A Formula Is Given, Along with Values for All but One

question 103

Multiple Choice

A formula is given, along with values for all but one of the variables in the formula. Find the value of the variable that is not given. Round to the nearest hundredth when necessary.
-P = 2L + 2w; P = 20, L = 7

• A)L = 3
• B)w = 13
• C)w = 27
• D)w = 3

Understand the relationship between agriculture, energy use, and efficiency.

Identify cycles of poverty and environmental degradation in agricultural contexts.

Understand the diversity of crops and its importance in agriculture.

Understand various agricultural practices and their impacts on soil conservation and erosion.

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Definitions:

Blood Pressure

The force exerted by circulating blood on the walls of blood vessels, typically measured in the upper arm.

Potassium Ion

A positively charged ion (K+) that is vital for various physiological processes including nerve transmission, muscle contraction, and heart function.

Heart Rate

The number of heartbeats per unit of time, usually measured in beats per minute (bpm), indicative of cardiovascular health and physical condition.

Parasympathetic Nerve

A part of the autonomic nervous system that conserves energy as it slows the heart rate, increases intestinal and gland activity.