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Chapter 1: Q. 1.18 (page 16)
Evaluate each of the following:
a..
b..
c..
a. The answer is.
b. The answer is.
c. The answer is.
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Identifyeachofthefollowingasanobservation,ahypothesis,
an experiment, or a conclusion:
a. . A patient has a high fever and a rash on her back.
b. A nurse tells a patient that her baby who gets sick after
drinking milk may be lactose intolerant.
c. Numerous studies have shown that omega-3 fatty acids lower triglyceride levels.
Obtain a bottle of multivitamins and read the list of ingredients. What are the four chemicals from the list?
Solve each of the following for :
a. .
b..
a. At a local hospital, babies were born. If were boys, what percentage of the newborns were boys? Express your answer to the one's place.
b. An alloy contains pure gold and pure zinc. What is the percentage of zinc in the alloy? Express your answer to the one's place.
c. A collection of coins contains pennies, dimes, and 6 quarters. What is the percentage of pennies in the collection? Express your answer to the one's place.
a. A clinic had patients on Friday morning. If patients were given flu shots, what percentage of the patients received flu shots? Express your answer to the one's place.
b. An alloy contains 56 g of pure silver and 22 g of pure copper. What is the percentage of silver in the alloy? Express your answer to the one's place.
c. A collection of coins contains nickels, quarters, and dimes. What is the percentage of dimes in the collection? Express your answer to the one's place.
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