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Tutor profile: Alexa P.

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Alexa P.
5 Year Federal Government Employee, Master Student in Process to Further Skills to Help Military Veterans and Families
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Questions

Subject: Psychology

TutorMe
Question:

What is the branch of psychology that deals with the anatomy, biochemistry, physiology, or molecular biology of nerves and nervous tissue and their relation to behavior and learning?

Inactive
Alexa P.
Answer:

Neuroscience

Subject: Criminal Justice

TutorMe
Question:

What law was signed by President Lyndon B. Johnson in 1968 and established the Law Enforcement Assistance Administration (LEAA)?

Inactive
Alexa P.
Answer:

Omnibus Crime Control and Safe Streets Act of 1968

Subject: Algebra

TutorMe
Question:

Charlie and Lucy run a woodworking shop. In a total of 12 days, they can build 10 rocking chairs. Lucy alone can make 10 rocking chairs in 30 days. How long would it take Charlie to make 10 rocking chairs?

Inactive
Alexa P.
Answer:

Charlie's work rate is c. Lucy's work rate is l. 12 days of Charlie and Lucy working together making 10 rocking chairs is 12c + 12l = 10. 30 days of Lucy building 10 rocking chairs alone is 30l = 10 Solve for 30l = 10 ; 30/30l = 10/30 ; l = 1/3 If l = 1/3, plug that into the original equation of 12c + 12l = 10 12c + 12(1/3) = 10 ; 12c + 4 = 10 ; 12c = 6 ; 12c/12 = 6/12 ; c = 1/2 This means Charlie's rate is 1/2 a rocking chair a day, meaning he is faster than Lucy. It would take him 20 days to build 10 rocking chairs.

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