Friday

August 22, 2014

August 22, 2014

Number of results: 2,951

**Informal Logic-Pls chk ans**

The sentence "P → Q" is read as (3) P or Q P and Q If P then Q Q if and only P 2. In the truth table for an invalid argument, (2) on at least one row, where the premises are all true, the conclusion is true. on at least one row, where the premises are all true, the ...
*September 18, 2011 by Anymous*

**Informal Logic**

Consider a debate over whether prayer should be allowed in public schools. Explain what logic can and cannot do. In other words, what kinds of questions and topics are not decided by logical analysis?
*June 29, 2011 by Anonymous*

**(pls help) algebra**

4x+y-32=1, 6x-y-4z=7, 10x+2y-6z=5 pls show me how to solve for x,y,z. Ans:xx=1.5,y=-2,z=1
*July 8, 2013 by david*

**6th grade math**

Can you check these problems, please? Translate each phrase into algebraic expression. 1. 5 more than D Ans: 5 + D 2. Twice a number W Ans: 2*W 3. Product of 60 and W Ans: 60*W 4. A number, N, decreased by 18 Ans: N - 18 5. 14 minus a number, M Ans: 14 - M 6. Twice a number, C...
*October 24, 2013 by Alex*

**informal logic**

what is the truth value of the sentence P v ~ P
*February 6, 2013 by kenxy*

**informal logic**

If an argument does not commit a fallacy, it is
*December 22, 2013 by troy*

**informal logic**

in the truth table for an invalid argument
*May 4, 2013 by dominique*

**informal logic**

If Pruth value of is true, and Q is false, the the truth of P v Q is
*February 6, 2013 by kenxy*

**informal logic**

assume you are given a sound argument. what do you know about it?
*August 28, 2013 by Anonymous*

**informal Logic**

A strongly supported claim in science should be regard
*October 16, 2011 by Anonymous*

**Informal logic**

A conditional sentence with a false antecedent is always (Points : 1)
*November 10, 2013 by Anonymous*

**informal logic **

To criticize a deductive argument logically, one might:
*April 27, 2014 by Anonymous*

**informal Logic**

Examining reasons and constructing arguments can help in (Points : 1) everyday life. science. ethics. All of the above.
*October 16, 2011 by Anonymous*

**informal logic**

Officer, please don't give me a ticket. My kids were hungry, and I had to drive fast to get them their food" may commit which fallacy?
*July 23, 2011 by bj*

**Informal Logic**

"I bought a pair of shoes from that store that immediately fell apart. Their shoes are no good" may commit which fallacy?
*September 2, 2012 by Jocelyn*

**informal logic**

Which of the following may not qualify as a falsifiable claim? (Points : 1) Your luck will improve. Your house will be sold tomorrow. Granite is more dense than sand. Smoking may cause heart disease.
*October 30, 2013 by john*

**principle of management**

10. An announcement of the company-sponsored picnic travels from the employeesâ€™ social committee to the other employees through email. This communication is ______ and ________. a. Horizontal; informal b. External; informal c. Vertical; informal d. External; formal Is C ...
*March 12, 2012 by vedrana*

**principle of management**

An announcement of the company-sponsored picnic travels from the employeesâ€™ social committee to the other employees through email. This communication is ______ and ________. a. Horizontal; informal b. External; informal c. Vertical; informal d. External; formal Is C correct ...
*March 13, 2012 by vedrana*

**Logic**

Are there advantages of modern symbolic logic over classical logic (categorical syllogisms)?
*February 25, 2011 by John*

**informal Logic**

A strongly supported claim in science should be regarded as (Points : 1) correct, but something that can always be revised. necessarily true. meaningless but fun. correct, and never needing re
*October 16, 2011 by Anonymous*

**Informal Logic**

What is the truth value of the sentence "P v ~ P"? True False Cannot be determined Not a sentence My answer is false, Is this correct?
*September 18, 2011 by B*

**PHI103 Informal Logic**

construct three different arguments that display distinct fallacies. Give an explanation of why each makes a mistake in drawing the conclusion it does. Review your classmates’ examples and see if they, in fact, commit the fallacy identified.
*October 5, 2011 by leslie*

**principle of management**

Posted by vedrana on Tuesday, March 13, 2012 at 9:39am. An announcement of the company-sponsored picnic travels from the employeesâ€™ social committee to the other employees through email. This communication is ______ and ________. a. Horizontal; informal b. External; informal...
*March 13, 2012 by vedrana*

