Sunday

February 7, 2016
Total # Posts: 338

**geometry**

(15, 30) make sure to use the parentheses though because the value can neither be exactly 90 degrees or exactly 180 degrees, if that were the case then the triangle would be right instead of obtuse or 180 which is a straight line not a triangle at all
*October 28, 2010*

**math**

I got 128x^16y^8
*October 28, 2010*

**12th Grade Calculus**

Use the physics equation: Vf^2=Vi^2+2ad where Vi is the initial velocity, a is the acceleration due to gravity or 9.80 m/s^2 and d equals your distance
*October 27, 2010*

**9th grade Deductive Reasoning Math**

Given: Angle A and Angle C are complementary to Angle B. Conclusion: Angle is congruent to Angle C. Determine whether each conclusion is valid based on the true conditional given. If not, write invalid. Explain your reasoning.
*October 11, 2010*

**math**

(a) A intersection B = {n} (b) C union D = {u,n,i,t,e}=C (c) complement of D = {n,i,t}=A
*September 24, 2010*

**Math word problem**

x^2+x^2-20x+100=484 --> 2x^2-20x-384=0 --> x^2-10x-192=0 Now apply quadratic formula.
*September 24, 2010*

**Physics**

D) The two objects must have different charges.
*September 24, 2010*

**algebra**

2x^2-x-3 Factor this trinomial. I recommend use of the AC or "Amazing" method. a=2, b=-1, c=-3 a*c=-6 We need to find factors of a*c that sum to b factors sum -6 1 -5 -3 2 -1 this is it take those factors and use as denominators with a as numerator. Reduce to ...
*September 24, 2010*

**Physics-Mechaincs**

We need the mass of each block. We also need to know exactly what you mean by 60 degrees. Is that 60 degrees from vertical, or 60 degrees from horizontal?
*September 24, 2010*

**Physics-Mechaincs**

You need to include the referenced figure or fully detail it with text.
*September 24, 2010*

**Algebra**

4x² - 7y² = 21 (eq1) x² + 2y² = 99 (eq2) --> eq1-4*eq2 --> 4x² - 7y² = 21 (eq1) -4x² - 8y² =- 396 -4*(eq2) ___________________ -15y²=-375 (eq3) --> y²=25 (eq4) Back sub to get x² + 2(25) = 99 --> x² =99-50...
*September 24, 2010*

**physics**

No, E=F*D (Energy equals force times distance)
*September 24, 2010*

**physics**

a roller coaster, traveling with an initial speed of 15 meters per second, decelerates uniformly at -7.0 meters per second Squared to a full stop. Approximately how far does the roller coaster travel during its deceleration?
*September 17, 2010*

**business**

For this assignment you are to imagine that you are part of a select marketing group. This select group has been asked to consider the Colorado City Convention and Visitors Bureau survey of 25 hotels in the local area. The survey is concerned with the current availability of ...
*August 2, 2010*

**Math**

Strictly speaking, more information is needed for a truly correct solution due to molecular intermix between alcohol and water. In practical terms Terry is correct and his numbers are right and we will ignore the VERRY small error resulting. For the structured ALGEBRAIC ...
*May 30, 2010*

**Math**

A rectangle has one side of 3 feet and a diagonal of 3.28 ft. What is the area of the rectangle? No Pythagorean Theorem.
*May 25, 2010*

**geometry**

(180- 92)/2=44
*May 25, 2010*

**Math**

15
*May 25, 2010*

**Chemistry**

Does the solid Zn(OH)2 dissolve when concentrated lye, NaOH solution, is added to a beaker containing a saturated solution of Zn (OH)2 and a small amount of Zn(OH)2?
*May 5, 2010*

**Chemistry**

What is the pH when 0.40 g of NaOH is added to 50.0 mL of 0.10 M HCooh? No volume change. (The Ka for HCOOH = 1.8 x 10^4.)
*May 5, 2010*

**3rd grade math**

Mrs Gainey needs to buy string for 5 students to do a science activity. Each student needs 2 feet of blue string and 1 foot of red string. How many yards of string does Mrs. Gainey need to buy?
*April 12, 2010*

**Physics**

Can someone post numerical answers!! Under less than ideal conditions, a student pushes a 6 kg cart holding 2 boxes of books up a ramp to a platform that is 1.8 m high in 42 sec. Each box contains 12 kg of books. The ramp is inclined at an angle of 15 degrees. He pushes w/ a ...
*April 8, 2010*

**Physics**

Can someone actually ANSWER the question pleas and post numerical answers. Under less than ideal conditions, a student pushes a 6 kg cart holding 2 boxes of books up a ramp to a platform that is 1.8 m high in 42 sec. Each box contains 12 kg of books. The ramp is inclined at an...
*April 8, 2010*

