a number is called a perfect number if it equals the sum of all its factors except itself. for instance , 6 is a perfect number because its factors are 1,2,3 and 6 and 1 + 2 + 3 = 6 .What is the next greater perfect number >
what is wrong with the statement "you look exactly like your mother"
Hideki is collecting pennies . Each month in may, june, and july he put 200 pennies in a jug . He put 300 pennies in th jug in August and 300 in September. How many pennies did Hideki put in the jug between May and September ?
0.042g of Magnesium was reacted with excess HCl at S.T.P. A. Write the equation for the reaction B. How many moles of Mg were used? C. What volume of Hydrogen is produced in this reaction?_
You are conducting an experiment to see if a given therapy works to reduce test anxiety in a sample of college students. A standard measure of test anxiety is known to produce a = 19. In the sample you draw of 86 the mean is equal 17.5 with standard deviation s = 10. a- ...
hydrogen and oxygen combine in the ratio of 1:8 by mass to form water.what mass of oxygen gas would be required to react completely with 3grams of hydrogen gas?
IN PHYSICS TENTH CLASS ADDRESS OF AN ELECTRON
Calculate q when a system does 54 J of work and its energy is increased by 61 J?? I know the total change in energy of a system is "q + w", but I don't don't how to apply this.
How many ml of water at 10 degrees c must be added to 75 ml of water at 35 degrees c to obtain a final temperature of 19 c?
There are 13 flavbors at a local ice cream parlor. Is the number 13 a prime number or a composite number? If it is composite, write the number as the product of prime numbers
Cruz and his friend, Penny need to determine what numbers are prime and what numbers are composite for homework assignment. Cruz says that the number 5 is a composite number because it has the factors 2 and 2.5. Explain what is wrong with his reasoning
Just..... don't get it A column packing for chromatography consists of a mixture of two types of particles. Assume that the particles in the batch being sampled are spherical with a radius of 0.5 mm. 36% of the particles appeared to be pink and are known to have a polymeri...
how much NaCl is needed to make 1000 mL of 5 mg/mL solution ? please show steps
Find the volume of a cone with radius 26.8 inches and height 31.7 inches. Round the answer to one decimal place.
6th grade math
The area of each square is twice the area of the next smaller square drawn in it. if the area of the smallest square is 3 square cms. what is the area of the largest square
3rd grade math
examples of quadrilateral find at home
what are the different layers of fiber optics
Math: Symbolic Logic!
i need to learn probability & statistics. completly.
how many nonisomorphic unrooted trees and rooted trees are there with 4 vertices?
pictures of people who help us i.e tailor,teacher. This site has cartoon-type pictures of people who help us. http://www.ltscotland.org.uk/earlyyears/resources/illustrations/people/index.asp If you want photographs of real people, go to Google.com and search for specific occup...