Question

Which of the following statements properly define a variable? Select all that apply. a. Let w represent Enrique's weight b. Let d represent Enrique's distance (in miles). c. Let d represent Enrique's distance from home (in miles). d. Let d represent Enrique's distance from home. e. Let w represent Enrique's weight in pounds

Answer 1

Answer: c. Let d represent Enrique's distance from home (in miles).

e. Let w represent Enrique's weight in pounds

Step-by-step explanation:

A variable is a particular type of value that denotes an unknown quantity.

• It is denotes by using alphabets.
• It can change.

To define a variable , we need define a amount or quantity with units and in case of length an exact position is required.

a. Let w represent Enrique's weight

It is not a variable because no units is defined.

b. Let d represent Enrique's distance (in miles).

It is not a variable because the points to establish distance traveled by Enrique is not given .

c. Let d represent Enrique's distance from home (in miles).

It is a variable as both units and position as mentioned.

d. Let d represent Enrique's distance from home.

It is not a variable because no units is defined.

e. Let w represent Enrique's weight in pounds.

It is a variable because unit of weight is mentioned.

Hence, the correct statements that properly define a variable are  :

c. Let d represent Enrique's distance from home (in miles).

e. Let w represent Enrique's weight in pounds