**Physics**

Under less than ideal conditions, a student pushes a 6 kg cart holding 2 boxes of books up a ramp to a platform that is 1.8 m high in 42 sec. Each box contains 12 kg of books. The ramp is inclined at an angle of 15 degrees. He pushes w/ a steady force of 70 N to move it up. ...
*April 8, 2010*

**Physics**

Under less than ideal conditions, a student pushes a 6 kg cart holding 2 boxes of books up a ramp to a platform that is 1.8 m high in 42 sec. Each box contains 12 kg of books. The ramp is inclined at an angle of 15 degrees. He pushes w/ a steady force of 70 N to move it up. ...
*April 8, 2010*

**Math**

What is the property type of (2x100)+[(1x100)+(3x10)]+(5x10)
*March 31, 2010*

**pre calculus**

A state makes auto license plates that have two letters (excluding I, 0, and Q) followed by four digits of which the first digit is not zero. How many different license plates are possible?
*March 30, 2010*

**algebra**

one canned juice drink is 15% orange juice; another is 5% orange juice. how many liters of each should be mixed together in order to get 10 liters that is 10% juice? how many liters of 15%? how many liters of 5%?
*March 28, 2010*

**algebra**

two angles are complementary. the sum of the measure of the first angle and half the second angle is 87 degrees. find the measure of the angles. What is the measure of the smaller angle? what is the measure of the other?
*March 28, 2010*

**algebra**

the body mass index is given by the formula, or model, I=700w/h(2), where w= weight and h = height in inches. Jerome is 76 inches tall. what weight will keep his body mass index between 25 and 33 Jeromes body mass index will fa;ll between 25 and 33 for the set of weights such ...
*March 28, 2010*

**algebra**

hocky teams receive 2 points when they wi and 1 point when they tie. One season, a team won a championship with 65 points. they won 10 more games than tied. how many wins and how many ties?
*March 28, 2010*

**algebra**

plans, under plan A, Giselle would have to pay the first 130 dollars of her nedical bills plus 35% of the rest. Under plan B Giselle would pay the first 210 dollars but only 20% of the rest. for what amount of medical bills will plan B save Giselle money? assume she has over ...
*March 28, 2010*

**algebra**

Hockey Teams Receive 2 Points When They Win And 1 Point When They Tie. One Season A Team Won A Championship With 65 Point. They Won 10 More Games Than They Tied. How Many Wins And How Many Ties Did The Team Have?
*March 28, 2010*

**11th grade**

how can I delete my question?
*February 27, 2010*

**Math**

A one-story building is 370 ft by 290 ft. If a square patio with sides 27 ft occupies the center of the building, how much area remains for offices?
*February 8, 2010*

**math**

7.6x-3.5x= -123
*January 25, 2010*

**math**

7.6x-3.5x= -123
*January 25, 2010*

**Geometry**

Being that a regular hexagon is 360 degrees on the exterior (60 degree angles each) I believe the interior ones are 120 degrees. I am just wanting someone to check if this answers the question for me. Thanks.
*January 25, 2010*

**Geometry**

In a right prism whose bases are regular hexagons what is the measure of the dihedral angle between adjacent lateral faces?
*January 25, 2010*

**statisitcal biology**

I am doing a chi-square test between two categorical values. Gender vs sport played. How would i world the research question? RQ: Men participate in sport more than women? is this correct?
*January 18, 2010*

**biology**

why is the cycle of some types of cells faster than in others, and which part of the cell cycle is the most variable in length
*January 15, 2010*

**health**

The answer is in the patent's name. Multiple Sclerosis is a hardening of the Myelin sheath that covers the nerve.
*January 15, 2010*

**Math**

Hosni gave the following argument that -(a + b) = -a + -b, for all integers a and b. If the argument is correct, supply the missing reasons. If it is incorrect, explain why not. - (a + b) = (-1) (a + b) = (-1) a + (-1) b = -a + -b
*December 7, 2009*

**chemistry grade 12**

Question: Balance the following reactions by the oxidation number method. a) I2 + HNO3 --> HIO3 + NO2 + H2O so i have N +5 to +4 net charge = -1 I 0 to +5 net charge = +5 i add coefficient where the oxidation number is changing. in this case I2 + 10HNO3 --> 2HIO3 + 10NO2...
*November 19, 2009*

**chemistry grade 12**

Question: Balance the following reactions by the oxidation number method. a) I2 + HNO3 --> HIO3 + NO2 + H2O so i have N +5 to +4 net charge = -1 I 0 to +5 net charge = +5 i add coefficient where the oxidation number is changing. in this case I2 + 4HNO3 --> 2HIO3 + 4NO2...
*November 17, 2009*

