Friday

November 28, 2014

November 28, 2014

Total # Posts: 1,523

**algebra**

determine if (-5/6, -1) is a solution to 6x-5y= -10 show work
*November 1, 2011*

**algebra**

Find the slope of the line containing the given pair of points. If the line is undefined, state so. Please be sure to show all of your work. (1, 2) and (9, 12)
*November 1, 2011*

**algebra**

Find the x- and y-intercepts for the equation. Please show all of your work. Then graph the equation 2x + 3y = 15
*November 1, 2011*

**algebra**

Find the x- and y-intercepts for the equation. Please show all of your work. Then graph the equation 2x + 3y = 15
*November 1, 2011*

**English**

is there such a thing the "language" of percentages/surveys?
*October 29, 2011*

**algebra**

Simplify -9-(-3)
*October 28, 2011*

**Physics**

Use conservation of energy to determine the angular speed of the spool shown in Figure P8.36 after the 3.00 kg bucket has fallen 3.20 m, starting from rest. The light string attached to the bucket is wrapped around the spool and does not slip as it unwinds. The Figure shows ...
*October 26, 2011*

**calculus**

Reiny, i need the maximum vertical distance between the two functions of the graph.
*October 26, 2011*

**calculus**

what is the maximum distance between f and g when f(x)=1/2x^2 and g(x)=1/16x^4-1/2x^2 on closed interval [0,4]
*October 26, 2011*

**Statistics**

A retail shop accepts only cash or checks. Suppose that 54% of its customers carry cash, 51% carry checks, and 71% carry cash or checks (or both). What is the probability that a randomly chosen customer at the shop is carrying both cash and checks?
*October 22, 2011*

**english**

A good strong thesis statement about the children's book Corduroy by Don Freeman
*October 20, 2011*

**Math**

A person standing close to the edge on the top of a 160-foot building throws a baseball vertically upward. The quadratic function s(t) = -16t^2 +64t + 160 models the ball's height above the ground, s(t), in feet, t seconds after it was thrown. After how many seconds does ...
*October 18, 2011*

**Chemistry**

125 mL of 1.00 M HCl with 9.00 g of KOH. if the yield of KCL is 7.51 g what is the percent yield of the reaction HCl + KOH -> KCl + H2O
*October 17, 2011*

**Chemistry**

125 mL of 1.00 HCl with 9.00 g of KOH. if the yield of KCL is 7.51 g what is the percent yield of the reaction
*October 17, 2011*

**AP environmental Science**

What formula would i use to solve: If the earth has an annual growth rate of 1.2% how many people are added to the earth each year? what will be the population of earth in 2050? thanks, any help is appreciated!! :D
*October 16, 2011*

**Algebra**

400=20t 400=100h y=#variable
*October 16, 2011*

**bio**

What is the term used when an amino acid is used for four or more codons?
*October 16, 2011*

**English**

Simple subject is the noun Simple predicate is the KEY word in the predicate. For example, The maze had hundred pathways. Maze=simple subject had=simple predicate hope this helps
*October 16, 2011*

**English**

Forget it, I understand it now. Thank you.
*October 15, 2011*

**English**

I already did, are you able to explain what back-formation means?
*October 15, 2011*

**English**

Where can I find out the history of the words difficult and challenge and be able to write a paragraph on them each? Tried Google.
*October 15, 2011*

**calculus**

tan 30=a/ 9 inches
*October 11, 2011*

**English**

Can you give me another example that is similar to MIss and Ms. ?
*October 10, 2011*

**English**

those were just examples, so they are homographs?
*October 10, 2011*

**English**

so what is their category? Can you give me another example of this?
*October 10, 2011*

**English**

Does Miss and Ms. fit under the category of homonyms or homophones, or are they under another category?
*October 10, 2011*

**5th Grade Math**

writing a prime number factorization of a number using exponents. does that mean 15= 5 x 3 60= 6 x 10 28= 4 x 7 49= 7 x 7 Yes,No or What?
*October 6, 2011*

