Thursday

February 23, 2017
Number of results: 4,335

**discrete mathematics**

can you give an example of indirect proof in trigonometry using the identities.

*August 13, 2015 by angelyn*

**Mathematics**

Among 500 freshmen pursuing a business degree at a university, 313 are enrolled in an economics course, 205 are enrolled in a mathematics course, and 153 are enrolled in both an economics and a mathematics course. What is the probability that a freshman selected at random from...

*February 20, 2011 by Anonymous*

**Maths**

what are the meanings of Mathematics of Buying and Mathematics of Selling, using language from the Business Mathematics aspect.

*December 26, 2011 by ummu*

**Mathematics-trigonometry**

If sin theta=24 divide by 25 and theta is acute..make use of a diagram to determine the value of 7(tanø-secø)

*April 25, 2013 by Thembisile*

**probability**

out of 250 students interviewed at a community college, 90 were taking mathematics but not computer science, 160 were taking mathematics, and 50 were taking neither mathematics nor computer science. Find the probability that a student chosen at random was a. taking just ...

*October 27, 2011 by Emma*

**Mathematics**

Of the 82 pupils in grade 9, 73 take mathematics 56 take science, all those who take science take mathematics. Show the information on the venn diagram. How many take neither mathematics nor science?

*January 29, 2017 by Philip Chiwala*

**mathematical methods for economics**

in a class of 300 students,they were given mathematics test in three subjects namely,economics,statistics and mathematics,90 students failed in economics,100 failed in statistics,96 failed in mathematics,60 failed in economics and statistics,64 failed in statistics and ...

*November 21, 2016 by sonu*

**Maths**

Among the examinees in an examination 30%, 35% and 45% failed in Statistics, in Mathematics, and in at least one of the subjects respectively. An examinee is selected at random. Find the probabilities that a. He failed in Mathematics only b. He passed in Statistics, if it is ...

*October 9, 2010 by Neeraj Bhanot*

**IGNOU probability**

Among the examinees in an examination 30%, 35% and 45% failed in Statistics, in Mathematics, and in at least one of the subjects respectively. An examinee is selected at random. Find the probabilities that a. He failed in Mathematics only b. He passed in Statistics, if it is ...

*October 15, 2010 by Dharmenra*

**plane and spherical trigonometry**

trigonometry in oblique triangles

*August 3, 2014 by keicer*

**mathematics**

how can you do the lcm to somethimg like 12000 without having to do all of that mathematics just to make it quicker?

*September 10, 2007 by alana*

**University studies**

According to the Center for Mathematics Excellence, which of the following is a math myth? A. Knowing the rules and how to use them is the most important part of math. B. Even people who are highly skilled in mathematics and science find these subjects to be challenging C. ...

*November 3, 2011 by lil Bee*

**mathematics**

how do I cope with intermediate mathematics e.g log rhythms?

*October 16, 2012 by Aron*

**Math**

In a class of 550 students, students may take all, none, or a combination of courses as follows.? Draw a Venn diagram to find how many students are not in any of these courses. Mathematics-280 Science-200 Technology-230 Mathematics and Technology-110 Science and Technology-100...

*June 9, 2009 by Angie*

**math**

500 students sat for an examination in mathematics,physics and chemistry.45 passed all the three subject,60 passed mathematics and chemistry,70 passed physics and chemistry,50 passed mathematics and chemistry,10 passed in mathematics,80 passed in chemistry and 35 passed at ...

*November 13, 2011 by damilola*

**Math Essay**

I have to write this paper over the history of math, can you please give me some other websites that I can use? So far I have one website from wikipedia. Also, can you please read my introduction? As of today, there are plenty of new developments in the area of Mathematics. ...

*November 9, 2007 by Soly*

**mathematics**

why would someone study mathematics

*April 30, 2009 by stac*

**Mathematics**

A survey of 100 students produced the following statics: 32 study mathematics, 20 study physics, 45 study Biology, 15 study mathematics and biology, 7 study mathematics and physics, 10 study physics and Biology, 30 do not study any of the three subjects 1, Present the ...

