Watch the Video: Solving an Investment Problem by PatrickJMTĮxample: A jeweler needs to mix an alloy with a 16% gold content and an alloy with a 28% gold content to obtain 32 ounces of a new alloy with a 25% gold content. Language comparison C-like languages Implicit type conversion. Watch the Video: Understanding Simple Interest and Compound Interest by PatrickJMT How much did she invest in CD's and her savings account if she earned $180.50? The following are the basic types of variable that are relevant to experiments. These include variables you change to test a hypothesis, variables you measure to determine results and variables you hold constant to produce a valid experiment. Substitue in the given information and solve for the unknown variable.Įxample: Find the interest earned on $1000 for 1 year at rate of 6%Įxample: Maria has $2500 to invest for 1 year, CD's are paying 5% simple interest and her savings is paying 8% simple interest. Variables are factors that influence an experiment or that are of interest as a result. Answer (1 of 3): In Econometrics there is Exogenous variable Endogenous variable In an economic model, an exogenous variable is one whose value is determined outside the model and is imposed on the model, and an exogenous change is a change in an exogenous variable.
Watch Video: Algebra Help: Distance, Rate, and Time by Pat McKeague How long will it take to be 738 nautical miles apart? A variable that holds integers (whole numbers) has the data type Integer and is called an integer variable. Watch the Video: Word Problem: Finding Consecutive Numbers That Satisfy a Given Requirement - Ex 1 by PatrickJMTĮxample: Two boats leave port at the same time, one heading north at 35 knots and the other south at 47 knots. For instance, a variable that holds text strings has the data type String and is called a string variable. Step 4 & Step 5: check and re-read to determine if you have answered the question. Find each child's age if the sum of the ages is 35. Jill's age is 1 year less than twice Joe's age. Jen's age is 2 years more than 14 times Joe's age. The product of two and a number subtracted from 5Įxample: Jerri has 3 children: Jen, Joe and Jill. hero, crampfish, poor boy, Cuban Sandwich, hacek, wedge heel, hired gun, hitman, bomber, cuneus, sub. Other variables are immutable, meaning their value. 'dpndnt' relying on or requiring a person or thing for support, supply, or what is needed. Some variables are mutable, meaning their values can change.
#Whta is another word for variable. software
Variables are used with most programming languages and come in many forms, defined by the script or software programmer. If the value is modified, the name does not change. Word Problems with Variables Translating Words into Algebraic TermsĮxamples: Translate the following expressions. A variable is a named unit of data that is assigned a value.
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