equation means, find the value of the variable for which the equation satisfy An example of an equation is x + 5 12. Solution: x + 5 = 12 x = 12 - 5 x = 7 7 is a solution of the equation x + 5...

*May 21, 2011*

**Pre-algebra**

Ms. Sue, Will you be able to help me?

*May 21, 2011*

**Pre-algebra**

Hi need help answering this question? In your own words, define the term equation and then explain what it means to solve an equation. Give an example of an equation and its solution. Explain why it is the solution.

*May 21, 2011*

**biology**

In every energy transactions, some of the energy is also lost as heat.

*April 16, 2011*

**math**

the lenght of AB is 6 pi and mAB is 120 degrees. whays the diameter

*March 3, 2011*

**geometry**

a 30 degree angle cuts off an arc in a circle with a diameter of 10in find the length to the nearest hundredth

*March 3, 2011*

**Geometry**

The measure of a single angle in a regular octagon is (4x + 12)°. Find the value of x. Show equations and all work that leads to your answer

*January 5, 2011*

**Chemistry**

What is the pH of a solution if two aspirin each containing 500mg of acetylsalicyclic acid were dissolved in 325 ml of water?

*December 8, 2010*

**3rd grade**

how can i combine this sentence to make one sentence? Do you have the time? Do you wear a watch?

*September 12, 2010*

**chemistry**

Calculate how many L of 21M HCL must be added to make 1L to .1M HCL.

*May 10, 2010*

**5th grade science**

describe the transport system in vascular plants.

*February 25, 2010*

**food preparation terms**

to cause a dry substance or solid ingreient to pass into solution in a liquid

*February 16, 2010*

**food preparation terms**

to spread the surface of a food lightly with coating such as butter or egg whites

*February 16, 2010*

**Science**

What is Newtons law? i tried to look it up but my computer kept freesing

*December 2, 2009*

**Health**

What are a couple simple ways to break or fracture your ankle?

*December 2, 2009*

**Algebra**

GLOVES DOWN

*November 2, 2009*

**author**

I need help writing Introduction on the topic I picked. The topic is Domestic Violence

*October 2, 2009*

**physical science**

If you have 24 grams of an unstable atom with a half life of 5,000 years, how many grams would be left after 15,000 years?

*September 17, 2009*

**physical science**

If you have 24 grams of an unstable atom with a half life of 5,000 years, how many grams would be left after 15,000 years?

*September 17, 2009*

**physical science**

Diamonds are made 1. at the surface of earth 2. magma moving at supersonic speeds deep inside the earth 3. in river beads 4. in limestone caverns

*September 17, 2009*

**physical science**

explain how a mountain range can be formed by an oceanic plate and a continental plate

*September 16, 2009*

**Physical Science**

explain in detail how the epicenter of an earthquake is located by seismic stations.

*September 16, 2009*

**math**

what is the interval of 2 5 6 3 1 4 7 and how do you figure this

*September 15, 2009*

**science**

wich gas released by cars does not pollute the air

*April 29, 2009*

**Science**

A Bag Of Sugar Is Lifted To One Shelf Then It Is Lifted Again To A Second Higher Shelf Do You Think The Job Gets Easier The Higher You Lift The Object?

*February 3, 2009*

**Biology**

Why is it difficult to convert miles to yards or feet?

*January 28, 2009*

**Chemistry**

I'm clueless on this take-home quiz we have. Calculate the concentration of (Co3)2- in a solution made by dissolving 1 mole of Co2 in 1 L of water. The hydration equilibrium constant Kh of Co2 at 25C is 1.70x10-3, Ka1 of H2CO3=2.5x10^-4, and Ka2=5.01x10^-11.

*November 23, 2008*

**law-major help?**

Hi, my friend and I both want to be lawyers. we finally talked after a long time of not seeing each other and we got on the topic of college. and majors. etc. i asked her what do u want to major in? she goes "history.. for LAw" i'm like you want to major in ...

*November 5, 2008*

**4th grade**

what feature makes up part of the u.s. border with canada? what feature makes up much of the u.s. border with mexico?

*September 26, 2008*

**Science**

what is the bonding process for water and sodium chloride?

*September 25, 2008*

**ALGEBRA**

How do i do this?? i am sooo confused. can someone please help me?? Janet, Chrissy, and Jack want to divide their grocery bill evenly. They bouoght a apples for 90 cents each, b bananas for 60 cents each, and c cantelopes for $2.10 each. Write and simplify and expression ...

*September 24, 2008*

**5th grade math**

Need to know how to change each decimal to a fraction ... .625 = ??? and how do you figure it?

*September 22, 2008*

**NEW ? marketing**

how are: possession utilty information utility and occupational area related to marketing?? NOT IN MY TEXT BOOK

*August 17, 2008*

**marketing**

how are: goods services utility form utility place utility time utility possession utility information utility benifits and occupational area related to marketing the deffinition for it is: the prosses of developing, promoting, and distributing products to satisfy customers ...

*August 17, 2008*

**marketing**

how are: goods services utility form utility place utility time utility possession utility information utility benifits and occupational area ralated to marketing the deffinition for it is: the prosses o developing, promotng, and distributing products to satisfy customers ...

*August 17, 2008*