Friday

April 18, 2014

April 18, 2014

Number of results: 105

**mathematic**

C is 1
*Saturday, May 18, 2013 at 9:14am by not serious*

**mathematic**

C=0.0909???
*Saturday, May 18, 2013 at 9:14am by Mario007*

**mathematic**

ans of c ???? is 1 ????
*Saturday, May 18, 2013 at 9:14am by sarah*

**mathematic**

0.05
*Saturday, May 18, 2013 at 9:14am by matt*

**mathematic**

0.06
*Saturday, May 18, 2013 at 9:14am by mark*

**mathematic**

cheaters
*Saturday, May 18, 2013 at 9:14am by hahaha*

**mathematic**

0.5455 is wrong
*Saturday, May 18, 2013 at 9:14am by me*

**mathematic**

how do u get 0.1818
*Saturday, May 18, 2013 at 9:14am by sailesh*

**Mathematic**

1000
*Wednesday, February 26, 2014 at 11:15am by PsyDAG*

**math**

+2 - 10 = -8 http://www.mathematic.ws/wp-content/uploads/2009/04/number-line.png
*Thursday, October 25, 2012 at 9:24pm by Ms. Sue*

**Mathematic**

v-8<35
*Tuesday, April 13, 2010 at 10:25pm by melissa*

**mathematic**

Is there a question here?
*Monday, February 4, 2013 at 12:41pm by bobpursley*

**mathematic**

x^2/9 + y^2/16 = 1 a=3, b=4, so c=√7 e = c/a
*Friday, March 15, 2013 at 1:36am by Steve*

**mathematic**

C = 0.0909 and 0.6 are wrong
*Saturday, May 18, 2013 at 9:14am by Din123*

**mathematic**

0.5455 is correct!
*Saturday, May 18, 2013 at 9:14am by ct*

**mathematic**

how to do eucliodean geometry
*Tuesday, February 4, 2014 at 3:18am by bahle*

**Mathematic**

Haw many meters are in 2.7 kilometers
*Monday, March 18, 2013 at 10:50pm by Donita*

**Mathematic**

How many milliliters in liter
*Wednesday, February 26, 2014 at 11:15am by Eza mabhixwana*

**mathematic**

if f(x)=cos(5x) find f(pie/4)
*Sunday, July 19, 2009 at 1:21pm by matthew*

**mathematic**

set-builder notation (-1;12]
*Monday, February 4, 2013 at 12:41pm by Anonymous*

**mathematic**

0.1818 is the correct one (Believe)
*Saturday, May 18, 2013 at 9:14am by Dave*

**Financial Mathematic**

The answer is $28418.78
*Sunday, September 25, 2011 at 6:21pm by Teibouri, Bamaere*

**Mathematic**

1 kilometer = 10,000 decimeters
*Saturday, March 16, 2013 at 3:42pm by Ms. Sue*

**Mathematic...**

Have you checked the definition of |x|? |x| = x if x >= 0 |x| = -x if x<0
*Wednesday, August 7, 2013 at 10:15pm by Steve*

**mathematic**

Verification of algebraic identities geometrically? (x+a)(x=b)=x2 +(a+b)x+ab.
*Friday, August 26, 2011 at 2:38pm by Anuj*

**engineering mathematic**

You are wasting your time. See my other post on this.
*Tuesday, March 15, 2011 at 9:19am by bobpursley*

**liberal mathematic**

Write the equation of the line with a slope of -5 and a y-intercept of (0,3).
*Sunday, September 4, 2011 at 3:28pm by brian*

**mathematic**

She must have 11-1 = 10 dimes
*Tuesday, April 24, 2012 at 8:19pm by Ms. Sue*

**mathematic**

Thks Bob,as soon as you get the answer you can post us how to do it...
*Saturday, May 18, 2013 at 9:14am by Anonymous*

**Mathematic...**

If /x/ = -x, then x mst be A. Positive B. Nonnegative C. Negative D. Nonpositive E. Zero
*Wednesday, August 7, 2013 at 10:15pm by Anonymous*