*November 17, 2015 by Mesh*

**Business mathematics**

In an examination of certain number of candidates 18 passed mathematics, 17 passed physics, 11 passed both mathematics and physics, 1 failed both subjects. Find the number of candidates that passed. i. Mathematics only. ii. Physics only. iii. Total number of candidates that ...

*December 29, 2016 by A.A.N*

**Math**

Out of a group of 600 students taking computer,mathematics or physics,there is no student taking both computer and mathematics.Every student takes computer or mathematics.150 take physics and mathematics and 250 take only one of the subjects.Find 1) the number of students ...

*December 30, 2015 by Mitu*

**Math**

Out of a group of 600 students taking computer,mathematics or physics,there is no student taking both computer and mathematics.Every student takes computer or mathematics.150 takes physics and mathematics and 250 take only one of the subjects.Find 1) the number of students ...

*December 30, 2015 by Seble*

**Elementary Mathematics**

How can a teacher help a student develop a strong understanding of the operations and of number relationship in Mathematics? This was a very interesting question, but I am having a hard time answering it. Need your help... Thanks alot!!!

*March 11, 2008 by Monica*

**mathematics**

MATHEMATICS PLEASE HELP ME!!! In an arithmetic series the 3rd term is twice the 8th term find the first 25 terms

*March 6, 2014 by brad johnson*

**mathematics**

what are the 20 terms that are used in mathematics

*June 9, 2011 by renee*

**math**

In a group of 105 students, 70 students passed Mathematics, 60 students passed History and 45 students passed Geography; 30 students passed Mathematics and History, 35 students passed History and Geography, 25 passed Mathematics and Geography, and 15 passed all three subjects...

*January 23, 2014 by Lucas*

**Math**

In a group of 105 students, 70 students passed Mathematics, 60 students passed History and 45 students passed Geography; 30 students passed Mathematics and History, 35 students passed History and Geography, 25 passed Mathematics and Geography, and 15 passed all three subjects...

*January 24, 2014 by Lucas*

**AED**

What are some appropriate and effective ways to use technology in the mathematics classroom? How can you ensure that students do not depend too heavily on technology to complete mathematics assignments?

*November 17, 2008 by troyer0269*

**AED**

What are some appropriate and effective ways to use technology in the mathematics classroom? How can you ensure that students do not depend too heavily on technology to complete mathematics assignments?

*November 19, 2008 by troyer0269*

**math, adult education**

If I take 0 out of arithmetic then what do I have left mathematically? What is the name for the mathematics that does not have zero in it? Is this mathematics used in the real world?

*March 1, 2009 by B.J.*

**algebra**

In a college, some courses contribute more towards an overall GPA than other courses. For example, a science class is worth 4 points; mathematics is worth 3 points; history is worth 2 points; and English is worth 3 points. The values of the grade letters are as follows, A= 4, ...

*October 18, 2010 by john*

**MATHS 2**

If x+y=45°, prove that {(cotx+1)(coty+1)}/{cotx×coty}=2 Please help me in this TRIGONOMETRY problem. From the topic - TRIGONOMETRY Ratios of compound angles

*October 26, 2016 by A GOODSTUDENT*

**Grammar**

Replace with or replace for? Sentence: I want to replace algebra (with/for) trigonometry. If I use the word with, then does that's an I want trigonometry and not algebra? If I use the word for, then does that mean I want algebra and not trigonometry? Any rules?

*August 29, 2013 by Anonymous*

**mathematics**

A book seller purchased 117 books out of which 45 books of mathematics and 72 books of physics.Each book has same size .Mathematics and Physics books are to be packed in bundles and each bundle must contain same no. of books.Find the least number of bundles which can be made ...

*September 23, 2013 by help(in much need)!!!!!!!!!!!!!!!!!!!!*

**Maths**

in a school,7/10 of the pupils like mathematics. half of those who like mathematics are girls.if there are 240 pupils in the school,how many girls like mathematics

*April 25, 2012 by Daisy*

**Maths**

In a survey of 200 students of a school, it was found that 60% study mathematics, 45% study physics, 35% study chemistry, 20% study mathematics and physics, 15% study physics and chemistry, 25% study chemistry and mathematics and 10% none of these subjects. Find the number of ...