**6th grade math**

Can you check the following problems related to inequalities? 1) Sue has more than 5 cookies. Ans: x > 5 2) The temperature was less than 88 degrees last night. Ans: x < 88 3) I made $75 or more dollars babysitting. Ans: x >= 75? 4) I need to make a 70 or more on my ...
*December 5, 2013 by Alexis*

**Physical chemistry**

A mixture contains n2o4 and No2 in the ratio 2:1 by volume what is the vapour density of the mixture.Pls answer the question i have been on the question for 2 hrs by now tried solving using mole fraction ideal gas equation an using the formula molar mass /2 but still couldn't ...
*August 7, 2014 by Rajiv*

**Math**

Let log 2 = a, log 3 = b and log 7 = c. Express the indicated logarithm in terms of a, b, and c. 1-log3 5 (3 is the subscript of the log) ans:(1-a)/b, i need someone to show me the step bcus my ans is different from the given ans. my ans=(1/a)-b.
*March 28, 2013 by ifi*

**Informal Logic**

A conditional sentence with a false antecedent is always true false Cannot be determined not a sentence i believe it is true but unsure Please help me
*June 3, 2012 by Rae*

**Informal Logic**

21{4[1(10)54]}> Choose the pair of words/phrases among the choices that exhibits the same logical relationship as the words/phrases in the following pair. heavy : weight (Points : 1)
*September 11, 2011 by Myra*

**chem**

an aq. solution(NaCl) made by using 133g diluted to a total solution volume of 1 L.Calculate the molarity, molality & mass % of the solution(density of solution = 1.08g/mL) [ans: M=1.92M, m=2.0m, 10.4 %] i need the calculation work bcus my ans is contradict from the real ans...
*July 22, 2011 by lily*

**informal logic**

Since Jessica’s participation in local politics increased significantly after she joined her school’s political science club, it is clear that her involvement in that club led her to take an interest in politics. The argument above is flawed because
*August 9, 2011 by ray*

**PHI 103 Informal Logic**

4. After being told that she is being punished for lying, a child responds by telling her mother that she also lied. This response may involve which fallacy? (Points : 1) Ad homimen (tu quoque) Ad verecundiam (ex libris) Ad misericordiam (ex ante) Ad baculum (antebellum
*October 20, 2012 by Sam*

**INFORMAL LOGIC phi:103**

"THOMAS JEFFERSON OWNED SLAVES, SO SLAVERY MUST HAVE BEEN A GOOD IDEA" MAY COMMIT WHICH FALLACY? a.APPEAL TO PITY B. nO FALLACY COMMITTED C.APPEAL TO AUTHORITY D. APPEAL TO IGNORANCE
*June 23, 2011 by suzette*

**Programming Logic**

How do I write case logic pseudocode and visual logic nested if-then-else flow charts for atm check balances, making remote photo capture check deposits, and perform balance transfers?
*May 14, 2013 by Ryan*

**science**

pls. pls. pls. somebody help me...you see im on a science class and i don't want to go to the regular section, so pls.... give me an acrostic for the word "SCIENCE"
*June 11, 2008 by chris*

**Informal Logic**

recent study of 100 employees from six departments of a major corporation found 65% to be sleep deprived. The researchers concluded that the majority of corporate employees are sleep deprived. The researcher’s conclusion is suspect because it
*July 28, 2013 by Anonymous*

**integral**

find the integral ~(e^x + x)^2 (e^x + 1)dx can you pls explain how it arrive to this? ans = 2e^4x + C
*August 6, 2009 by matrix school 2*

**geography**

hi,i have make a project on hurricane Katrina on disaster management pls help to get information pls pls help me............
*June 17, 2010 by varsha*

**Chemistry :'( **

(d) Which of the following sets of quantum numbers is not permitted? Select all that apply. 2,1,1,-1/2 1,1,0,-1/2 2,-1,1,-1/2 3,2,1,1/2 Pls pls pls help me :( x
*November 18, 2012 by Anonymous*

**PHI 103 Informal Logic**

I need major help with writing my final research paper. research paper are over whelming to me to information is need and its has to bee 6-8 i don't have that much to say.This is the topic "Is the death penalty just and applied fairly"?
*June 4, 2012 by Macc*