**5th Grade Math**

seventeen and four tenths. ten and ninety-nine thousandths. How much money do these word forms turn out to be?
*October 6, 2011*

**penn foster world history**

can someone please help me with this exam 007678
*October 6, 2011*

**Math**

The inclination of the straight line DE is 45 degree. D(0,2n), E(m,0) (a) Express m in terms of n. (b) If the area of triangleDEO is 18 sq.units, find the values of m and n.
*October 6, 2011*

**Chemistry**

I don't know how to set up this problem...can you help? How many milliliters of 6.00M HCl are required to react with 150 mL of 1.48 M Al(OH)3? Al(OH)3+3HCl to AlCl3 + 3H2O
*October 5, 2011*

**Chemistry**

I can't figure out how to set up this problem...You have a large amount of 8.00 M stock solution. You need 1.80L of 3.00 M solution for an experiment. How would you prepare the desired solution without wasting any stock solution?
*October 5, 2011*

**Chem**

Living things require oxygen for respiration. Fuels require oxygen for burning. Air contains much more nitrogen than oxygen. Is it a good thing to have more oxygen than nitrogen in air? Explain your answer.
*October 5, 2011*

**Chem**

State one physical property and one chemical property of oxygen. Physical property: Chemical property:
*October 5, 2011*

**Chem**

State the hazard warning label that should be shown on a jar of oxygen.
*October 5, 2011*

**Chem**

Name the industrial process in the air separation plant that can be obtain oxygen from liquefied air.
*October 5, 2011*

**5th Grade Math**

what fraction is the largest? 3 2/3 or 3 3/4 or 3 1/2 or 3 3/5?
*October 4, 2011*

**5th Grade Math**

Marissa and her friends have 3 pizzas. they eat 2 1/4 of the pizzas. which model shows how much of the pizza they ate? On the pic they have they have each pizza having 8 slices each, so what would the pies that have been eaten look like?
*October 4, 2011*

**5th Grade Math**

Hector's bean plant grew 14 inches in 3 months. Which shows how many inches the plant grew each month? F)3/14 inch G) 3 1/4 inches H) 3 2/3 inches J) 4 2/3 inches And how do i get the answer?
*October 4, 2011*

**5th Grade Math**

Kate baked 3 pies for a family reunion. She cut each pie into 8 slices. the family ate 2/3 of the pies. How many slices of pie were eaten? And how would i show it if i had to show the pies?
*October 4, 2011*

**5th Grade Math**

I just wanted to Thank you Ms. Sue for the help my son is in 5th grade and some of his homework i don't understand, and i don't want him to turn it in wrong. So if i have more of an understanding then i can help him more with his homework so he gets a better ...
*October 4, 2011*

**5th Grade Math**

Eduardo and his friends niked 7/4 miles. What mied number shows the distance they hiked?
*October 4, 2011*

**5th grade math**

Pete looked at the colors of the shoes worn by his classmates. He found that 1/5 of the class wore white shoes, 3/20 wore blue shoes, 2/5 wore black shoes, and 1/4 wore red shoes. what color shoes did the most students have on? And how would i show the work? PLEASE HELP
*October 4, 2011*

**5th Grade Math**

Brad filled in 24 out of 40 words on a crossword puzzle. Stewart filled in 15 out of 25 words on a different crossword puzzle. Which correctly compares the fractions of the puzzles that Brad and Stewart completed. a)2/3>3/5 b)3/5<2/3 c)6/10>3/5 d)3/5=3/5
*October 4, 2011*

**Chemistry**

ok for 2 i did m= 1.2g/l /84.9= .0141 then moved dec. 3 places which made it 14.1 kg is that right or close..
*October 3, 2011*

**Chemistry**

ok so a was 84.9 vol .. so i take that and then.. i then take the m and convert them to kil.. then do the vxd=m
*October 3, 2011*

