Friday

April 29, 2016
Total # Posts: 538

**Biology**

The first one would be cell,tissue,,organs, organs system, organism.
*April 26, 2016*

**Chemistry**

A reaction between gaseous sulfur dioxide and oxygen gas to produce gaseous sulfur trioxide takes place at 600◦C. At that temperature, the concentration of SO2 is found to be 1.14 mol/L, the concentration of O2 is 1.39 mol/L, and the concentration of SO3 is 3.18 mol/L. ...
*April 23, 2016*

**Chemistry**

use the appropriate standard reduction potentials in the appendix of your book to determine the equilibrium constant at 285 K for the following reaction under acidic conditions 4H+(aq) + MnO2(s)+2Fe+2(aq)----> Mn+2 (aq)+2Fe3+(aq)+2H2O(l)
*April 22, 2016*

**Chemistry**

use the appropriate standard reduction potentials in the appendix of your book to determine the equilibrium constant at 285 K for the following reaction under acidic conditions 4H+(aq) + MnO2(s)+2Fe+2(aq)----> Mn+2 (aq)+2Fe3+(aq)+2H2O(l)
*April 22, 2016*

**Further maths**

The first thirdd and ninth terms of am AP are the first three terms of a GP. If the seventh term of AP is 14, calculate (a) the 20th term (b) the sum of the first twelve terms of the GP
*April 20, 2016*

**Algebra **

The second side is 10 more than the third side and the first side is 6 less than the third side. What are the sides of the triangle if the perimeter is 64yd?
*April 18, 2016*

**Algebra **

The first side is triple the second side and the third side is five times the second side. What are the sides of the triangle if the perimeter is 72ft?
*April 17, 2016*

**science-college physics**

I donot understand a thing..
*April 14, 2016*

**life orientation**

how did social,physical, economic consequences corruption and fraud impact negatively in the country?
*April 12, 2016*

**Math**

A set of data is in the ratio of 2:3:5:6. If the largest number in this data set is 42, what is the range of the set of data?
*March 31, 2016*

**Math**

The bases of a triangular prism are equilateral triangles. The surface area of the prism is 80 square units. If the area of one of the triangular bases is half the area of one of the rectangular faces, what is the area of one of the triangular bases of the prism?
*March 30, 2016*

**chem**

A gas has a pressure of 5.7ATM at 100.0 C what is the pressure at 20.0 C? (assume voulme is unchanged)
*March 26, 2016*

**Drama**

I know this answer because I was int he play, "The Christmas Carol". It could be 1 or 4, but he had a cold heart so the answer is VERY likely to be 4. However may I ask you why you asked this question on a homework site?
*March 17, 2016*

**History**

Thank you so much Ms. Sue!
*March 17, 2016*

**History**

I couldn't seem to find any way to dot that.
*March 17, 2016*

**History**

Is there any way to compare and contrast the Progressives and Socialists from World War One?
*March 17, 2016*

**science**

When you say "The number of loops" do you mean the electric current? If that is what you mean, then yes, because the electric current is what increases the strength of the magnet. The more loops it has,the stronger the magnet will be, because magnetic objects would ...
*March 17, 2016*

**History**

Thank you that helped quite a bit. :)
*March 17, 2016*

**History**

I was wondering if anybody could give me a few examples of what Minnesotan's did to contribute to World War 1. If you could help me that would be great. Thank you!
*March 17, 2016*

**History/ Social Studies**

Thank you!!!!!!
*March 17, 2016*

**History/ Social Studies**

I was wondering if anybody could help me with this: Which of the following most directly involved the United States in World War 1? 1. The invasion of Russia 2. The German sinking of an ocean liner 3. The assassination of Archduke Franz Ferdinand 4. The alliance between ...
*March 17, 2016*

**History/Social Studies**

Thank you guys so much!
*March 16, 2016*

**History/Social Studies**

I was wondering is someone here could help me. I need to know what the Morris Act is, I'm not sure, and I couldn't find it on the internet. Please help me. Thank you!
*March 16, 2016*

**algerbra**

which equation would you use to find out if the two lines in the graph are parallel
*February 3, 2016*

**Science**

If a dune moves 40m a per year, how far does it move in 1 day
*January 26, 2016*

**math**

you went to lunch with your friend and the bill was$ 27.00. your lunch is $8.00 more than your friend's. How much was your friend's lunch?
*January 15, 2016*

**Math**

Barb is making a bead neaklace. She strings 1 white bead,then 3 blue beads,then 1 white bead,and so on. Write the numbers for the first eight beads that are white. What is a rule for the pattern?
*January 13, 2016*

**Geometry**

A ship is 750 meters from a light house which is 50 meters tall. What is the angle of depression from the top of the lighthouse to the ship?
*January 13, 2016*