**Mathematic**

The value of the expression (5-7)(-8+4)/2-(-6) is A. -33 B. -28.5 C.7.75 D. 20.25 E. 23.5
*Wednesday, August 7, 2013 at 10:12pm by Anonymous*

**Math**

Use this number line. Start with -5 and count 6 to the right. What is your answer? http://www.google.com/imgres?imgurl=http://www.mathematic.ws/wp-content/uploads/2009/04/number-line.png&imgrefurl=http://www.mathematic.ws/&h=380&w=841&sz=9&tbnid=VfMMsMGGLn23uM:&tbnh=66&tbnw=...
*Monday, January 17, 2011 at 8:45pm by Ms. Sue*

**mathematic**

find the ecentricity and coordinates of foci of the ellipse 16x2 + 9y2= 144
*Friday, March 15, 2013 at 1:36am by sarath mohan*

**Rubric and mathematics**

How can students be involved in understanding and using rubrics to help with their learning mathematic concepts or skills?
*Sunday, March 30, 2008 at 9:48pm by Sarah*

**math**

Describe the mathematic process of canceling like factors when working with rational expressions... Demonstrate this with an example
*Wednesday, April 28, 2010 at 12:52am by Laughter*

**mat117**

Describe the mathematic process of canceling like factors when working with rational expressions. Demonstrate this with an example
*Thursday, February 24, 2011 at 12:32pm by judyanne*

**algebra**

describe the mathematic process of canceling like factors when working with rational expressions adn demonstrate this with an example
*Wednesday, April 28, 2010 at 12:54am by Laughter*

**mathematic**

Yeah, Bob. Don't be mean. Anyways, I'm relevantly sure thet the first answer is 100%, and the second one is 50%.
*Saturday, May 18, 2013 at 9:14am by Emerald*

**Math and rubric**

How can students be involved in understanding and using rubrics to help with their learning mathematic concepts or skills? I am sorry for not being mor specific ...
*Sunday, March 30, 2008 at 12:01am by Sarah*

**mathematic**

Yeah Bob, this guy probably wants a job deciding whether a drug is safe or not. What harm is there if s/he is totally clueless about probability?
*Saturday, May 18, 2013 at 9:14am by seriously*

**mathematic**

ellen has 11 pennies she has 1 fewer dimes how many dimes does she have?
*Tuesday, April 24, 2012 at 8:19pm by shakari*

**kivule secondar Mathematic **

how many decimetres are there in a kilometre?
*Saturday, March 16, 2013 at 3:45pm by Abdallah ally abdallah*

**Mathematic**

integral cos^2 3x . sin^4 3x dx
*Sunday, March 17, 2013 at 12:02pm by Intan*

**Mathematic**

solve x2 + 2x - 3 < 0 and graph. Anyone can solve the problem please.
*Tuesday, April 13, 2010 at 10:25pm by write2khin*

**Mathematic**

1/2 hour is 30 minutes That's 6 periods of 5 minutes each so, he read 6*3 = 18 pages
*Monday, April 29, 2013 at 8:08am by Steve*

**mathematic**

OK but really about part C I'm confused. I think it should be 25% or 0.25 but it is wrong!!!!
*Saturday, May 18, 2013 at 9:14am by nancy*

**engineering mathematic**

using triple integral, find the volume of the solid bounded by the cylinder y^2+4z^2=16 and planes x=0 and x+y=4. please help to solve this problem
*Tuesday, March 15, 2011 at 8:32am by luthfi*

**engineering mathematic**

using triple integral, find the volume of the solid bounded by the cylinder y^2+4z^2=16 and planes x=0 and x+y=4. please help to solve this problem
*Tuesday, March 15, 2011 at 9:19am by luthfi*

**Mathematic**

how many decimetres are there in a kilometre?
*Saturday, March 16, 2013 at 3:42pm by Abdallah ally abdallah*