*September 1, 2015 by Sabah*

**AED**

Post your response to the following: The introduction of calculators and computers into the mathematics classroom has made it faster and easier for students to complete difficult problems. Technology should not, however, replace the students’ understanding of basic ...

*November 19, 2008 by troyer0269*

**spanish**

is this translated right? In the morning I wake up at 8:30 a.m. The first thing I do is brush my teeth and comb my hair. Then I eat breakfast. By 9:00 a.m., I start my schooling (home). The first thing I work on is trigonometry. Then I do English, Trigonometry, American ...

*May 3, 2009 by y912f*

**8th grade math**

At Maryland Middle School, there are 9 mathematics classes. If two mathematics classes are selected for a school competition, what is the number of possible outcomes?

*February 21, 2012 by Piggy*

**math**

At Maryland Middle School, there are 9 mathematics classes. If two mathematics classes are selected for a school competition, what is the number of possible outcomes?

*March 7, 2010 by ana*

**mathematics**

1. In an examination conducted for 80 candidates, those who passed in mathematics were 17 more than those who passed science and 9 failed both subjects.14 candidates passed both subjects. I. Draw a venn diagram to illustrate this information II. How many students passed in ...

*October 30, 2011 by partey*

**trigonometry**

determine the trend of each linear function: 1. f(x)= 3x+5 I don't know what you call the "trend" or why you call this a trigonometry question. It is about algebra. The value of the function increases with x at a rate of three times the change in x.

*July 10, 2007 by hugh*

**Trigonometry**

a 20ft. ladder is leaning against a wall so that the foot of the ladder is 9ft. from the buss of the wall what angle does the ladder make with the ground? what is the distance from the top of the ladder to the base of the house? based in trigonometry

*November 21, 2015 by Ara Jane*

**women mathematician**

any idea of what mabel schmeiser barnes' field of mathematics was? any information on her parents and if she had siblings? major contributions to world of mathematics? i could only find one good site but i couldn't find anything that helped with my questions...

*March 11, 2009 by Ty*

**Early Childhood Ed.**

When children play-act and make change in an imaginary grocery store located in a theme corner, they are integrating which? 1. technology and creative drama 2. language and science 3. mathematics and creative drama 4. mathematics and nutrition Wouldn't they be integrating ...

*April 1, 2007 by Kendra*

**High School Courses**

How often do state colleges which are moderately competitive require trigonometry? Is trigonometry something like algebra that they expect you to have, or do they usually not care as long as you have the right number of math courses? Would it look better for me to take ...

*March 31, 2009 by Evelyn*

**trigonometry**

okay so i have this trigonometry problem were i HAVE to use logarithms. Now this is my work but can u help me solve it using logarithms. Find the area of the following triangles:(use logarithms) 1) c=426, A=45degrees 48' 36",and B=61degrees 2' 13"

*February 20, 2011 by anon*

**Trigonometry**

PLEASE HELP!! I really don't understand this...I just started learning about trigonometry and SOH CAH TOA and I think this probably has to do with that but I don't know how to apply it... Please explain this to me!!!! I need to know how to do it and not just the answer. ...

*March 30, 2016 by Becca*

**math**

Peter will apply to his favorite school . Requirement for admission to the school : 1. Indonesian languange score should not be less than 6 , 2. Mathematics score should not be less than 5 3. Score of Indonesian languange + score of mathematics should not be less than 12. ...

*September 27, 2015 by Iman*

**Personal Dimension of Educatio**

Select the sentence that has correct subject-verb agreement. 1. Applied mathematics was my major in college. 2. Applied mathematics were my major in college. My answer is 1

*November 16, 2012 by Jackie*

**GEOMETRY**

Decide which of the variables described is likely to have a normal or near-normal distribution. a. The number of courses remaining until graduation for the students in a small liberal arts college b. The SAT mathematics scores for students in an advanced placement mathematics ...

*March 28, 2010 by ISOFI*

**Math**

80 boys took the examination in the three subjects: Chinese, English and Mathematics, and none of them failed in all three subjects. It was noted that 8 passed in English only and 10 passed in Mathematics only; 7 passed in Mathematics and Chinese but not in English, 40 passed ...

