Symbols of addition 3 doc

... recognize .3 ៮ as ᎏ 1 3 ᎏ . The repeating pattern, in this case 3, becomes our numerator. There is one digit in the pattern, so 9 is our denominator. .3 ៮ = ᎏ 3 9 ᎏ = ᎏ 3 9 Ϭ 3 3 ᎏ = ᎏ 1 3 ᎏ Example Convert ... ᎏ 4 9 ᎏ ? Cross-multiply. 7 ϫ 9 = 63 4 ϫ 11 = 44 63 > 44, therefore, ᎏ 1 7 1 ᎏ > ᎏ 4 9 ᎏ Compare ᎏ 1 6 8 ᎏ and ᎏ 2 6 ᎏ . Cross-multiply. 6 ϫ 6 = 36 2 ϫ...

Ngày tải lên: 07/08/2014, 22:20

... division of fractions which can be trickier. Example ᎏ 2 3 ᎏ m + ᎏ 1 2 ᎏ =12 – ᎏ 1 2 ᎏ =– ᎏ 1 2 ᎏ ᎏ 2 3 ᎏ m =11 ᎏ 1 2 ᎏ ᎏ 3 2 ᎏ • ᎏ 2 3 ᎏ m =11 ᎏ 1 2 ᎏ • ᎏ 3 2 ᎏ ᎏ 3 2 ᎏ • ᎏ 2 3 ᎏ m = ᎏ 2 2 3 ᎏ • ... 2x + 3y = 5. There are an infinite number of values for x and y that that satisfy the equation. Instead, we are asked to isolate y on one side of the equation. 2x + 3y...

Ngày tải lên: 07/08/2014, 22:20

... density of water. The table of densities below shows that mercury (Hg) has a density of 13. 6g/cm 3 . This means that a cubic centimeter of mercury has 13. 6 times the mass of a cubic centimeter of ... relative to the density of water. 10. This …………… that a cubic centimeter of mercury has 13. 6 times the mass of a cubic centimeter of water. Exercise 3: Decide whe...

Ngày tải lên: 26/01/2014, 00:20

... majority of the population c. and the Malays form the majority of the population d. the Malays forming the majority of the population 33 . Malaysia is a founding member of the Association of Southeast ... organization b. the development of all countries allover the world c. the aims and purposes of the organization d. the laws of the members of the organization 38 . The th...

Ngày tải lên: 01/07/2014, 09:00

... the additive inverse of 3? – THEA MATH REVIEW– 93 This means, “what number can I add to 3 to give me the additive identity (0)?” 3 + ___ = 0 3 + 3 = 0 The answer is 3. ■ The multiplicative ... integer. Example 5 ϫ 7 = 35 The number 35 is, therefore, a multiple of the number 5 and of the number 7. Other multiples of 5 are 5, 10, 15, 20, etc. Other multiples of 7 are 7,...

Ngày tải lên: 07/08/2014, 22:20

... number of decimal places. Example What is the sum of 0.45, 0.8, and 1 .36 ? 11 0.45 0.80 + 1 .36 2.61 Take away 0 .35 from 1.06. 1 0 ΋ .0 1 6 –0 .35 0.71 MULTIPLICATION OF DECIMALS Multiplication of decimals ... share. Example Some multiples of 4 are: 4, 8, 12, 16, 20, 24, 28, 32 , 36 . . . Some multiples of 6 are: 6, 12, 18, 24, 30 , 36 , 42, 48 . . . Some common multiples...

Ngày tải lên: 07/08/2014, 22:20

... square of a number is the product of the number and itself. For example, in the statement 3 2 = 3 ϫ 3 = 9, the number 9 is the square of the number 3. If the process is reversed, the number 3 is ... be familiar with: Fraction Decimal Percentage ᎏ 1 2 ᎏ .5 50% ᎏ 1 4 ᎏ .25 25% ᎏ 1 3 ᎏ .33 3 . . . 33 .3 –– % ᎏ 2 3 ᎏ .666 . . . 66.6 –– % ᎏ 1 1 0 ᎏ .1 10% ᎏ 1 8 ᎏ .125 12.5% ᎏ...

Ngày tải lên: 07/08/2014, 22:20

... multiple of 3 on the roll of a die? The probability of getting an even number on the roll of a die is ᎏ 3 6 ᎏ , because there are three even numbers (2, 4, 6) on a die and a total of 6 possible ... The probability of getting a multiple of 3 is ᎏ 2 6 ᎏ , because there are 2 multiples of three (3, 6) on a die. But because the outcome of rolling a 6 on the die is an ove...

Ngày tải lên: 07/08/2014, 22:20

... 2: To change feet to yards, divide the number of feet given (9), by the number of feet in a yard (3) . 9 feet ÷ 3 feet in a yard = 3 yards Then multiply 3 yards by 4 yards = 12 square yards. (Note: ... subtracted. Examples 7x + 3x = 10x 6y 2 – 4y 2 = 2y 2 3cd 2 + 5c 2 d cannot be simplified. Since the exponent of 2 is on d in 3cd 2 and on c in 5c 2 d, they are not like terms. The p...

Ngày tải lên: 07/08/2014, 22:20

... REVIEW– 126 Reciprocal Rules There are special rules for the sum and difference of reciprocals. The reciprocal of 3 is ᎏ 1 3 ᎏ and the reciprocal of x is ᎏ 1 x ᎏ . ■ If x and y are not 0, then ᎏ 1 x ᎏ + ᎏ 1 y ᎏ = ... same, therefore, make the two expressions equal to each other: 12x =15x – 3. 75 –15x = –15x ᎏ – – 3 3 x ᎏ = ᎏ 3 – . 3 75 ᎏ x = 1.25 Be careful, 1.25 is not t...

Ngày tải lên: 07/08/2014, 22:20