**Mathematic**

1 km = 1000 m 2.7 * 1000 = ?
*Monday, March 18, 2013 at 10:50pm by Ms. Sue*

**infinite mathematic**

Copying and pasting from some sources doesn't seem to work here. You may need to type the information. Also include in your post what you've done to answer the question and how you'd like us to help you.
*Monday, June 22, 2009 at 7:37pm by Ms. Sue*

**psychology **

THE ABILITY TO SOLVE ABSTRACT PROBLEMS SUCH AS THOSE FOUND IN ALGEBRA AND HIGHER MATHEMATIC IS INFLUENCED BY BOTH DEVELOPMENT AND A)GENETICS B)SOCIETAL FACTORS C)HEALTH D)COGNITIVE STYLE
*Sunday, July 11, 2010 at 12:14pm by fred*

**math**

i want a mathematic equation to apply on the number 579494 and get as a result the number 573 ,they told me that its simple but i can't figure it out(if somebody find many ways please give it all ).thanks
*Friday, May 20, 2011 at 10:30pm by youssef*

**mathematic**

here are: A=1 B=.5 C, I'm in the process to solve it, Definitely is not 1 or 0 after all, in real life you'll have to prove that you are able solve this kind of problems by yourself, or you better not say that you know probability!
*Saturday, May 18, 2013 at 9:14am by Anonymous*

**mathematic**

Substitue π/4 for x to get f(π/4) = cos(5π/4) = -sqrt(2)/2
*Sunday, July 19, 2009 at 1:21pm by MathMate*

**Mathematic **

Pravin read 3 pages of storybook every 5 minutes. How many pages did he read after half an hour?
*Monday, April 29, 2013 at 8:08am by Anonymous*

**mathematic 11**

20000*(1+.054*3) = 23240 20000*1.054^3 = 23418 subtract to find the difference
*Tuesday, May 15, 2012 at 3:58pm by Steve*

**mathematic**

read any book on the subject. If you like to suffer, start with Euclid's "Elements" If you really like torture, read it in the original Greek!
*Tuesday, February 4, 2014 at 3:18am by Steve*

**mathematic**

draw a rectangle, sides x+a and side x+b draw appropriate lines at each x mark (horizontally, and vertically), creating sub rectangels x^2, ax, bx, ab Notice that the sum of the areas add to (x+a)(x+b)
*Friday, August 26, 2011 at 2:38pm by bobpursley*

**mathematic 11**

to save for a motercyle, abdul deposited $2000 into an account that earned simple interest at 5.4% per year. how much more would the investmennt earn in 3 years if it was invested at 5.4% per year, compounded anually?
*Tuesday, May 15, 2012 at 3:58pm by josh wat*

**Mathematic**

Factor the equation into (x -1)(x + 3) <0 then break it up into two statements x -1<0 or x +3<0 then solve for x<1 or x<-3 then graph that on a number line which is all points less than 1 with an open circle on 1.
*Tuesday, April 13, 2010 at 10:25pm by Rhonda*

**mathematic**

I'm with Bob, the test and the course are very easy. I started it a week ago and I have already gotten a passing grade. If you try hard, you shouldn't have difficulty in passing the course. So just try to follow the Honor Code and do not cheat.
*Saturday, May 18, 2013 at 9:14am by MG*

**engineering mathematic**

give that z = f(x,y). use partial derivatives to find δz/δx and δz/δy for xe^xz + z(xy+1)^3-sin x cos^2y=xy/z present your final answer in the simplest form.. please solve this problem....tq
*Tuesday, March 15, 2011 at 11:33am by waklu*

**Mathematic**

Well, your original line of text is not the same as the answer key's explanation. I assume you get 3+4+5=12 Now, 2/(2/3) = 2*(3/2) = 2 when you divide by a fraction, it's the same as multiplying by its reciprocal. In fact, when you divide by anything, it's the same as ...
*Wednesday, August 7, 2013 at 1:35pm by Steve*

**Business math and statistic**

If 45% students of a class has taken mathematic and 85% students has taken biology find the percentage of such students of a class who have taken biology.
*Wednesday, April 20, 2011 at 12:56pm by Anonymous*