**Chemistry**

ok quick question i got the lxwxh and then that would be # 1 .. for i take the answers from one and convert them to liters.. ?/
*October 3, 2011*

**Chemistry**

Your bedroom is 18 ft long and 15 ft wide, and the distance from floor to ceiling is 8 ft 6 in. You need to know the volume of the room in metric units for some scientific calculations. (a). What is the room’s volume in cubic meters? (b). What is the mass of air in the ...
*October 3, 2011*

**AP Biology**

Why can't humans drink salt water for hydration?
*October 2, 2011*

**Math**

A fast food shop plans to employ 8 full-time staff and some part-time staff.Suppose that the daily wages for a full-time staff and a part-time staff are $350 and $250 respectively. In order to control the daily running cost, the total expenditure on wages must not exceed $5000...
*October 2, 2011*

**Math**

Susan has some $2-coins and $5-coins. If there are 18 coins and the total amount of these coins is not less than $75, find the minimum number of $5-coins.
*October 2, 2011*

**Pre-calc **

square root(x+1)+ square root(x-1)= square root(2x+1)
*September 27, 2011*

**statistics**

draw a negatively skewed result
*September 25, 2011*

**chemistry**

10%
*September 25, 2011*

**critical thinking**

how would a poet describe a snowstorm
*September 22, 2011*

**english**

How do i determine if the prepositional phrase is an adverb or adjective?
*September 21, 2011*

**social studies HELP**

who developed a vaccine to prevent polio?
*September 20, 2011*

**Math**

travel 250 mi in 5 h need the unit rate for each situation.
*September 19, 2011*

**social studies**

who was the star of "Steamboat Willie''
*September 19, 2011*

**social studies**

what is the constitution
*September 16, 2011*

**social studies**

thanks for the answer. I'll try to help you whenever you might need help sraJMcGin
*September 16, 2011*

**social studies**

what is the capital of mexico
*September 16, 2011*

**educating young children PART3**

what is your question
*September 15, 2011*

**geometry**

how do u solve this geometry question to solve hj=5x jk=7x kh=96?
*September 15, 2011*

**Geometry**

What is the area of a square with a base of 8mm?
*September 11, 2011*

**United States Government**

Complications in the practice of America's ideals occurs because these ideals a. are general principles, not precise rules. b. sometimes conflict with one another. c. are only of of many sources of political action. d. are enduring and powerful. e. All these answers are ...
*September 11, 2011*

**chemistry**

When 1.0 of gasoline burns, it releases 11 kcal of heat. The density of gasoline is 0.74 How many megajoules are released when 9.0 of gasoline burns?
*September 10, 2011*

**communications100 **

In which of the following instances are people more likely to look directly at their conversational partner? 1when you are discussing intimate topics 2.when you are talking rather than listening 3.when you are trying to dominate your partner 4.when you are physically close I ...
*September 9, 2011*

**Comm 100 college**

thanks!
*September 9, 2011*

**Comm 100 college**

Which of the following statements is true concerning finding similarities? 1. An accurate way to assess similarities is to focus on appearance and clothing. 2.Once you find similarities, you can assume the other person will have similar views on most issues. 3.It is important ...
*September 9, 2011*

**Biology**

How much NaC3H5O3 (in grams) is needed to create a 1000 ml volume of Ringer’s lactate solution
*September 9, 2011*

**Math**

I am stumped
*September 7, 2011*

**chemistry**

How did you figure it out?
*September 4, 2011*

**Comm 100 college**

Which of the following are included in listening to evaluate? A.separate facts and inferences B.take down notes on everything the speaker says C.try to put yourself in the speaker's shoes D.identify pertinent information we want to remember A?
*September 1, 2011*

**business communications **

thank you
*August 27, 2011*

**business communications **

Which of the following should you NOT do in the close of a job interview? A.Give a final explanation for a weakness that you have. B.Show enthusiasm for the job C.Summarize your accomplishments and strengths D.Smile and relax A,and B of course wouldnt be the correct answer but...
*August 27, 2011*