**chemistry grade 12**

Question: Balance the following reactions by the oxidation number method. a) I2 + HNO3 --> HIO3 + NO2 + H2O b) MnO4- + H+ + Cl- --> Mn2+ + Cl2 + H2O I know how to give each atom oxidation number but after i don't know how to apply the method.
*November 17, 2009*

**chemistry grade 12**

Thanks DrBob222 for previous answers. Question: Balance the following reactions by the oxidation number method. a) I2 + HNO3 --> HIO3 + NO2 + H2O b) MnO4- + H+ + Cl- --> Mn2+ + Cl2 + H2O
*November 17, 2009*

**chemistry grade 12**

Canada is a major producer of aluminum by the electrolysis of bauxite. However, there are no bauxite mines in Canada, and all the ore must be imported. Explain why aluminum is produced in Canada. Be sure to cite your sources.
*November 17, 2009*

**chemistry grade 12**

Explain why the top of a commercial 1.5 V dry cell battery is always marked with a plus sign.
*November 17, 2009*

**chemistry grade 12**

Explain why, in redox reactions, the total increase in the oxidation numbers of the oxidized elements must equal the total decrease in the oxidation numbers of the reduced elements.
*November 17, 2009*

**english**

hey, i need help citing a poem for my paper. Its a poem published in a book but i found it on a website. which one do i site and how in MLA?
*November 12, 2009*

**gr 9 math**

2x + 77 = 53 - 48x
*October 31, 2009*

**english**

a repost of the above informaton. please can you tell me if my information that I wrote is Ok
*October 31, 2009*

**english**

I have to write a paper on a detail dealing with a problem in a medical supply office. 10 years ago Liz Jakowski promote me to office manager. I manage two employees: jack snyder and ruth disselkoen. My office provide office support for members of the executive team. Two years...
*October 31, 2009*

**english**

i had to write a paper on the details tht show the impact of the problem (effects)on jack, ruth, and the company section 2 the steps needed to change the situation reason to implement each step, inc luding the benefits to your employees, your role in the change could you tell ...
*October 30, 2009*

**english**

please can someone tell me that my paper is ok. I reposted the corrections and would like to know if they are Ok. For the past three months work-related problems have occurred, causing conflicts between co-workers. The ongoing problems require attention, so we can better ...
*October 30, 2009*

**english**

I posted a question about the following: Details that show the impact of the problem (effects) on Jack, Ruth and the company Section 2 The steps needed to change the situation Reason to implement each step, including the benefits to your employees, your supervisor, and the ...
*October 30, 2009*

**english**

this is the repost to my english homework could u please tell me that it's ok? this what i got: For the past three months work-related problems have occurred, causing conflicts between co-workers. The ongoing problems require attention, so we can better assist our daily ...
*October 30, 2009*

**english**

repost to above question, is my grammar ok and do the paragraph sound ok. sorry, i forgot to put corrects in. Here are the corrections: During the last past three weeks problems that were work-related brought about a particular scenario which involved Jessica Hilo who took a ...
*October 30, 2009*

**english**

repost to above question, is my grammar ok and do the paragraph sound ok.
*October 30, 2009*

**english**

i had to write a paper on the following: details that show the impact of the problem (effects) on jack ruth and the company section 2 the steps needed to change the situation reason to implement each step, including the benefits to your employees, your supervisor, and the ...
*October 30, 2009*

**science**

how do i reword this purpose staetment for my experiment? Lab Manual: Purpose: To measure a physiological quantity,your reaction time to both audio and visual stimulus. Rewording: To scientifically measure the test subjects reaction time in both audio and visual stimulus.(is ...
*October 4, 2009*

**Physics(quick Check) **

can you help us out with one more question math mate?
*October 1, 2009*

**Physics(quick Check) **

Southwesterly? beacuse they equal one another?
*October 1, 2009*

**Physics(quick Check) **

i am not sure if i am correct. A 650-N force acts in a northwesterly direction. A second 650-N force must be exerted in what direction so that the resultant of the two forces points westward? A: southeasterly It is from the southeasterly direction rite beacuse it forces the ...
*October 1, 2009*

**physics**

hey i attempted this question but i dont know if its right. can some one check for me and correct it? If an antelope accelerates from rest in a straight line with a constant acceleration of 1.71 m/s2 how long in seconds does it take the antelope to reach a speed of 26.1 m/s ? ...
*September 21, 2009*

**religion**

How do contemporary Buddhist practices reflect the foundations of the religion?
*September 19, 2009*

**college**

in recent decades, lobbyists in washington, d.c. have increasingly
*September 6, 2009*

**Math**

For i = the square root of -1, if 3i (2 + 5i) = x + 6i, then x = ? A. –15 B. 5 C. 5i D. 15i E. 27i
*June 24, 2009*

