The most important thing to do when faced with a problem like this is to stop working on it.Honestly, it sounds paradoxical, but the biggest mistake people make when solving problems is trying to solve them too soon. Make sure you understand exactly what the question is asking and make sure you understand exactly what you are trying to solve for.You can simplify and evaluate expressions, factor/multiply polynomials, combine expressions.Tags: Hook For Essay About YourselfMarriage Benefits EssayAutomotive Repair Business PlanHelp Writing A PaperBusiness Plan AnalysisArgumentative Essay Immigration LawsEssay On Identical Twins
The second step in solving word problems is turning the words into one or more mathematical expressions or equations.
In our case, we need to figure out how to write an equation that takes the current weight on a scale and gives us back the number of dog toys hidden on it. Well, let’s take the total weight on the scale, which we’ll call W_total, and subtract the weight of just the towels, which we’ll call W_towels.
The difference between these two weights must be equal to the combined weight of all the dog toys, W_toys: But we don’t actually want to know the weight of the toys, we want to know the number of toys. Well, if we know the total weight of all the toys, W_toys, and we divide that by the weight of a single toy, W_toy (assuming they're all the same weight), we get the total number of toys, Ntoys: But how did we know the values of W_towels and W_toy?
We must have been clever enough to measure them and write them down before we put the towels on our scale. The third step in solving our word problem—or any word problem—is to solve for the variable you’re interested in.
Combining the two equations we came up with in our English-to-equation-translation, we get just such an equation: N_toys = ( W_total – W_towels ) / W_toy We can now turn this abstract solution (abstract in the sense of being written in terms of a bunch of variables) into a numerical solution simply by plugging in numerical values for all the variables on the right side of the equals sign.
I should say that plugging in values isn't always necessary.Whenever the scale senses a weight increase, it can tell your computer that another toy has been hidden.Your computer can then use some as-yet-unknown equation to figure out exactly how many toys are hidden.Solve your probability, combination, permutation problems. Statistics - find median, mean (arithmetic, geometric, quadratic), mode, dispersion, mormal distributions, t-Distribution.The solver successfully do Statistical hypothesis testing You can online solve chemistry equations.This step will often entail going through the procedure outlined in the How to Solve an Equation episode.Our goal is to solve for the total number of dog toys on the scale, N_toys.Today, I'm going to tell you about my simple 5-step method that will help you solve all your math problems—including those pesky word problems. Your cat, on the other hand, does not love your dog and therefore finds it amusing to hide his toys.In particular, we're going to talk about how to turn a word problem into an algebraic equation and then solve it.. Being quite clever, you suspect that the cat is the culprit, so you begin to monitor his favorite hiding spot: the pile of towels next to his bed.In our problem, we should ask ourselves: Can we actually build something that will discern the numer of hidden dog toys?Sure, all we need to do is put the cat's pile of towels on a smart scale that sends its weight to your computer.