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? Substitue in the given information and solve for the unknown variable.Р”В®xample: Find the interest earned on $1000 for 1 year at rate of 6%Р”В®xample: Maria has $2500 to invest for 1 year, CD's are paying 5% simple interest and her savings is paying 8% simple interest. Watch Video: Algebra Help: Distance, Rate, and Time by Pat McKeague How long will it take to be 738 nautical miles apart? Watch the Video: Word Problem: Finding Consecutive Numbers That Satisfy a Given Requirement - Ex 1 by PatrickJMTР”В®xample: Two boats leave port at the same time, one heading north at 35 knots and the other south at 47 knots. Further explore this definition, and learn to distinguish between predicator and independent variables with examples of each. For example, in the equation below, y is the 'dependent variable' because its value is based on the value assigned to the 'independent variable' x. A predictor variable is used to predict an outcome or another variable. In algebraic equations, the value of one variable is often dependent on the value of another. Step 4 & Step 5: check and re-read to determine if you have answered the question. Variable: In mathematics, a variable is a symbol or letter, such as 'x' or 'y,' that represents a value. The age can take on different values because a person can be 20 years old, 35 years old, and so on. A simple example of a quantitative variable is a personРІР‚в„ўs age. Find each child's age if the sum of the ages is 35. Quantitative variables, also called numeric variables, are those variables that are measured in terms of numbers. For example, in our imaginary experiment on the effects of sleep deprivation on test performance, we would need to create very specific operational definitions for our two variables. It is customary to use x for what is called the ' independent variable, ' and y for. If every value of x is associated with exactly one value of y, then y is said to be a function of x. Jill's age is 1 year less than twice Joe's age. An operational definition describes how the variables are measured and defined in the study. In traditional calculus, a function is defined as a relation between two terms called variables because their values vary. Jen's age is 2 years more than 14 times Joe's age. The product of two and a number subtracted from 5Р”В®xample: Jerri has 3 children: Jen, Joe and Jill. For example, suppose a researcher collects data on ice cream sales and shark attacks and finds that the.

This type of variable can confound the results of an experiment and lead to unreliable findings. Word Problems with Variables Translating Words into Algebraic TermsР”В®xamples: Translate the following expressions. Confounding variable: A variable that is not included in an experiment, yet affects the relationship between the two variables in an experiment.

Another word for variable terms