**Math**

An owner of a company spends $25 on office supplies. The owner is left with $20. Write an equation to find how much money he originally had.
*January 5, 2016*

**MATH **

hi i need help: explain how using a spinner would help find the experimental probability that a soccer player will score a goal on a penalty kick. Suppose the player makes 75% of his of his penalty kicks.
*December 16, 2015*

**science**

ummmm we need a picture please
*December 10, 2015*

**math/ pre algebra**

It gives you the total amount of miles traveled: 243 mi. In order to find out how many miles she traveled on the last day, you need to subtract the milage from the other two days: 243 - 67 - 92 = 84 mi. Lydia traveled 84 mi on the last day. In she rode for 7 hrs then that ...
*November 25, 2015*

**Math**

1. Mark is 5 years younger than his 16 year old sister. What is Mark's age. Write in equation form. 2. Vinn works at the petshop for $11 per hour. How many hours did he work if he made $93.50? Write in equation form.
*November 18, 2015*

**Maths**

A runner runs a 10 metre race, the runner runs according to the following rule: s = 0.2t(t - 5.1)(t - 9.1) Where displacement (s) is in metres and time (t) is in minutes. Calculate for the runner: their starting position any changes in direction over the race (when and where ...
*September 30, 2015*

**Maths**

Three runners run a 10 metre race. Each runner runs according to the following rules: Runner 1: s = 2.4 + 0.75t Runner 2: s = 0.2t(t - 5.1) Runner 3: s = 0.2t(t - 5.1)(t - 9.1) Where displacement (s) is in metres and time (t) is in minutes. Calculate for each runner: their ...
*September 29, 2015*

**math**

I am having trouble and I would really appreciate if I could get some help. I am suppost to write a multiplication combination of 180 and 210. Thank you <3
*August 15, 2015*

**math**

what is the Lateral area of the face of a rectangular pyramid with measurements 2.5 in by 2.75 inches by 2.75 inches.
*May 14, 2015*

**algebra**

brittany wrote a computer program that generates two random numbers between one and eleven when she runs t what is the probability that the first value will be more than 9 and the second will be less than 3
*May 12, 2015*

**Math**

Can you help me to understand the meaning of reduction?
*May 10, 2015*

**Math**

Thanks i understand the question now.
*May 10, 2015*

**Math**

Whole numbers, rational numbers and irrational numbers.
*May 10, 2015*

**Math**

Can you please explain.
*May 10, 2015*

**Math**

Which set of best describes the numbers used on a scale for a standard thermometer? A.whole numbers B.rational numbers C.real numbers D.integers I choose Real Numbers if I am incorrect can you explain why.
*May 10, 2015*

**MAT 142**

What is the cost of concrete for a walkway that is 15 feet long, 8 feet wide and 9 inches deep if the concrete costs $30 per cubic yard?
*April 30, 2015*

**Science Please help me Ms. Sue?!?!?!?**

I got a 100% on the quiz!!! Thanks, again! (^-^)
*April 28, 2015*

**Science Please help me Ms. Sue?!?!?!?**

Thank you!!! (=
*April 28, 2015*

**Science Please help me Ms. Sue?!?!?!?**

1) Forests and fisheries are examples of A. abiotic factors B. energy factors C. renewable resources*** D. nonrenewable resources 2) How has the human population changed during the last 50 years? A. The human population has increased exponentially*** B. The human population ...
*April 28, 2015*

**science PLZ HELP**

The correct answers are: 1. a 2. b 3. a 4. b 5. c 6. c 7. a 8. b 9. c 10. a 11. b 12. a 13. b 14. true I promise these are correct. I took the test. Hope this helps!
*March 31, 2015*

**math**

To needs to cut strip of wrapping paper that are each 9 inches wide.If TV has 2 rolls of wrapping paper that are each 15 feet long,how many 9 inch strips can he cut?
*March 10, 2015*

**Science**

I got a 100 thx Nicholas!
*March 3, 2015*

**Math**

Yes it is C
*February 25, 2015*

**Chemistry **

For the reaction 4FeCl2(aq) + 3O2(g) → 2Fe2O3(s) + 4Cl2(g), what volume of a 0.650 M solution of FeCl2 is required to react completely with 8.58 × 1021 molecules of O2?
*February 23, 2015*

**math**

There is a slide in the park that is 18 feet long. The ladder to the top of the slide is 7.5 feet long. If the ladder and the slide are perpendicular, what is d, the distance from the top of the slide to the ground? If necessary, round to the nearest tenth
*February 19, 2015*

**math**

Lucy has 40 bean plants,32 tomato plants,and16 peppers plants.She wants to put the plants in rows with only one type of plant in each row.All rows will have the same number of plants.How many plants can Lucyput in each row
*February 3, 2015*

