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Describe Common Phrases to Represent Math Operations?
The table below shows the common phrases used in word problems to represent addition, subtraction, multiplication, and division.
+
-
*
/
plus more than sum increased by total
minus less than difference subtract decreased by
times product multiplied
divided quotient
plus more than sum increased by total minus less than difference subtract decreased by times product multiplied divided quotient
The following examples show common operations translated into algebraic expressions: a. 8 dollars more than the cost of a tape: 8+tb. 3 times faster than Fred's car: 3fc. 2 inches less than Gail's height: g-2
The following examples show the above expressions as equations: a. A CD costs 8 dollars more than a tape: c=8+tb. Heather's car is 3 times faster than Fred's car: h =3fc. Isabel's height is 2 inches less than Gail's height: i= g-2 The word "is" gives you a clue that a sentence translates into an equation. In other words, "is" represents the equal sign (=).
Fenrir the wolf is bound by a magical chain. The chain is an endless piece madr up of 30 links.Originally forged by 6 pieces , each made up of 5 links. It costs 2 silver coins to c
The scores of students taking the ACT college entrance examination are normally distributed with a mean m = 20.1 and a standard deviation s = 5.8. A single student is selected a
RANDOM VARIABLE A variable which assumes different numerical values as a result of random experiments or random occurrences is known as a random variable. The rainfal
Limits The concept of a limit is fundamental in calculus. Often, we are interested to know the behavior of f(x) as the independent variable x approaches some
Laws of Set Algebra From the given Venn diagram where T is the universal set and A its subset that we can deduce a number of laws as: i. A υ Ø = A ii. A υ T = T
To find out the perimeter of a triangular region, what formula would you use? The perimeter of a triangle is length of surface a plus length of side b plus length of side c.
sin (5pi/12)
Geometric Applications to the Cross Product There are a so many geometric applications to the cross product also. Assume we have three vectors a → , b → and c → and we make
what is 6/36 as two equivalent fractions 2/12 as two equivalent fractions 4/28 3/21 2/11 4/13=8/x 12/30=n/90 q/54=2/9 3/7 14/h=7/20
Probability Distributions Since the value of a random variable cannot be predicted accurately, by convention, probabilities are assigned to all the likely values that the varia
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