**discrete mathematics**

problem has to do with three valued logic, ie the values 1, 1/2, 0 interpreted as true, unknown, and false. i need to establish the connectives for the 3 valued logic, construct truth tables for the negation, conjunction, disjunction, the conditional, and biconditional. not ...
*June 6, 2012 by anthony*

**Spanish;CHECK?**

State whether the command is formal ("Ud.") or informal ("tú"). Come la sopa. Anwser: Formal Hable más despacio. Anwser: Formal No compres más ropa. Answer: Formal Beba m�s agua. Answer: Informal No vengas tarde. Answer: Informal
*January 23, 2013 by Vanessa*

**Math For College Readiness**

Simplify the Complex Fractions 1. 8a / 3b^2 / 6ab /5 2. 42x^2 + 14x / x - 7 / 2 + 6x / 21 - 3x 3. 9 + 3 / x / x / 4 + 1 /12 4. (x^-1 + x^-2)divided by (9x^-2) Ans. #1: 20 / 9 Ans. #2: 42x^2 + 6x + 4 / -2x + 14 Ans. #3: 144 / x / 3x + 1 I don't know how to do #4
*January 9, 2013 by Neil*

**integral**

Assume that a force of (3x^2 - x + 1)N is pulling an object at each point of the x-axis. find the work done in moving the object from x = 1 to x = 4 this is my answer ans = 125/2 pls do you think am right?
*August 7, 2009 by matrix school 2*

**Math**

Differentiate f(x)= (8-2x)^3(x^2+1)^5. My ans is 2(8-2x)^2(x^2+1)^4(-3x^2-10x+37). Plz recheck my simplify ans. -my simplify ans is not the same as wolfram but the long ans is same with wolfram-
*October 28, 2012 by Ifi*

**Language Proof and Logic(Philosophy)**

exercise 5.8 write an informal proof of Premises: LeftOf(a,b) | RightOf(a,b) BackOf(a,b) | ~Leftof(a,b) FrontOf(b,a) | ~RightOf(a,b) SameCol(c,a) & SameRow(c,b) conclusion BackOf(a,b) State if you use proof by cases.
*March 1, 2013 by Ashley*

**Math**

How to d/dx y= (9+((x-9)/6)^1/5)^1/2 ? Hope u can give me the way how to calculate it. ^^ I got 1/60 ((x-9)/6) ^ (-9/10), i think my answer is wrong because i check at wolfram website the ans is differrent from mine (sorry i didnt write the ans bcus the ans is quite long and ...
*October 27, 2012 by Ifi*

**critical reading**

1.A powerful general fallacy category is "jumping to conclusions" which consists of a.using humor or ridicule. b. closing an issue before all the evidence is in. c. arguing from ignorance. i think the ans is b.but am not sure. 2.A three step approach to evaluating and making ...
*September 7, 2011 by faith*

**6th grade Lang Arts**

Can you check my homework, please? Identify each pronoun as personal, reflexive, demonstrative, indefinite or interogative. 1. These are Elberta peaches, which are very popular in the United States. Ans: these = indefinite 2. Nobody really knows where the fruit came from ...
*April 16, 2014 by Alexis*

**VOCABULARY**

1. Barren is to produce as a. inhumane is to abuse b. timid is to fear c poised is to enjoy d ignorant is to know Ans d 2. resume is to career as a. ruce is to war b. speaker is to oration c. synopsis is to plot d. paragraph is to sentence Ans b 3. scurry is to walk as a. dive...
*July 15, 2014 by need help*

**English**

To indicate a word is slang or informal usage,: A. enclose it in quotation marks. B. explain it in parentheses. C. underline it. D. None of these; do not use slang or informal terms. A
*May 5, 2014 by Angela*

**Finance**

Omega Instruments has budgeted $300,000 per year to pay for certain ce- ramic parts over the next 5 years. If the company expects the cost of the parts to increase uniformly according to an arith- metic gradient of $1 0,000 per year, what is it expecting the cost to be in year...
*May 26, 2013 by Aly*

**12th grade maths**

just like to check if ive got these right. if not can you help?? make the subject (q) p(q+r)=2(q-p)ans q=pr+2p/(2-p) make the subject (p) p+3=qp+r/(2) ans p=r-6/(2-q) make the subject (r) p(r-q)=2+3(q-r) ans r=2+3q+pq/(p+3) make the subject (x) y=r-qp/(x) ans x=r-qp/(y)
*September 6, 2010 by adam*