**busniess communication**

Today, many employers expect interviewees to do more than just answer standard questions, including all of the following EXCEPT: A. defer to the hiring company to take control of the interview process. B. provide samples of the work they would likely do in the job they are ...
*August 27, 2011*

**stats**

what does it mean to say alpha is set at 0.5
*August 18, 2011*

**You are interested in buying a new car and Bob let**

there is no instrument
*August 14, 2011*

**Science **

Carbon-14 has a half-life of about 5,600 years. Archaeologists analyze a piece of wood found at an ancient village site and determine that, of he initial 100 grams of Carbon-14 in the wood, onl 3.125 grams are left. How old is the wood?
*August 13, 2011*

**Physics**

A river flows due East at 0.979 m/s. A boat crosses the river from the South shore to the North shore by maintaining a constant ve- locity of 12.8 m/s due North relative to the water. The river is 306 m wide. What is the velocity of the boat relative to shore? Answer in units ...
*August 12, 2011*

**fractions**

5/6=15/
*August 12, 2011*

**human services**

what are four steps an organization should take to change its personnal profile? What should the organization consider before developing such a plan?
*August 5, 2011*

**Math 221**

What if the size for each sample were increased to 20? Would a sample mean of 115 or more be considered unusual?
*August 3, 2011*

**statistics in psychology**

i dont know
*July 25, 2011*

**algebra**

Sorry, express the measure the third angle in terms of x** I don't know why I typed "fourth".
*July 6, 2011*

**algebra**

The sum of the angles of a triangle is 180 degrees. If one angle measures x degrees, a second angle measures 3x degrees, and a third angle measures 7x degrees, express the measure of the fourth angle in terms of x.
*July 6, 2011*

**algebra II**

Solve: x^4 - 2x^2 = 35
*July 3, 2011*

**algebra II**

The _______ of a quadratic equation can be used to find the number of solutions it has. ?? A. vertex B. Axis of Symmetry C. Discriminant D. Leading Coefficent
*July 3, 2011*

**algebra II**

The length of a rectangle is three more than twice its width. The area is 65 m2. What is its width?
*July 3, 2011*

**Algebra II**

The height of a right triangle is 7 inches greater than the length of its base. If the area of the triangle is 15 square inches, find the base.
*July 1, 2011*

**algebra**

Factor 6a^3+27b^3
*July 1, 2011*

**Algebra II**

How do I solve the following problems?? 1. Factor: 4x^2-100y^2 2. Factor: 3x^2+27 3. Solve 3x^2+9x=0 4. Solve 12^2+30x=-12 5. 9a(a+1)=4 6. Solve 16x^2=25
*June 29, 2011*

**statistics**

The mean number of fitness magazines in a sample of homes is 16, the standard deviation is 5; and the mean for the number of pages of fitness magazines in a sample of homes is 43, with a standard deviation of 8. Which set of data set is more variable?
*June 25, 2011*

**Community/public health**

What types of system changes will you implement or encourage others to implement based upon what you have learned about the importance of interdisciplinary collaboration on health outcomes?
*June 23, 2011*

**grammar**

2.He suffered an injury to his knee, and this is causing him pain and discomfort. suffered an injury ,is causing are verbs ,am i correct or pls correct me
*June 15, 2011*

**grammar**

2.He suffered an injury to his knee, and this is causing him pain and discomfort. I hope verb are suffered, is causing. am i correct if not pls correct me
*June 15, 2011*

**grammar**

4.The patient is a 42-year-old male with a history of left shoulder osteomyelitis with resistant pseudomonas from an injury he sustained approximately 20 years ago. pls help me with all the prepositions & conjuctions in the above sentence.
*June 15, 2011*

**social studies**

How did some people hope to solve the problem of California's islation from the rest of the country?
*June 14, 2011*

**American History**

Thank you so much! :D
*June 7, 2011*

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