*March 7, 2015 by Jiskhans*

**Trigonometry**

Solve for x to the nearest hundreth and can you explain how you get your answer I don't understand 3^x = 1.295 Your question has nothing to do with trigonometry. You can solve for x by taking the logarithm (to any base) of both sides of the equation. Then x log 3 = log 1.295 x...

*June 10, 2007 by Linda*

**math algebra 1**

Who is the inventor of the FOIL method? some one answer me!! The history of mathematics in India is ancient. The Hindu Vedic tradition is an oral tradition of knowledge passed down in short verses, dating to before the invention of paper. The Vedas encompass a broad spectrum ...

*May 21, 2007 by amy*

**Math (trigonometry)**

Trigonometry identities are so hard... I need some help proving these identities: *Oh, and I'm only in grade 11, so the identities we use are quotient identity and Pythagorean identity. sinx/(sinx + cosx) = tanx/(1 + tanx) cos^2x - sin^2x = 2cos^2x - 1 Thanks! Lucy

*April 13, 2008 by Lucy*

**mathematics**

In a class of 40 students;30 offer science; 20 offer mathematics and 8 neither. a.illustrate this information on a venn diagram . b.how Many students offer both subjects. c.how many students offer exactly one subject

*October 16, 2016 by tori*

**maths**

in a group of 40 students,30 like mathematics,22 like science and 14 like both,find the number of students who like mathematics only

*July 2, 2016 by nishan*

**cobet, maths**

there are 50 pupils in a class. 43 of them like mathematics, 38 like english and 33 like both mathematics and english. How many pupils like both mathematics and english??

*October 5, 2014 by pjl*

**Elementary Math**

Decide which of the variables described is likely to have a normal or near-normal distribution. a. The number of courses remaining until graduation for the students in a small liberal arts college b. The SAT mathematics scores for students in an advanced placement mathematics ...

*August 9, 2009 by George*

**statistics**

There are 44 mathematics major and 163 computer science majors at the college. How many ways are there to pick 2 representatives, so that one is a mathematics major and the other is a computer science major?

*October 19, 2011 by tj*

**trigonometry**

y=−34 sin(10θ+10π)−14 I need to graph this trigonometry problem. I need the parent graph, period, vertical shift, phase shift, a separate graph showing the new mid line with the amplitude and a final product graph. thanks for any help :)

*November 18, 2015 by khloe*

**Trigonometry**

A balloon is flying west of two trigonometry students who are 7 miles apart. The angles of elevation of the two students to the balloon are 15 and 28 degrees. Approximate how high the balloon is flying.

*November 3, 2014 by Bailey*

**Discrete Math**

There are 150 students taking Discrete Mathematics II, Calculus II, and Physics I courses. Of these 51 are taking Discrete Mathematics II, 111 are taking Calculus II, and 63 are taking Physics I. There are 41 taking Discrete Mathematics II and Calculus II, 32 students taking ...

*April 6, 2014 by Anonymous*

**Math**

At a school of 1400 students, 800 are currently enrolled in English, 740 are enrolled in mathematics and 325 are enrolled in both subjects. How many students are enrolled neither English nor Mathematics? I got 650 is this right?

*February 23, 2016 by Rose*

**math**

65 men 75 women are enfolled in calculus. There are 30 business majors, 40 biology majors, 50 computer science majors, and 20 mathematics majors. No person has a double. If a single calculus student is chosen, find the probability that that the student is not a mathematics major

*September 28, 2012 by greg*

**Conceps of development**

Which of the following is the crux of the interrelationship between mathematics and science? A. About half of the basic math concepts are related to science concepts. B. The basic concepts of mathematics are the basic process skills of science. C. Basic mathematics process ...

*January 22, 2015 by Daniella*

**concept development**

Which of the following is the crux of the interrelationship between mathematics and science? A. About half of the basic math concepts are related to science concepts. B. The basic concepts of mathematics are the basic process skills of science. C. Basic mathematics process ...

