Wednesday

September 2, 2015
Total # Posts: 60

**Physics**

A uniform disk of radius 0.5 m and mass 3.9 kg is rotating about its center of mass. Its moment of inertia about its center of mass is I=(1/2)mR^2. Its angular velocity as a function of time is given by (t)=7kt^6/t1^7 where k = 3.8 rad and t1= 5 s. Find the magnitude of the ...
*March 29, 2015*

**Mathematics**

Sum of radii of two spherical ball is 22 cm and the diff of their volumes is 3050 2/3. Find radii. In this question if i r+R= 22 (eq 1)and Pi(r2-R2)=3050 2/3 (eq 2) and subs value of r from eq 1 in eq 2; my answer wont match with textbook. What should i do???
*November 4, 2014*

**A mathematics**

The sum of radii of two spherical balls is 22cm and the difference of their volume is 3050 2/3 cm3. Find the radii of the balls. (take pie=22/7)
*November 3, 2014*

**science**

why did most scientists reject wegener's theory?
*February 27, 2014*

**science**

list 1 advantage and disadvantage of having a landfill.
*April 16, 2013*

**science**

list 1 way you can dispose of trash. What is its advantage and disadvantage?
*April 16, 2013*

**math**

Asia is about 3 times the size of antarctica together the 2 continents make up 2/5 of earth's land . what fraction of earth's land does antarctica make up?
*April 9, 2013*

**math **

greatest no. of regions in a circle with 4 chords?
*March 20, 2013*

**math**

how does the no. of regions increase when another chord is added to the circle?
*March 20, 2013*

**math**

64 76 46 88 88 43 99 50 55 would the mode change if a 76 was added to the data in the set?
*January 29, 2013*

**math**

Why is 2482 not a reasonable answer for 542x6
*January 16, 2013*

**math**

Explain: how will you divide 0.12 by 8
*January 8, 2013*

**math**

34-9-80/4+7
*December 16, 2012*

**math**

price is not given
*December 16, 2012*

**math**

a total of $784was collected for tickets.is 300 a reasonable estimate for the no. of tickets sold? explain.
*December 16, 2012*

**Science**

humans,other mammals,birds can maintain a constant body temperature. why is this a useful adaptation? how does this explain the spread of these animals around earth?
*October 17, 2012*

**science **

compare respitory system of a fish &human
*May 21, 2012*

**Science**

How do plants reproduce?
*May 14, 2012*

**math**

thank you ms. Sue.
*April 4, 2012*

**math**

both are spheres and both have a curved surface. is that right?
*April 4, 2012*

**math**

describe how a baseball and a basketball are alike?
*April 4, 2012*

**science**

what you could conclude about the temperature of Mercury based on its position in the solar system?
*April 1, 2012*

**science**

why an astronaut would be able to lift heavy equipment more easily on the moon thanon earth?
*April 1, 2012*

**science**

compare&contrast warm front &cold front
*March 4, 2012*

**math**

the teachers and parents will make 4 large pots of soup for dinner. about how many servings willeach pot need to contain to feed 85 students,4 teachers,and 6parents?
*February 22, 2012*

**social studies**

to ms sue, i want some points on what to write what my state means to me
*January 25, 2012*

**social studies**

i need help for writing essay on my state nj
*January 25, 2012*

**help**

what do tanzania men and children wear?
*January 9, 2012*

**math**

write a description of an array of stickers using the product of 3*15.
*January 9, 2012*

**math help me please!!!!!!!!!!!!!!!!**

luke added 429+699+314 and got 950 is this sum reasonable?
*October 18, 2011*

**math**

name each no in two ways 62,000
*September 26, 2011*

**math**

explain how you would round 265,588 to the nearest ten thousand
*September 19, 2011*

**georgraphy**

Which of Canada's Atlantic Provinces has jurisdiction over mainly uninhabited Labrador? A. Prince Edward Island B. Newfoundland C. New Brunswick D. Nova Scotia
*June 9, 2011*

**math**

is it possible for two rays to be parsllel to each other is it possible for two rays to be parallel to each other
*April 30, 2011*

**language arts**

atlas i think
*April 27, 2011*

**language arts**

Where does a puffer fish live? encyclopedia,dictionary,atlas,globe
*April 27, 2011*

**math**

draw 2 rays that are not parallel to each other and never intersect.explain.
*April 26, 2011*

**math**

abby has 8 sports cards. she has either hockey or football cards she has 4 more hockey cards than football cards. how many football cards does she have?
*April 11, 2011*

**math**

how can you use the multiplication facts for 3 to help you find the multiplication facts for 9
*March 8, 2011*

**social studies**

what does a peninsula look like
*March 2, 2011*

**geometry**

angle a is 45 degrees because b is 90 degrees
*March 1, 2011*

**english**

why are string puppets harder to make &use than finger puppets?
*March 1, 2011*

**socialstudies**

what does a peninsula
*February 26, 2011*

**english**

Are you going to go trick or treating? which is subject which is predicate.
*February 25, 2011*

**MATH**

explain how a bar graph and apictograph are used to compare data
*February 3, 2011*

**math**

explain how abar graph and a pictograph are used to compare data?
*February 3, 2011*

**history**

when was martin king jr born?
*January 20, 2011*

**math **

how does a line graph make it easy to see changes over time?
*January 20, 2011*

**writing**

in class can you writ in cursiv
*January 13, 2011*

**History**

when was Martin Luther King JR. born
*January 13, 2011*

**hitory**

when was Martain Luther king JR. born
*January 13, 2011*

**math**

what is the mean for the family sizes of 12,8,6,5,4, people? explain your answer.
*January 13, 2011*

**math**

were less than 50 lunches eaten in aweek? is the ans an estimate or exact?
*December 13, 2010*

**math**

find each sum 65+18 How can you regroup ones in this sum?
*December 6, 2010*

**math**

thank-you for tour quick reply ,esha
*December 1, 2010*

**math**

justine has 162 red buttons,98 blue buttons,and 284 green buttons. she says she knows she has more than 500 buttons without adding.do you agree? explain.
*December 1, 2010*

**math**

26 minutes change in to seconds
*March 3, 2010*

**algebra**

what is an equation of the line that passes through the point (4,-6) and has a slope of -3? a) y=-3x+6 b) y=-3x-6 c) y=-3x+10 d) y=-3x+14 i dont get this question at all.
*January 25, 2010*

**physics**

how is dissociation and ionization similar
*February 24, 2008*

**genetics**

for 2a - cis means the AB is paired on the same chromosome and the ab is on the other. you would expect 80% females AB/ab and 20% females ab/ab. For males, 80% AB/Y and 20% ab/Y. 2b use the same logic as 2a, expect now the chromosomes are Ab and aB to start. for 2c - it is ...
*September 24, 2007*

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