**kivule secondar Mathematic**

1 decimeter = 10^-1 meter 1 kilometer = 10^3 meters so 1 km = x dcm *(10^-1 m/dcm )* (1 km/10^3 m) x = 1 * 10^1 * 10^3 x = 10^4 = 10,000
*Saturday, March 16, 2013 at 3:45pm by Damon*

**Mathematic**

again: 1 decimeter = 10^-1 meter 1 kilometer = 10^3 meters so 1 km = x dcm *(10^-1 m/dcm )* (1 km/10^3 m) x = 1 * 10^1 * 10^3 x = 10^4 = 10,000
*Saturday, March 16, 2013 at 3:42pm by Damon*

**mathematic**

A ladder 10 meter long is leaning against a wall. If the top of the ladder is sliding down the wall at 3m/s, how fast is the angle between the top of the ladder and the wall changing when the foot of the ladder is 6 meter away from the wall?
*Thursday, March 22, 2012 at 8:23am by skullhong*

**Mathematic**

1. 2/(2/3) + 3/4/(4/5). 2/(2/3) + (3/4)/(4/5) = 2*(3/2) + (3/4)*(5/4) = 6/2 + 15/16 = 48/16 + 15/16 = 63/16 2. (2/5)(2/3)/(5/6)/(3/10) = (2/5)(2/3)(6/5)(10/3) = 240/225 = 48/45 = 16/15. The answer cannot be less than one.
*Wednesday, August 7, 2013 at 1:35pm by Henry *

**c++**

Your Mathematic school teacher want to use a program that can read the name and the mark of a student. Your teacher want the program to automatically find the grade of the mark and display the result(name, mark and grade). Help your teacher to develop a program that can solve ...
*Thursday, October 11, 2012 at 5:16am by sarah*

**Mathematic**

. The number of vibrations per second made when a stretched wire is plucked varies directly as the square root of the tension in the wire and inversely as the length. If a 1.23 m long wire will vibrate 325 times each second when the tension is 115 N, determine the number of ...
*Tuesday, November 22, 2011 at 10:35pm by Robert*

**mathematic**

let the angle you mentioned be Ø Let the foot of the ladder be x ft from the wall, and the height of the ladder be y ft cosØ = y/10 y = 10cosØ dy/dt = -10sinØ dØ/dt when x = 6 x^2+y^2=100 y = 8 , and sinØ = 8/10 Also we know dy/dt = -3 m/s -3 = -10(8/10)(dØ/dt) dØ/dt = 3/8 ...
*Thursday, March 22, 2012 at 8:23am by Reiny*

**Mathematic**

2/(2/3)+3/4/(4/5)= The answer key explains it like this: 2/(2/3)+3/(3/4)+4/(4/5)=2x3/2+3x4/3+4x5/4= 3+4+5=12 *I do not understand how the answer is 12. If 2/5 of (2/3)/(5/6) is divided by 3/10, what is the resulting value? The answer key explains it like this: 2/5((2/3)/(5/6...
*Wednesday, August 7, 2013 at 1:35pm by Anonymous*

**Mathematic**

frequency = k √t/L given: 325 = k√115/1.23 k = 1.23(325)/√115 for 2nd case frequency = (1.23(325)/√115) √92/.95 = ..... you do the button-pushing
*Tuesday, November 22, 2011 at 10:35pm by Reiny*

**Mathematic**

In google type : wolframapha widget "Step-by-step integration" When yoe see list of results click on : WolfrAlpha Widget "Step-by-step integration" When page be open in rectangle type : cos^2(3x)sin^4(3x) (type exactly like that) and click option : Submit When you see result ...
*Sunday, March 17, 2013 at 12:02pm by Bosnian*

**Math**

Eh, this is just a term of speech to denote different times. For instance, an hour is 60 minutes right? Well, if you broke it into 4 quarters it would be 15 mins each, so when someone says its "Quarter to", that means its 15 minutes away from being that hour. Example: its 4:...
*Monday, August 27, 2007 at 3:01pm by Vince*