**12th grade maths**

just like to check if ive got these right. if not can you help?? make the subject (q) p(q+r)=2(q-p) ans q=pr+2p/(2-p) make the subject (p) p+3=qp+r/(2) ans p=r-6/(2-q) make the subject (r) p(r-q)=2+3(q-r) ans r=2+3q+pq/(p+3) make the subject (x) y=r-qp/(x) ans x=r-qp/(y)
*September 6, 2010 by adam*

**Math**

Can u pls pls pls solve this algebraic expression?? I cant solve it although I tried many possible ways and solutions :/ 10+1/3[4k-(18+7k)]
*July 31, 2011 by Sally*

**math**

find the coordinates of the point where the tangent to the curve y=x^3 +x +2 at the point (1,4) meets the curve again. [ans:-2,-8] pls help me i dont understand the question....
*July 22, 2011 by rita*

**precalculus**

Find the focus, directrix, and focal diameter of the parabola. 9x + 7y2 = 0 my answers were focus = -9/28,0 fd =9/7 directrix= -9/28 (this ans. is incorrect) what am I missing? pls help
*December 1, 2012 by amaa*

**Integral Calculus**

A typical flea jumps vertically w/an initial velocity of about 5ft/s. How much does the flea jump? Ans. 65/64ft or 4.7in.. pls show the solution and explain.. thanks a lot.. :)
*September 21, 2008 by Akitsuke*

**informal Logic**

One way to disconfirm the scientific hypothesis that chickens cannot fly would be to (Points : 1) ask someone. look very hard for a chicken that can fly. simply assert that chickens can fly. simply assert that chickens cannot fly.
*October 16, 2011 by Anonymous*

**VOCAB **

1. hearth is to heat as a. lamp is to light b. sink is to kitchen c. door is to lock d. bed is to blanket ans. a 2. Basket weaving is to handicraft as a. profession is to medicine b. carpentry is to trade c. skill is to talent d. hobby is to stamp collecting ans b 3. laugh is ...
*July 15, 2014 by need help*

**PHI 103 informal logic**

One way to disconfirm the scientific hypothesis that chickens cannot fly would be to (Points : 1) ask someone. look very hard for a chicken that can fly. simply assert that chickens can fly. simply assert that chickens cannot fly.
*September 30, 2012 by Anonymous*

**College**

Identify the advantages of modern symbolic logic over classical logic (categorical syllogisms)?
*February 25, 2011 by John*

**Phi103**

explain what logic can and cannot do. In other words, what kinds of questions and logic are not decided by logical analysis
*October 31, 2011 by Mary Smith*

**Logic and Design**

What logic is used when pseudocoding compound conditions?
*November 12, 2010 by Yvonne*

**6th grade math**

Can you check these, please? 1. George had 5 apples. His mother gave him a few more apples to share with his friends. Write an expression to represent the total number of apples George has. Ans: 5 + n 2. four times as much as a number k Ans: 4k 3. Michelle writes 15 pages in ...
*October 29, 2013 by Alex*

**social studies**

Logic can do a great deal in helping us understand our arguments. Explain what advantages we obtain by studying logic in terms of improving our reasoning. Consider a debate over whether prayer should be allowed in public schools. Explain what logic can and cannot do. In other ...
*May 29, 2011 by kim*

**math-logic(shsat)**

Question: If 15 - 2x < 7, then for all possible values of x that make the inequality true, (a) x<8 (b) x>8 (c) x>4 (d) x<4 (e) x>1/4 Answer: i chose the answer (d) but the answer of the book said (c). i understand where they are coming from we have to change ...
*September 23, 2011 by samantha*

**Informal english**

Hello, I am from Norway 16 years old, i wonder if this text is enough informal. If not how can I make it more informal. Thanks in advance :-D I thought rather that the farmers should protect their animals, we do not need the wolves, they are not useful for anything. ...
*October 19, 2009 by Sebastian*

**business communication**

The language style of minutes reflects the type of meeting held. This means: (Points: 5) a) the more formal the meeting, the more informal the wording and tone of the minutes. b) the more informal the meeting, the more formal the wording and tone of the minutes. c) the tone ...
*June 27, 2011 by lisa*

**Physics**

What is the logic behind logic NOR gate?
*April 19, 2012 by Tulika*

**PHI 103 **

1. What is Symbolic Logic 2. Why Study Logic
*January 5, 2013 by Jusus *

**chem**

an aq. solution(NaCl) made by using 133g diluted to a total solution volume of 1 L.Calculate the molarity, molality & mass % of the solution(density of solution = 1.08g/mL) [ans: M=1.92M, m=2.0m, 10.4 %] i need the calculation work bcus my ans is contradict from the real ans.
*July 21, 2011 by lily*

