Find the center of mass of a thin plate covering the given region with the given density function.The region between the x-axis and the curve y = 
, 1 ? x ? 2, with density ?(x) = 
A. 
= 
, 
= 3
B. 
= 
, 
= 
C. 
= 
, 
= 
D. 
= 
, 
= 
Answer: D
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Solve.One-half serving of soy sauce contains 215 milligrams of sodium. How many grams of sodium from soy sauce are included in an egg-foo-young dish made from 2 servings of soy sauce? Round to the nearest tenth of a gram.
A. 0.1 g B. 43.0 g C. 0.9 g D. 107.5 g
Write a word name for the number in the sentence.The weight of a full grown Great Pyrenees dog named Simba is 152.86 pounds.
A. One hundred fifty-two and eighty-six thousandths B. One hundred fifty-two and eighty-six hundredths C. One thousand fifty-two and eighty-six tenths D. One hundred fifty and two hundred eighty-six thousandths
Find the volume of the figure. If necessary, use ? ? 3.14 and round as indicated.Round to the nearest hundredth.
A. 819 km3 B. 273 km3 C. 857.22 km3 D. 409.5 km3
The Leslie matrix for a population of birds is 
C:\Users\user\Documents\Data Entry\23p.png 
(a) Estimate the population vector for year 2. (b) Estimate the population vector for year 3. (c) Estimate the population vector for year 15. (d) Estimate the long-term growth rate.