*January 25, 2015 by Daniella*

**Math**

On a shelf of length 7 m . mathematics and English books r to be arranged. Mathematics books occupied 4 m. Then 1)find d fraction of shelf left for English books.

*April 4, 2016 by Anil*

**Beginning of Stats**

A study of 50 mathematics professors showed that they spend, on average,12.4 minutes correcting a student's final examinations. Find a 90% confidence interval of the mean time for all mathematics peofessors spend on conrrecting final examinations when standard deviation = 2.2 ...

*December 10, 2012 by Laddi*

**Statistics - can someone check me**

Frank has a 65% chance of receiving an A grade in geology, a 60% chance of receiving an A grade in mathematics, and a 77% chance of receiving an A grade in geology or mathematics (or both). Find the probability that he receives A grades in both geology and mathematics. P(geo ...

*February 12, 2011 by Rachal*

**how concepts develop**

Which of the following is the crux of the interrelationship between mathematics and science? A. About half of the basic math concepts are related to science concepts. B. The basic concepts of mathematics are the basic process skills of science. C. Basic mathematics process ...

*January 15, 2015 by Daniea*

**Science And Technology Engineering Mathematics**

Do you know some site where can I look for Science And Technology Engineering Mathematics books?

*January 11, 2015 by jim*

**math**

Riena has six unmarked CDs in a box, where each is dedicated to exactly one of English, mathematics, French, American history, chemistry, and computer science. Answer the following questions: a. If she chooses a CD at random, what is the probability she chooses the English CD...

*August 12, 2010 by kirk*

**Math**

In a group of 95 students , the ratio of students who like mathematics and science is 4:5 . if 10 of them like both the subjects and 15 of them like none of the subjects then by drawing a venn diagram,find how many of them like only mathematics and how many of them only ...

*July 3, 2016 by Abhi*

**mathematics**

If 45 percent of the students of a class have offered mathematics and 85 percent of them biology, find the percentage of students who offered biology only?

*May 21, 2016 by Anonymous*

**Trigonometry**

I really need help with this trigonometry question.please any help is appreciated. 1.I have to draw the graph of y=cos x from 0deg to 360deg. 2.Be sure to show a table of vales similar to the this table. colum X l colum :y=sinx 0 l 0.00 pi/10 l 0.31 pi/5 l 0.59 3pi/10 l 0.81 ...

*March 7, 2011 by anon*

**EED 364**

1) Observe an elementary mathematics lesson. Write an essay of 1,500-1,750 words that addresses the following issues and summarizes your observations: a) What is the importance of having standards in mathematics? How do standards improve mathematics instruction? Compare and ...

*October 28, 2011 by Kimberly*

**science and technology engineering mathematics**

Do you have sites that can help me understand science and technology engineering mathematics?

*January 28, 2015 by science and technology engineering mathematics*

**Statistics**

Scores on a mathematics examination appear to follow a normal distribution with mean of 65 and standard deviation of 15. The instructor wishes to give a grade of “C” to students scoring between the 60th and 70th percentiles on the exam. What score represents the 60th ...

*May 25, 2013 by Jimmy Smith*

**Statistics**

Scores on a mathematics examination appear to follow a normal distribution with mean of 65 and standard deviation of 15. The instructor wishes to give a grade of “C” to students scoring between the 60th and 70th percentiles on the exam. What score represents the 60th ...

*May 26, 2013 by Austin*

**math**

A test of 60 minutes contains questions on mathematics and english only. the time taken to solve a mathematics question is twice the time taken to answer an english question and the ratio of time taken to solve all mathematics questions to time taken to answer all english ...

*January 13, 2015 by nisha*

**statistics**

Among the 500 first year students of college, 270 students study computer science, 345 students study mathematics, and 175 students study both computer science and mathematics. If one student is selected at random, find the probability that he did not take either of these ...

*June 3, 2011 by masaad*

**Maths trigonometry**

using basic trigonometry derive the following equations, which are used to convert cartesian to polar coordinates and vice versa. why is the cos(phi)in the x term? x = R cos (phi) sin (lamda) y = R sin (phi) they are used in orthogonal projection of a spherical surface to a ...

