Friday
July 25, 2014

Posts by Kerry-Ann


Total # Posts: 45

Pure Mathematics
In=∫ x^nSinx dx....with the limits π/2 and 0 i found that In would be equal to n(π/2)^(n-1) -n(n-1) In-2 how do i deduce the value of I4? where n=4

PURE MATHEMATICS
Explain to me just this one line 1+z = 2 cos(θ/2)(cos(θ/2) + i sin(θ/2))what happened to i sin(θ/2)) in the other two lines which follow?

PURE MATHEMATICS
thanks very much for helping with 1 and 9 number 8 is still giving me some trouble though

PURE MATHEMATICS
so number 8 is has trigonometry identities in it?

PURE MATHEMATICS
for the first one I got a to be -0.67 and 1.5 when b is 9 and -4, respectively

PURE MATHEMATICS
1. The complex number 'a' is such that a^2=5-12i use an algebraic method to find the two possible values of 'a' 8. The complex number z is given by z=cosTheta + isinTheta where -1/2pi< or equal to Theta less than or equal to 1/2pi. a. show that |1+z|=2cos(1/...

Pure Mathematics
number one is supposed to be -6<c<6 number two is supposed to be c>5 and number three is supposed to be k=8

Pure Mathematics
1. Given that the straight line y=c-3x does not intersect the curve xy=3, find the range of values for c. 2. Find the range of values for c for which the line y=cx+6 does not meet the curve 2x^2-xy=3. 3. Find the range of values for k for which 8y=x+2k is a tangent to the curv...

Mathematics
what is (5 3/5 divided by 1 5/9) - (1 1/5) squared? what is (five and three over five divided by one and five over nine) minus (one and one over five) squared? the answer is suppose to be 2 4/25 (two and four over twenty-five) but I'm not sure how to work out the second pa...

Geography
(In school the topic I'm now doing is TOURISM.) 1) In tourism, what does long stay and group travel mean? 2)What is the Jamaica Tourist Board and how does it helptourism? 3) What is the 'Meet the People Programme' and how does it help tourism?

Geography
thank you very much, your a big help.

Information Technology
Apeart from the computer, what three electronic devices contain a chip and what nfunction does it play in that specific device? Can a remote, phone and the T.V. be examples? but what function does it play in these devices?

Home Economics- Clothing and Textiles
what are 5 reasons for disposal of fullness on garments?

Geography
What are the namesz of insects that live on cattle?

Languages
many thanx chopsticks :)

Languages
How do you say, Happy Valentines Day in Spanish and in French?

English Language
What does it mean to be 'scrupulously fair?'

REALLY REALLY URGENT
What are some problems children face at school and in general as students

Information Technology
Explain the following: 1)Video Graphic Card 2)Output of Sound

History
Since the time of the Portuguese sailors of the 15th century man has developed many new ways of traveling. What are these new ways and when were they developed?

History
Since the time of the Portuguese sailors of the 15th century man has developed many new ways of communicating, what are they and in when were these new methods developed?

french
Could you please post it to me in French if not you can post the English it doesn't really matter.

french
1) What is the translation for the french celebration, Le jour de l'an? 2) What is the date of the celebration? 3) What is done during the celebration?

art
renaissance means rediscovey or rebirth of knowledge

7th grade
-2y-5=9 -2y=9+5 -2y/2=14/2 2 into -2y=1 2 into 14=7 answer = 7

Mathematics
12.07 divided by 0.00897 giving the answer correct to 3 significant figures.

History
Thank you very much Ms. Sue!!! :-)

History
What is the name of a famous Arawak chief and what was the name of the Arawak's read dye?

Science
(FOR PLANTS) What is chemical reaction and how do plants use it?

Physical Education
What are the measurements of field hockey stick and ball? What are the names of 4 International hockey Players? What is IFWHF and FIH? What are Social, Mental and Physical Well-being? Describe Endomorph,Ectomorph and Mesomorph What is Health?

sewing
THANKS

sewing
THANKS

sewing
THANKS

sewing
COULD YOU PLEASE UNSCRAMBLE THESE 1) RCTNAIG 2) RATEHD LCPEIPR THEY HAVE TO DO WITH SEWING

INFORMATION TECHNOLOGY HELP!!!!!!!!!!
How does Information Technology affect skills?

Tnformation Technology
Give two ways in which Informayion Technology has affected the following areas: a)health b)job c)skills d)Lifestyle(entrtainment,home,shopping)

Library Science
What are 8 different types of information commonly found on a card catalogue?

math
What is -4m squared times -5m cube

Science
What is pressure? as in one of the things the skin responds to as a type of sence

math
What is -4m squared times -5m cube is it 20m5 or 10 m5

Science
What is pressure? as in one of thethings the skin responds to.

Social Studies
Why is it important for us to learn Social Studies?

math
yes i mean m squared

math
what is 18m2+12m2+23m2

Social Studies
what are some ways in which we learn Social Studies?

Pages: 1

Search
Members