**infinite mathematic**

Section 6.8: Table1: Customer# Random# Time req. Teller Start time End Time 1 10 8 A 9:00 9:08 2 7 5 B 9:00 9:05 3 2 3 C 9:00 9:03 4 3 3 C 9:03 9:06 5 1 3 B 9:05 9:08 6 6 5 C 9:06 9:11 7 4 3 A 9:08 9:11 8 3 3 B 9:08 9:11 9 1 3 A 9:11 9:14 10 10 8 B 9:11 9:19 11 6 5 C 9:11 9:16...
*Monday, June 22, 2009 at 7:37pm by ty*

**mathematic**

In surveys about sensitive topics, respondents are sometimes given ways to “hide” their answers from the surveyor. In a survey of taxpayers, one of the questions is, “Did you cheat on your taxes?” To answer, the respondent is asked to toss a coin. If it lands heads, the ...
*Saturday, May 18, 2013 at 9:14am by Anonymous*

**AED**

I choose science as my topic for this checkpoint. I feel it is relevant to the age I am going to be working with in my teaching field. I will be working with the kindergarteners. The ages range from 5 or 6 year olds to about 7 year olds. The first intelligence I chose is the ...
*Thursday, June 26, 2008 at 6:36pm by dawn*

**AED**

This looks very good. Just a few minor suggestions -- I choose science as my topic for this checkpoint. I feel it is relevant to the age I am going to be working with in my teaching field. I will be working with the kindergarteners. The ages range from 5 or 6 year olds to ...
*Thursday, June 26, 2008 at 6:36pm by Ms. Sue*

**math**

can someone give me an example of how can one apply any concept (determining the slope and equation of a line, applying linear functions to mathematic applications, solving equations using the method of least squares) in order to decide if data are linear. Since this is not my...
*Tuesday, May 22, 2007 at 9:53am by math student 05*

**Essay:)**

Topic: Compare and Contrast the Tang and song dynasties China? The Tang Dynasties (June 18,618-June 4,907)was an imperial dynasty of china preceded by the Sui Dynasty and followed by the Five Dynasties Ten Kingdoms period. It was founded by the cifamily. In chinese history, ...
*Wednesday, June 13, 2012 at 3:25pm by Ciara*

**teaching as a professional career**

In a 200- to 300-word response, you must identify 3-5 factors that define teaching as a professional career, and elaborate on how teachers employ these factors on a daily basis. Your responses might include the following: teaching requires professional knowledge and/or ...
*Saturday, September 6, 2008 at 5:43pm by ashajackson*

**Math essay**

Afterward, in the 20th century the profession of Mathematics became even more significant. There were hundreds of new Ph.D’s in Mathematics that were honored every year. Also, jobs were accessible both in teaching and industry. David Hilbert presented twenty three unsolved ...
*Tuesday, November 27, 2007 at 6:28pm by Soly*

**Math essay**

There was also a new form that was developed in the 19th century. This new form of algebra was called Boolean algebra, which was invented by a British mathematician George Boole. Boolean algebra was a system in which only consisted of the numbers zero and one. Today, this ...
*Tuesday, November 27, 2007 at 6:28pm by Soly*

**Math essay**

The 19th century lead to Mathematics becoming abstract. One of the greatest mathematicians of all time lived during the 19th century. He was Carl Friedrich Gauss (1777-1855) and he gave the first acceptable proofs of the fundamental theorem of algebra and of the quadratic ...
*Tuesday, November 27, 2007 at 6:28pm by Soly*

**Math essay**

Still there was one more question which was: what kind of number is the square root of two? Greeks had already known that it wasn’t a fraction and this question could have possibly played a part in the on going development of fractions. John Napier (1550-1617) came up with a ...
*Tuesday, November 27, 2007 at 6:28pm by Soly*

**Math essay**

The 18th century brought even more historical events in Mathematics. The knowledge of the natural numbers are preserved in monolithic structures, it is the older than any surviving written text. One way to see the development of the assorted number systems of modern ...
*Tuesday, November 27, 2007 at 6:28pm by Soly*

