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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 (=).
There are only Chinese and Malay pupils in a hall.The ratio of the number of boys to the number of girls is 2:3.The ratio of the number of Chinese boys to the number of Malay boys
If 3x2 is multiplied by the quantity 2x3y raised to the fourth power, what would this expression simplify to? The statement in the question would translate to 3x 2 (2x 3 y) 4 .
Test of hypothesis about the difference among two means The t test can be utilized under two assumptions when testing hypothesis about the difference among the two means; that
Q. Describe Standard Normal Distribution? Ans. The Standard Normal Distribution has a mean of 0 and a standard deviation of 1. The letter Z is often used to refer to a sta
29x27
7 is what percent of 105?.
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Illustration In a social survey whether the main reason was to establish the intelligence quotient or IQ of resident in a provided area, the given results were acquired as tab
GENERAL RULE A general rule is to subtract the probabilities with an even number of components inside the parentheses and add those with an odd number of components (one or th
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