Chapter 5 transposition Flashcards
Dividing by a fraction
Invert the second fraction, then multiply you do not need to find a common denominator, when multiplying fractions only when adding and subtracting
Turn a decimal into a fraction
Divide the decimal find the number of decimal points so if it is to you divide by 100 and if it is three divide by1000
Transposing 1/2 in an equation
To move one half from one side of the equation to the other multiply by two
How to move numbers and letters in a equation
Leave the unknown letter where it is and move everything else to find out how to solve for that letter do not move the letter first just leave it where it is
Figuring out percentages of how much something increased or decreased in a period of time
Take the difference between the increase or decrease in divided by the original amount and multiplied by 100 ensure that the increase or decrease is divided by the amount it corresponds to
Figuring out volume or surface area of a fuel tank with hemispherical ends
Ensure you take the diameter of the ends off the total length of your tank so you were figuring out the spheres, separate from the square part of the tank
