Wednesday
June 19, 2013

# Posts by charles

Total # Posts: 212

math
2,500(1.65)^12=

maths
find the total surface area where a cone has a height of 16cm and the diameter of the base is 24

Physical science
what is the concentration hcl react with zn

trig
A surveillance satellite circles the earth at a hight of h miles above the surface. Suppose that d is the distance, in miles, on the surface of the earth that can be observed from the satellite. find an equation that relates to central angel (theta) to the hight h.

General Chem
Describe in each case what you could add to the following aqueous solutions in order to separate one or more cations or anions in NaNO3 and Ba(NO3)2?

what numbers would you use estimate the sum of 47 and 21

Statistics
Suppose that two different tests A and B are to be given to a student chosen at random from a certain population. Suppose also that the mean score on test A is 85, and the standard deviation is 10; the mean score on test B is 90, and the standard deviation is 16; the scores on...

math
How do you make this sign on he computer √

Satistics
Is this problem correct Answer: 0.90^5 = 0.6562

algebra1
4(x+3)=2(x-6) 4x+12=2x-12 2x+12=-12 2x=-24 x=-12 is this textbook example correct?

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