**Math essay**

Europe in the 17th century would now be seeing an exceptional explosion of mathematical and scientific ideas. Galileo observed Jupiter’s moons in orbit using a telescope that was based on an imported toy from Holland. Then a Dane by the name of Tycho Brahe, collected a vast ...
*Tuesday, November 27, 2007 at 6:28pm by Soly*

**Math essay**

Europe’s Mathematics would now shift into early modern Mathematics in c. 1400-1600. While Europe was in its dawn of the Renaissance, still Mathematics was limited by awkward notation in which Roman numerals were used and relationships were expressed by using words instead of ...
*Tuesday, November 27, 2007 at 6:28pm by Soly*

**Math essay**

With these new sources, it sparked a renewal of Mathematics. Thomas Bradwardine proposed that speed (which is represented as V) gets bigger in arithmetic proportion as the ratio of force (which is represented as F) to the resistance (which is represented as R) increases in ...
*Tuesday, November 27, 2007 at 6:28pm by Soly*

**Math essay**

In c. 500- 1400, the Medieval European mathematics progressed. The Medieval European’s interest in Mathematics was driven by concerns that were quite different from those of modern Mathematics. It was the belief that Mathematics provided the main insight of the created order ...
*Tuesday, November 27, 2007 at 6:28pm by Soly*

**Math essay**

Around 1000 AD, in a book written by Al-Karaji appeared the first known proof by mathematical induction. The book was used to prove the binomial theorem, Pascal’s triangle, and the sum of integral cubes. Aside from Al-Karaji, there was Omar Khayyam, a 12th century poet who was...
*Tuesday, November 27, 2007 at 6:28pm by Soly*

**Math essay**

The history of Mathematics didn’t stop there. There were Arabic and Islamic Mathematics in c. 800-1500. It was the Islamic Arab Empire who were established across the Middle East, Central Asia, North Africa, Iberia, and parts of India in the eighth century all made noteworthy ...
*Tuesday, November 27, 2007 at 6:28pm by Soly*

**Math essay**

Diverging from the Classical Chinese Mathematics, there is the Classical Indian Mathematics in c. 400-1600. In c. 400, the Surya Siddhanta introduced trigonometric functions of sine, cosine, and inverse sing, and put down the rules to determine the true motions of the ...
*Tuesday, November 27, 2007 at 6:28pm by Soly*

**Math essay**

Aside from books that involved Mathematics in China, the Chinese also made use of the complex combinatorial diagram recognized as the magic square. The magic square was expressed in ancient times and perfected by Yang Hui (1238-1398 AD). Also, Zu Chongzhi, of the Southern and ...
*Tuesday, November 27, 2007 at 6:28pm by Soly*

**Math essay**

It wasn’t until c. 500- AD 1300, which was the Classical Chinese Mathematics started. In 212 BC China, the Emperor Qin Shi Huang (Shi Huang-ti) demanded that books outside of Qin state be burned. This demand wasn’t obeyed. The book that survived was the oldest Mathematical ...
*Tuesday, November 27, 2007 at 6:28pm by Soly*

**Math essay**

Also, in the Greek and Hellenistic Mathematics, Aristotle was involved. He (384- c. 322) was the first to write down the laws of logic. Euclid (c. 300 BC) was the initial example of the format in which is still used in Mathematics to this day, definition, axiom, theorem, proof...
*Tuesday, November 27, 2007 at 6:28pm by Soly*

**Math essay**

Then the there was the Greek and Hellenistic Mathematics in c. 550 BC- AD 300. The Greek Mathematics supposedly started with Thales (c. 624- c. 546 BC) and Pythagoras (c.582- c. 507 BC). Thales and Pythagoras influences were often disputed, but there is a possibility that both...
*Tuesday, November 27, 2007 at 6:28pm by Soly*

**Math essay**

In c. 900 BC – AD 200, the ancient Indian Mathematics was also developing. It was the early Iron when Verdic Mathematics began with the Shatapatha Brahmana (c. 800-500 BC), which was the approximation of the value of pi to two decimal places. There was also the Sulba Sutras (c...
*Tuesday, November 27, 2007 at 6:28pm by Soly*