**Math**

cot75
*June 8, 2009*

**Business Communication**

A) Avoid jargon of any sort
*April 20, 2009*

**The court system**

I need to write a 1400 word paper comparing the entertainment fiction of the court system with its reality. Describe the fictional portrayals of the courtroom including the trial process, the roles of the prosecution and defense, the roles of the courtroom participants and the...
*November 29, 2008*

**Physics**

but there is only one correct answer
*October 13, 2008*

**Physics**

A v vs t graph is drawn for a ball moving in one direction. The graph starts at the origin and at t=5s the acceleration of the ball is zero. We know that at t=5s, a) the curve is not crossing the time axis b) the velocity of the ball is not changing c) the slope of the curve ...
*October 13, 2008*

**Court system**

I need to write a 200-300 word response comparing the state court system in Ohio and the federal court system. Compare these two by structure, source of laws and they types of cases that are heard.
*October 6, 2008*

**calculus**

find all intercepts x^2-4/x-1 show work
*September 30, 2008*

**calculus**

find all x,y intercepts of x+6/x-3 show work
*September 30, 2008*

**Mathematics**

1.35*10^3
*September 12, 2008*

**biology**

can h202 be broken down by catalysts other than those found in living systems ?
*July 16, 2008*

**Physics**

Do I multiply the 1 u by the mass of the aspartame then add them up . and for the mass of kg what is the conversion factor.
*April 19, 2008*

**Physics**

The artificial sweetener NutraSweet is a chemical called aspartame (C14H18N2O5). (a) What is its molecular mass (in atomic mass units)? u (b) What is the mass (in kg) of an aspartame molecule? kg I know I have to get the totally mass of the aspartame, but I'm unsure how to...
*April 19, 2008*

**Physics**

Three moles of a monatomic ideal gas expand adiabatically, and its temperature decreases from 430 to 160 K. (a) What is the work done by (or done to) the gas? Include the algebraic sign. J (b) What is the change in the internal energy of the gas? Include the algebraic sign. J
*April 19, 2008*

**chemistry 2**

A saturated solution of Mg(OH)2 has a pH of 10.52. What is the Hydronium concentration? Whats the hydroxide concentration? Is this solution acidic,or basic?
*April 18, 2008*

**chem 203**

Br2=2Br When 1.05 mol of br2 is placed in a .950L flask, 1.20% of Br2 undergoes dissociation. Calculate the equilibrium constant Kc, for this reaction. Use ICE table.
*April 13, 2008*

**Math**

Can anybody translate (y + 3)(y -2)
*March 1, 2008*

**economics**

Will it be true, false, or uncertain ?if people who was laid off return back to work that according to the productive possibility graph with a shift outward/right that butter and guns would increase. Explain.
*January 15, 2008*

**Math**

The width of a standard newspaper column is 2.625 in. and the length of a standard column is 19.5 in. Express the ratio of the two measurements as a ratio of whole numbers. The answer is 7/52 but I cannot for the life of me figure out how.
*January 15, 2008*

**social science**

By way of the ppf curve a shift inward is displayed. What would the technological change be?
*January 12, 2008*

**Math**

How would you solve this (2a^4)^2
*December 28, 2007*

**Albebra**

c squared-4c-12=0 we have to solve each equation by completing the square.
*December 4, 2007*

**physics**

how to i find average speed? the problem says. a driver set outa journey for the first half she drives at 30mi/h and second half 60mi/h. Find the driver's average speed?
*October 17, 2007*

**algebra**

the answer is C because 6-6=2-2
*October 17, 2007*

**9-11**

What are some things that have changed after the 9-11 incident?
*September 11, 2007*

**social studies**

What is the role of the witness in the courthouse? What is the role of lawyer? You can look up both roles in a dictionary and/or a search engine such as Goofle. http://www.answers.com/witness http://www.answers.com/lawyer
*July 19, 2007*

**social studies**

what is courthouse. What is the role of the people working there. What happens there. A courthouse is the place where a judge or group of judges hear and decide decisions. In addition to the judges there are usually court officers who act in policing the court and providing ...
*July 19, 2007*

**Anthropology**

What do you think are the relative contributions of individual ideas and actions and the sociocultural context in which individuals live to the conditions depicted in Bourgois’ “Office Work and the Crack Alternative”? How would you compare individual ideas and ...
*June 25, 2007*

**culture**

“They say you Americans can do anything. So why can’t you make your own cocaine and let our children come home from the coca plantations in the Chapare?” (quoted in Weatherford). Can you answer this question? What do you think would be the costs and benefits of...
*June 25, 2007*

**Anthropology**

What is “cultural” about the ways societies organize their economic systems? Think about the dominant economic system in the U.S. (production of goods and services, technology, allocation of resources, division of labor). What are some of the culturally constructed ...
*June 25, 2007*