**trig**

an observer at A looks due north and sees a meteor with an angle of elevation of 70 degrees. At the same instant, another observer 30 miles east of A seed the same meteor and approximates its position as N 50 degrees W but fails to note its angle of elevation. Find the height ...
*January 11, 2015*

**maths**

40-5+70-6=?
*January 6, 2015*

**History**

This is the paragraph you need to compare and contrast to today. I needed help on it so I was wondering if anyone could give me a couple of ideas... Like list a 1 or 2 comparisons or contractions and I will figure it out to make it into a paragraph form and also write extra on...
*January 1, 2015*

**History**

After you have read the following, write a short essay comparing and contrasting life in the Middle Ages to today. Is there anything that was better about life then? The next time you are washing your hands and complain because the water temperature isn't just how you like...
*January 1, 2015*

**economics**

Small Scale Industry (i) These industries employ less number of persons and capital. (ii) Most of the work is done by manpower, small machines and tools. (iii) Raw materials used are less and the production is consequently less. (iv) They are scattered in rural and urban areas...
*December 31, 2014*

**Algebra**

Sorry the choices were: 1. 280 years 2. 0.28 years 3. 28 years 4. 2.8 years
*December 31, 2014*

**Algebra**

You deposit $3,000 in a savings account that earns 6% simple interest. How long will it be before you have a total of $3,500?
*December 31, 2014*

**Math help, Please**

An inverted conical tank (with vertex down) is 14 feet across the top and 24 feet deep. If water is flowing in at a rate of 12 ft3/min, find the rate of change of the depth of the water when the water is 10 feet deep.
*December 29, 2014*

**Calculus **

Determine the equation of the normal line y=x^2+5 at the point (2, 9) I got y= 4x+1
*December 21, 2014*

**P.E**

Well connections acadamy teacher you should check your spelling and grammar. It is you're not your. And you spelt definitely wrong... Just sayin
*December 16, 2014*

**Math HELP!- Got it! But need Help on Definition of Relative maxima**

So I put the derivative of 15x^4-75x^2+60 into wolfram-alpha and it got four critial points on the graph, but they're all equally leveled...so does mean there is no relative maxima or that there are four of them?
*December 15, 2014*

**Math HELP!**

Consider the function y = 3x5 – 25x3 + 60x + 1. Use the first or second derivative test to test the critical points. How many relative maxima did you find? 0 1 2 <--- 3 4
*December 15, 2014*

**physics **

Ben uses a parachute, to fall to the ground at a safe, steady speed. Discuss the energy transfers, which allow ben and his parachute, to drop at a steady speed.
*November 30, 2014*

**math**

what is 245+6,0000435= thanks for help and thank u i need to pass my 3rd grade test thanks
*November 20, 2014*

**Math**

marie is the scuba diving. she jumps from a rock 3 m and reaches a depth of 7m. it is the distance from the dive?
*November 20, 2014*

**Pls check if I got it correct**

Which of these situations can you represent with the inequality X < and = 49? 1. You must be no more than 49 inches tall to go on this ride. 2. A loaf of bread must be baked for at least 49 minutes. 3. You have no more than 49 minutes left on a parking meter. 4. The bill at...
*November 18, 2014*

**Need help to check my answer, please!**

Please check my answer, please! Thank you :)
*November 18, 2014*

**Math**

Which of these situations can you represent with the inequality X < and = 49? 1. You must be no more than 49 inches tall to go on this ride. 2. A loaf of bread must be baked for at least 49 minutes. 3. You have no more than 49 minutes left on a parking meter. 4. The bill at...
*November 18, 2014*

**AP Chem**

Suppose I take a 1.0 L saturated, room temp solution of lead(2)bromide and dissolve 1.3g of potassium bromide in the solution. Will lead(2) bromide precipitate out? If yes how much( in grams)? If no, why not? I found the ksp for PbBr2 at room temp, and used it to find the ...
*November 11, 2014*

**Calculus (math)**

A boat leaves a dock at 2:00 P.M. and travels due south at a speed of 15 km/h. Another boat has been heading due east at 20 km/h and reaches the same dock at 3:00 P.M. How many minutes past 2:00 P.M. were the boats closest together?
*November 8, 2014*

**Math**

A jet flies at an altitude of 52,800 feet. What is the height of the jet in miles? I need help with this problem please
*November 5, 2014*

**Algebra 2**

Mrs. Burnett throws a ball innthe air with an initial velocity of 96 feet per second. The function f(t) = 96t - 16t^^2 represents the path of the ball. How high will the ball go? How long will it take the ball to reach the ground?
*October 29, 2014*

