Physics
A lady applies makeup using a concave mirror with a focal length of 10 cm. At a distance of 6 cm from the mirror, how large does her 4 cm wide eye appear? Solve mathematically
Social Studies
The Bush and Adams families are not the only families from which related U.S. presidents have come. Which family boasts grandfather-grandson presidents? 1. Harrison 2. Lincoln 3. Madison 4. Roosevelt
Chemistry
If you could try doing my problem, see if you can get a different answer... I used most of my submissions already and I really don't know what I have been doing wrong.
Chemistry
I did the same, and I get the answer of 2.127 hours which is wrong... So I don't really know what to do. In that problem you got to do this J = -D dc/dx D = 4.9 x 10-9 dc = 0.31 dx = 3.091 x 10-4 Then, after you get your answer, multiple by the surface area (which in your ...
Chemistry
You wish to increase the carbon content of a slab of steel by exposing it to a carburizing atmosphere at elevated temperature. The carbon concentration in the steel before carburization is 243.0 ppm and is initially uniform through the thickness of the steel. The atmosphere of...
physics
If Joe weighs 100N on the moon how much will Joe weigh on earth? N & kg
Chemistry
How many moles of CaCl2 are in 32cm cube of 0.2M solution of CaCl2?
SCIENCE
Unit of measure for the international system of measurement-what unit is used for temperature, mass, volume, and length? please answer :) I NEED TO STUDY AND HAVE A QUIZ TOMORROW
Statistics
Suppose that out of 15,351 convicts who escaped from U.S. prisons, only 7667 were recaptured. Let p represent the proportion of all escaped convicts who will eventually be recaptured. Find a point estimate for p. Round your answer to four decimal places.
Statistics
Total plasma volume is important in determining the required plasma component in blood replacement theory for a person undergoing surgery. Plasma volume is influenced by the overall health and physical activity of an individual. Suppose that sample of 61 male firefighters are ...
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