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October 24, 2014

Search: Mathematics-trigonometry

Number of results: 3,041

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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
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

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

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 (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

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

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

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

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

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

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

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

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 on sports
can anyone provide me with some sources which has information on how mathematics has been used on sports? e.g., trig can help to calculate the best angle to throw a ball or something, the speed of running can affect the height of high jump etc. etc.? any help greatly ...
August 2, 2007 by holly

Statistics
A mathematics education researcher is studying where in high school mathematics texts it is most effective to insert questions. She wants to know whether it is better to present questions as motivation before the text passage, or after the passage. The result may depend on ...
January 28, 2007 by AJ

Math help!
The number of students taking sophomore mathematics at Union College has been decreasing at the rate of 20 per year for many years. Assuming this trend continues, write a multiplication problem that describes the change in the number of sophomores taking mathematics at Union ...
October 1, 2014 by KG

mathematics
10*10*10=
September 22, 2007 by Shaquille Clarke

mathematics
R^0.75=24
September 7, 2008 by Lori

Mathematics
If 45 = 2/5 what is 1/5?
October 15, 2010 by MARIANNE

mathematics
2a/3=8+4a
April 22, 2011 by michael

mathematics
-8x/4=6-4x
April 22, 2011 by michael

mathematics
-3x- 4x+2y-4y-2x
April 28, 2011 by michael

mathematics
2(a+1)+3(a-2)
June 20, 2011 by mellissaa

Mathematics
If 1/3 of 2x is 5, what is 2/3 of 4x?
August 2, 2011 by Kay

mathematics
2/x+3=3/x-2
October 7, 2011 by diana

mathematics
2/x+3=3/x-5
October 7, 2011 by diana

mathematics
x^2+8x+15/x^2+x+3
October 7, 2011 by diana

mathematics
5/2x+7=4/2x-7
October 7, 2011 by diana

mathematics
1. 3/(x+2)+4/(x-5)=2/3 2. 5/(3x+8)=4/(3x-8)
October 8, 2011 by diana

mathematics
x^2/x^2-y^2 / x+y/x-y / (x/x+y)^2
October 12, 2011 by diana

Mathematics
2/5g = 3/5 Thanks
January 30, 2012 by Susana

Mathematics
(x+3y)(x-3y)-2(x+2y)(x-y)
October 16, 2012 by Anonymous

Mathematics
3.7/2.4 = y/8.2 12.64 10.56 14.80 5.32
November 21, 2012 by Derpy Hooves

Mathematics
1. 7r = 5r 2. -6x = 3x 3. 7-2y = 1 + y
May 26, 2013 by Anonymous

Mathematics
-6x = 3x?
May 26, 2013 by Anonymous

Mathematics
7-2y = 1 + y?
May 26, 2013 by Anonymous

Mathematics
12 * 1.25 = ?
September 30, 2013 by Anonymous

mathematics
1+1
December 12, 2013 by Jamiu

Mathematics
What is x
August 23, 2014 by Mr maregeni

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

Trigonometry
expand ( 5d-1) 4
June 4, 2011 by MIke A

Trigonometry
v=2(ab+bc+ca), solve for a
July 8, 2011 by Kali

Trigonometry
Simplify i^45. A. 1 B. i C. –1 D. –i
August 2, 2012 by Anonymous

Trigonometry
If g(t) = 5t+1 and h(n) = 2(n - 7), what is the value of h(g(3))?
March 10, 2013 by John

Trigonometry
n-1/n divided by 1+1/n
October 19, 2013 by Cait

Trigonometry
if cot 2x = 5/12 with 0<=2x<=pi
November 28, 2013 by David

Mathematics
R^2 + R^2 = R^3 Solve for R
September 10, 2008 by Sandra

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