**chemistry**

A flask that can withstand an internal pressure of 2511 torr, but no more, is filled with a gas at 21.0°C and 758 torr and heated. At what temperature will it burst? i used P1/x=P2/T2 and got 69.6 degrees Celsius. what is wrong
*October 20, 2014*

**chemistry**

H2(g) + Cl2(g) HCl(g) Consider the unbalanced equation above. 3.95 L of H2 and 1.00 L of Cl2 are reacted under the same conditions of temperature and pressure. (a) How many liters of HCl will be produced? (b) How many liters of reactant are in excess? i found part a to be 2.00...
*October 20, 2014*

**math**

Please help!
*October 16, 2014*

**math**

A woman owns stock in two companies, company A and company B. She owns 79 shares of stock in company A. Each share of stock in company A is worth $12. Each share of stock in company B is worth $19. Write three equations to represent the total number of shares of stock the ...
*October 16, 2014*

**Math**

This would equal 2 1/2 or 2.50
*October 16, 2014*

**Maths**

Thank you very much!!! then how to do this qn? y is directly proportional to the square root of x.If y is quadrupled,find the percentage change in x.
*October 16, 2014*

**Maths**

If it takes 6 men 4h to dig a hole 6m deep,how long will it take 10 men to dig a hole 5m deep?
*October 16, 2014*

**Math**

A basketball team won 70% of the 30 games they played. How many games did they win?
*October 15, 2014*

**Help**

I recently completed this same exam.The answers to all questions were clearly explained in the given text. I should turn you in for cheating. You should be ashamed.
*October 11, 2014*

**Biochemistry**

Which solutions, animal or plant, were more suitable to resisting pH change? Why do you think this is the case? Explain.
*October 8, 2014*

**Biochemistry**

Which solutions, animal or plant, were more suitable to resisting pH change? Why do you think this is the case? Explain.
*October 8, 2014*

**Biochemistry**

All biological enzymes function best at particular pH values. In the normal human stomach, the pH of 2.0-3.0 provides the environment required for the proper functioning of the digestive enzymes found there. 1. How would adding a basic medicine effect the pH of the stomach? 2....
*October 8, 2014*

**Biochemistry**

You are told that the solutions in two beakers are both 0.02 M solutions of acids "A" is weak acid and acid "B" is a strong acid. Which of the two acids would have the lower pH, acid "A" or acid "B"? Explain your answer.
*October 8, 2014*

**Pre-Calc/Trig...**

Its a transformation because the slope is the same, the y-intercept is just shifted up 7 instead of being at zero. Try and draw the graphs to visualize this.
*October 7, 2014*

**Physics: momentum**

While you are standing on a expanse of smooth ice, your friend throws a heavy ball towards you. How can you maximize your speed after your interaction with the ball? a. More information is needed to determine how you should maximize your speed. b. It doesn't matter since ...
*October 7, 2014*

**physics**

Try and draw a free body diagram to help you understand this. The 35 m/s velocity is along the hypotenuse of a right triangle, and the components you want are in the x and y direction. To find the y component, you would use sinA=y/35, and for the x component, you would use ...
*October 7, 2014*

**Chemistry**

Yes that is what I arrived at as well.
*October 7, 2014*

**Chemistry**

To calculate the weighted atomic mass, you would use the percentages of the isotopes. Since the isotope is 55, its weight is 55. Since they are present in different amounts, you cannot just take the average, you have to do a weighted average using the percentages given. So, ...
*October 7, 2014*

**Physics**

That did not give me the correct answer.
*October 5, 2014*

**Physics**

A block of mass m = 4.30 kg slides along a horizontal table with speed v0 = 8.50 m/s. At x = 0 it hits a spring with spring constant k = 31.00 N/m and it also begins to experience a friction force. The coefficient of friction is given by μ = 0.150. How far has the spring ...
*October 5, 2014*

**Math**

Suppose an urn contains 10 balls numbered from 1 to 10. Someone draws 3 balls simultaneously from the urn (i.e. without replacement.) What is the probability that the lowest number drawn is 2? (8C3)/(10C3) but I know that is wrong. I also tried ((8C3)+(7C3)+(6C3))/(10C3)
*October 1, 2014*

**Statistics**

Suppose an urn contains 10 balls numbered from 1 to 10. Someone draws 3 balls simultaneously from the urn (i.e. without replacement.) What is the probability that the lowest number drawn is 2? (8C3)/(10C3) but I know that is wrong. I also tried ((8C3)+(7C3)+(6C3))/(10C3)
*September 30, 2014*

**6TH GRADE**

Thank you Ms. sue!
*September 24, 2014*

**6TH GRADE**

Describe a real-world situation that is modeled by multiplying two fractions or mixed numbers. Can someone give me an example?
*September 24, 2014*