*October 16, 2011 by forest*

**math**

if m set of 22 mathematics teachers and p is the set of 25 physics teachers and if 2 teachers both mathematics and physics, how many elements has MUP.

*July 5, 2016 by jb*

**math**

A sample of 64 statistics students at a small college had a mean mathematics ACT score of 28 with a standard deviation of 4. Estimate the mean mathematics ACT score for all statistics students at this college. Give the 95% confidence interval.

*May 6, 2012 by jennifer*

**Math**

A sample of 64 statistics students at a small college had a mean mathematics ACT score of 28 with a standard deviation of 4. Estimate the mean mathematics ACT score for all statistics students at this college. Give the 95% confidence interval.

*June 21, 2012 by Jameson*

**Math**

A sample of 64 statistics students at a small college had a mean mathematics ACT score of 28 with a standard deviation of 4. Estimate the mean mathematics ACT score for all statistics students at this college. Give the 95% confidence interval.

*June 21, 2012 by Jameson*

**math**

A sample of 64 statistics students at a small college had a mean mathematics ACT score of 28 with standard deviation of 4. Estimate the mean mathematics ACT score for all statistics students at college. Give the 95% confidence interval.

*June 5, 2014 by Erma*

**Math**

Frank has a 65% chance of receiving an A grade in geology, a 60% chance of receiving an A grade in mathematics, and a 77% chance of receiving an A grade in geology or mathematics (or both). Find the probability that he receives A grades in both geology and mathematics. I get: ...

*February 12, 2011 by Rachal*

**statistics**

The trends in international mathematic and science study (TIMSS) in 2007 examined eighth grade proficiency in math and science. The mean mathematics scale score for the sample of eighth grade students in the US was 508.5 with a standard error of 2.83. Construct a 95% ...

*August 2, 2014 by Marc*

**Math**

A college freshman must take a science course, a humanities course, an elective course, and a mathematics course for the first term of the school year. If he or she may select any of the six science courses, any of the four humanities courses, any of the five elective courses...

*February 21, 2013 by Therese*

**Mathematics**

Mathematics: A chord of radius 12cm subtends an angle of 150 degree at the centre of the circle. Calculate. A. Perimeter of the circle (Ps) B. Area of the circle. (Account) C. Length of the circle (Lc) D. Length of the arc (Last) E. Perimeter of sector (Ps) F. Area of sector (...

*June 18, 2016 by Olagunju*

**Math**

Suppose there is a quiz in your mathematics class every week. The value of each quiz is 50 points. After the first 6 weeks, your average mark on these quizzes is 36. a) What average mark must you receive on the next 4 quizzes so that your average is 40 on the first 10 quizzes...

*January 8, 2016 by Anonymous*

**math**

In a class of 30 students, 18 offer mathematics (M), 15 offer science (S) and 13 offer english (€). The number of students who offer all the three subjects is equal to the number of students who do not offer any of these subject. 10 students offer both mathematics and ...

*November 18, 2015 by Ethel*

**math**

Help me with this In a class of 30 students, 18 offer mathematics (M), 15 offer science (S) and 13 offer english (€). The number of students who offer all the three subjects is equal to the number of students who do not offer any of these subject. 10 students offer both ...

*November 19, 2015 by bwalya*

**Mathematics, geography, agricultural science, life science, English, Life orientation And sepedi**

I'm doing grade 11 but still I don't know what or which kind of job careers that needs these subjects Agricultural science, Geography, life science, mathematics (pure), Sepedi, English, And lastly life orientation..Help me please and appreciation will bless you.

*March 1, 2016 by tebogo aka sleigh fish*

**trigonometry**

sinxcosx=0,x=?

*October 9, 2007 by raygene*

**Trigonometry**

What is the arcsin of (pi/2)?

*November 8, 2009 by Anonymous*

**trigonometry**

what is sin 35=x/6

*October 17, 2010 by aundrea*

**Trigonometry**

sin x= -1

*May 30, 2011 by Abigail*

**Trigonometry**

Find m < D if d=10, e=8 and m< E= 43

*June 4, 2011 by MIke A*