Find the Acute Angle, in Radians, Between the Lines

question 191

Multiple Choice

Find the acute angle, in radians, between the lines.
-7x + 8y = -2 and 9x + 4y = -5

• A) 0.9074 radians
• B) 1.137 radians
• C) 0.4337 radians
• D) 2.005 radians

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Definitions:

Etiology

The study of the causes or origins of diseases or disorders.

Concordance

In genetics, the occurrence of the same trait or medical condition in both members of a pair of twins or in multiple members of a family, indicating genetic influence.

Schizophrenia

A severe mental disorder characterized by disruptions in thought processes, perceptions, emotional responsiveness, and social interactions.

Biological differences

Variations among individuals in physical, genetic, and physiological characteristics due to their biology.