Solve the problem.The expression 0.60
+ r is used to obtain the target heart rate for a cardiovascular workout for an athletic male with age a and resting heart rate r. Find the target heart rate for a 18-year-old athletic male with a resting heart rate of 68 beats per minute.
A. 76.8 beats/min
B. 153.8 beats/min
C. 128.4 beats/min
D. 144.8 beats/min
Answer: D
Mathematics
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Determine if the argument is valid or a fallacy. Give a reason to justify answer.If it rains, then the squirrels hide.The squirrels are hiding. It is raining.
A. Fallacy by fallacy of the inverse B. Fallacy by fallacy of the converse C. Valid by modus tollens D. Valid by disjunctive syllogism
Mathematics
Simplify.
+ 
A. 
B. 
C. 
D. 
Mathematics
Solve and check.
= 
A. x = 
B. x = 
C. x = 
D. x = 
Mathematics
Write the decimal in words.6.00568
A. six and five hundred sixty-eight millionths B. six and five hundred sixty-eight thousandths C. six and five hundred sixty-eight hundred-thousandths D. six and five hundred sixty-eight tenths
Mathematics