**Informal Logic**

Construct a deductive argument that is valid but not sound. Then, construct a valid deductive argument that is sound. Be sure to put the argument in premise-conclusion form.
*September 30, 2011 by leslie*

**Physics**

A child pulls a wagon along level ground. The handle with which she pulls the wagon makes an angle of 20.0 degrees with the ground as the child pulls with a force of 78.0 Newton. What are the components of the force. Pls pls pls pls help me answer this and may God bless u!
*October 16, 2013 by Stephanie*

**PHI103 Informal Logic**

Assume Mary is forced to let her children go hungry or steal some food from a local grocery store. Which should she do? Construct an argument that supports Mary's decision to steal the food or an argument that shows why Mary should not steal the food.
*October 15, 2011 by lizzie*

**Grammar**

Type the word that has been incorrectly capitalized or needs to be capitalized: 1.Pardon me, Captain, but have you had some of the russian caviar? Ans- Russian 2.The blue waters of San Francisco bay signaled our entry into California. Ans- Bay 3.Cross the Bill Benson Bridge ...
*May 13, 2009 by mysterychicken*

**French work**

1. Mon grand-pere, Rudy a quatre-vingt-un ans. Il est brave et aimant. 2. Ma grand-mere, Dorothy a quatre-vingt ans. Elle est amusante et adorable. 3. Mon pere, Gary a cinquante-trois. Il est fort et brun 4. Ma mere, Theresa a cinquante-duex. Elle est blonde et aimable. 5. Ma ...
*January 18, 2009 by Alex B.*

**Logic**

I'm having a lot of trouble grasping the concept of 'begging the question' when it comes to formal logic. Can someone please describe it to me in layman's terms?
*October 28, 2008 by Narine*

** Informal Logic**

rite two arguments in English, one in the form of modus ponens and one in the form of modus tollens. Then, write the arguments in symbols using sentence letters and truth-functional connectives. (If your computer does not have all the symbols needed, use some other symbol you ...
*August 5, 2012 by Nicole *

**Physical Science**

I had a couple of questions for homework and I answered them the best I could. Can someone check and tell me if they are correct? 1.To describe the position of an object accurately, scientists use what? Ans- Coordinate Systems 2.In science, we have to describe the motion of an...
*March 17, 2009 by mysterychicken*

**Physical Science**

I had a couple of questions for homework and I answered them the best I could. Can someone check and tell me if they are correct? 1.To describe the position of an object accurately, scientists use what? Ans- Coordinate Systems 2.In science, we have to describe the motion of an...
*March 18, 2009 by mysterychicken*

**physics**

an electron with a mass of 9.11 x 10^-31 kg is accelerated from rest across a set of 150 V and are separated by 0.80 cm. a) determine the kinetic energy of the electron after it crosses between the plates.( ans 2.4 * 10^-17 j) b) determine the final speed of the electrons. (...
*January 12, 2013 by David *

**Logic and Design**

I need help with pseudocode, and any help regarding forming these programs in Visual Logic would be helpful as well. Question 1: You have been asked to design the logic that will display each of the following lines to a screen. John Doe 52 The end Program written by: Brandon ...
*August 5, 2008 by Brandon*

**Physical Science [repost]**

I had a couple of questions for homework and I answered them the best I could. Can someone check and tell me if they are correct? 1.To describe the position of an object accurately, scientists use what? Ans- Coordinate Systems 2.In science, we have to describe the motion of an...
*March 18, 2009 by mysterychicken*

**Geometry... Please help soon!**

Write four arguments that meet the following criteria: Argument 1: The argument has a false premise, but follows good logic. Argument 2: The argument has true premises, but follows poor logic, leading to a false conclusion. Argument 3: The argument has either a false premise ...
*January 6, 2011 by Joan*

**lang arts**

Find predicate adjective & participle in sentence 10. While others tried new approaches, she remained faithful to the traditional methods. ANS: Part = new, traditional 11. Pavlova achieved great success in several celebrated tours Ans. Part = great & several 12. Her controlled...
*June 2, 2014 by need help*

