Use the Law of Cosines to Find $x$

question 91

Essay

Use the Law of Cosines to find $x$ .

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Definitions:

Postpartum Period

The time immediately following the birth of a child until the mother's body has returned to a near pre-pregnant state, typically considered to be about six weeks, which is critical for both maternal and infant health.

Touch Research Institute

A research center dedicated to studying the effects of touch in health and development, often focusing on massage therapy and its benefits.

Preterm

Refers to babies born before 37 weeks of gestation, often requiring special medical attention.

Low-Birth-Weight Children

Infants born with a weight of less than 2,500 grams (5 pounds, 8 ounces), which may lead to health and developmental challenges.