Tuesday
February 9, 2016

Posts by marc

Total # Posts: 127

math
how do I solve 1/3 x = 5/12
January 24, 2010

kindergarten math
what does this mean draw a piece of yarn 3 counters long?
January 20, 2010

algebra
A 3-mi cab ride costs $3.00. A 6-mi cab ride costs $4.80. Find a linear equation that models cost c as a function of distance d. write your linear equation using function notation.
January 13, 2010

math
I need to make up ten numbers that are divisible by 2,3,4,5,6,8,and 10.
October 19, 2009

psy 220
describe a situation that might be viewed diffently by two people. this event can be as small as an encounter on the street or as major as the birth of a child
August 2, 2009

Chemistry
so if the equation I'm using is 3CuSO4+2AL(NO3)3 arrow 3CU(NO3)2+Al2(SO4)3 how many moles of CuSO4 would be needed to produce 8 moles of Al2(SO4)3? Would the answer be 8?
April 21, 2009

english
on which line is there a spelling mistake. 1/ reported to the HSE or local authority immediately. A major injury is 2/ construction industry. About one hundred and forty are fatal. This is 3/ hospital treatment lasting more than twenty-four hours.
December 9, 2008

math
b+9=8+7 is the answer b=6 since 8+7=15
November 17, 2008

math
Not sure. example she gave was n-2=4+2 the answer is n=8 but i have to write it out on how i got the answer i have to check my answer
November 17, 2008

math
how about b+9=8+7 would it be b=6 since 8+7=15
November 17, 2008

math
i am in 3rd grade and we are learning about equations. I was not in class when she went over the steps. I need help. y+3=6X2
November 17, 2008

Chemistry
ITS THE ZUMDHAL BOOK!
July 21, 2008

english
can someone help me write a bibliography for my report? what is the format for writing a bibliography?
May 21, 2008

science
A tick that feeds on the blood of animals is a - a. parasite b. host c. predator d. competitor ???help please?
May 14, 2008

physics
A lamp is moved from 26 cm to 90 cm above the pages of a book. Compare the illumination on the book before and after the lamp is move.
May 12, 2008

physics
actually for the second part, it wouldn't be a cylinder but a sphere. thus beta = 2/5. the velocity equation in this case would be V = sqrt[(2gH)/(1+beta)]
April 6, 2008

science
how many bones are there in the human skeletal
February 27, 2008

chemistry
Hexane is a hydrocarbon (a molecule containing only carbon and hydrogen) with a molecular weight of 86.18 g/mol, a density of 0.660 g/mL, and a boiling point of 69C . Pentanol is an alcohol (a hydrocarbon with a "OH" group attached to one of its carbons) with a ...
February 4, 2008

chemistry
Hexane is a hydrocarbon (a molecule containing only carbon and hydrogen) with a molecular weight of 86.18 g/mol, a density of 0.660 g/mL, and a boiling point of 69C . Pentanol is an alcohol (a hydrocarbon with a "OH" group attached to one of its carbons) with a ...
February 4, 2008

math
I need to make up ten numbers that are divisible by 2,3,4,5,6,8,9,10. Please help.
January 17, 2008

FRACTIONS
IF 20 COUNTERS ARE A WHOLE SET, WHAT FRACTION OF THE SET IS 16 COUNTERS?
December 10, 2007

science
A 52.0 kg male dancer leaps 0.37 m high. (a) With what momentum does he reach the ground? (c) As the dancer lands, his knees bend, lengthening the stopping time to 0.050 s. Find the average force exerted on the dancer's body. (d) Compare the stopping force with his weight...
December 9, 2007

math
13-b/6=2-0.5b/4 I cross muliptiled and I got 12-3b=52-4b. I'm stuck. What do I do now?
November 1, 2007

Math
Find all positive integers a<b<c (a is less than or equal to b, b is less than or equal to c) such that: arctan (1/a) + arctan (1/b) + arctan (1/c) = (pi/4)
October 6, 2007

Literature
Has anyone read the Strange Case of Dr Jekyll and Mr Hyde and/or The Time machine ?? if so,please let me know..as i have some questions thank you
September 16, 2007

lattice math
Why should we estimate before solving a problem? We should estimate before solving a problem to make sure our answer is close to the real answer. Here's a simple problem. Suppose we want to find wnat a 6% tax on a $10 purchase would be. When you do the math, the answer ...
October 3, 2006

Physics
9.9 = v^2/r 9.9 * 100 = v^2 v = 99.5 m/s Time for revolution = 2 pi r/v = 2 pi * 100/99.5 = 6.31 seconds = .105 minutes 1/.105 = 9.5 revs/minute
September 18, 2006

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