**language arts**

indicate the Predicate Adjective & Participle of ea sentence: 1. Nearly 150 years later, a talented ballet dancer appeared in the same city. ANS: Part= talented, PA =same 2. Anna Pavlova's family was poor. ANS: PA = poor 3. Nevertheless, she joined into the famed Imperial ...
*June 2, 2014 by need help*

**Math**

What is the ANS button for on Ti-83 Hi, I am learning about storing numbers on my Ti-83. I understand how to store a number, but I do not know what the ANS key is for, when I use it I get a different number because I use e^x--> ans-->enter, which gives me a much higher ...
*February 13, 2012 by Hudson*

**FRENCH/Sra JMcGin**

Bonjour! Pourriez-vous me dire, s'il vous plait, quelle de ces phrases et correct? Je veux dire: " it has been two years since we were there" 1) Il y a deux ans que nous y étions 2) Il y a deux ans que nous étions là 3) Il a été deux ans depuis que nous étions là 4) Il y a ...
*April 3, 2011 by E.G.*

**VOCAB **

No matter how efficient the new chairperson may be, the meeting will not proceed (harmoniously, authoritatively) unless the new members cooperate Ans - harmoniously A party that cannot offer new ideas to deal with the pressing problems of the day must be considered politically...
*June 17, 2014 by need help*

**Physics **

An electron with a mass of 9.11 *10^31 Kg is accelerated from rest across a set if parallel plates that have a potential difference of 150 v and are separated by 0.80 cm A) determine the kinetic energy of the electron after it crosses between the plates. (Ans 2.4 * 10-17 ) B) ...
*January 10, 2013 by Lilia *

**Public Speaking Please Check**

(TCO1) Real disagreements between people are usually not present because members like to appear flexible during this stage of group development: My answer storming norming storming adjourning forming 9. (TCO1) Group goal statements should be: my answer acceptable and ...
*January 10, 2010 by Bryan*

**informal logic**

Write two arguments in English, one in the form of modus poens and one in the form of modus tollens. Then write the arguements in symbols usimg sentence letters and truth-functional connectives. What advantages does being able to symbolize our arguments provide? Are there ...
*November 14, 2011 by rohwer42*

**Chemistry**

Could someone please check my Chemistry homework? The molecular formula for cisplatin, a chemotherapy agent, is PtCl2(NH3)2 (The numbers are all supposed to be subscripts) 1. What is the molar mass of cisplatin? Ans: 300.06 g/mol 2. How many moles of hydrogen atoms are in one ...
*January 13, 2008 by Nathalie*

**Physical Science**

One more worksheet with questions that I need to have checked! 1.Average speed is the ________ an object travels divided by the ________ it takes. Ans- distance; time 2.The velocity of an object is its ___ in a certain _______. Ans- speed; direction 3.The steepness of the line...
*March 17, 2009 by mysterychicken*

**Physical Science**

One more worksheet with questions that I need to have checked! 1.Average speed is the ________ an object travels divided by the ________ it takes. Ans- distance; time 2.The velocity of an object is its ___ in a certain _______. Ans- speed; direction 3.The steepness of the line...
*March 18, 2009 by mysterychicken*

**FRENCH - repost**

Pourriez-vous me dire, s'il vous plait, quelle de ces phrases est correct? Je voudrais dire: "It has been two years since we were there". 1) Il y a deux ans que nous y étions. 2) Il y a deux ans que nous étions là. 3) Il a été deux ans depuis que nous étions là. 4) Il y a deux...
*April 3, 2011 by E.G.*

**lang arts**

1. Nearly 150 years later, a talented ballet dancer appeared in the same city. ANS: Part= talented & ballet, same 3. Nevertheless, she joined into the famed Imperial School of Ballet in St. Petersburt ANS: Part= famed 4. Anna's teachers were famous themselves. ANS: PA = famous...
*June 2, 2014 by need help*

**math**

a straight line passing through the origin with slope m cuts the circle x^2+y^2-4x-2y-4=0 at A(a,b) and B(b,c). A. Find a quadratic equation whose roots are a and c ans: (1+m^2)x^2-(2m+4)x-4=0 B. if P is the mid-point of AB, find the coordinates of P in terms of m. ans: P= (m+...
*September 26, 2007 by wong*

**math**

find the eqt. of tangent to the curve y=-x^2+2x-10.[ans:y=2x-10] but my ans is y=-9. if im wrong could you show the calculation.
*July 22, 2011 by fanny*

**English**

Is logic and thinking the same thing. Like could i say His logic and thinking became completely different.
*December 14, 2010 by James*

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