Symbols of addition 5 pot

... number of inches in 5 feet, multiply 5, the number of larger units, by 12, the number of inches in one foot: 5 feet = ? inches 5 feet ϫ 12 (the number of inches in a single foot) = 60 inches: 5 ft ... the quantity of numbers in the set. Average = (sum of set) ÷ (quantity of set) Example Find the average of 9, 4, 7, 6, and 4. ᎏ 9+4+7 5 +6+4 ᎏ = ᎏ 3 5 0 ᎏ = 6 The...

Ngày tải lên: 07/08/2014, 22:20

... answer. Example Multiply 5 feet 7 inches by 3. 5 ft 7 in Multiply 7 inches by 3, then multiply 5 feet by 3. Keep the units separate. ϫ 3 15 ft 21 in Since 12 inches = 1 foot, simplify 21 inches. 15 ft 21 in = 15 ft ... examples of binomials: x + 2, 3x 2 – 5x,–3xy 2 + 2xy. ■ Trinomials are three non-like monomial terms separated by + or – signs. The following are examples of tri...

Ngày tải lên: 07/08/2014, 22:20

Ngày tải lên: 22/07/2014, 01:20

... equivalent result. Examples 5( a + b) = 5a + 5b 5( 100 – 6) = (5 ϫ 100) – (5 ϫ 6) This second example can be proved by performing the calculations: 5( 94) = 5( 100 – 6) = 50 0 – 30 470 = 470 ADDITIVE ... number 7. Other multiples of 5 are 5, 10, 15, 20, etc. Other multiples of 7 are 7, 14, 21, 28, etc. – THEA MATH REVIEW– 95 Example –2 + 3 = 1. Subtract the positive values o...

Ngày tải lên: 07/08/2014, 22:20

... then fill in zeros at the end of the numbers until each one has an equal number of digits. Example Compare .5 and .0 05. Line up decimal points. .5 .0 05 Add zeros. .50 0 .0 05 Now, ignore the decimal ... consider, which is bigger: 50 0 or 5? 50 0 is definitely bigger than 5, so .5 is larger than .0 05. ROUNDING DECIMALS It is often inconvenient to work with very long decimals. O...

Ngày tải lên: 07/08/2014, 22:20

... like denominators. Example ᎏ 1 3 ᎏ + ᎏ 2 5 ᎏ = ᎏ 1 3 ( ( 5 5 ) ) ᎏ + ᎏ 2 5 ( ( 3 3 ) ) ᎏ = ᎏ 1 5 5 ᎏ + ᎏ 1 6 5 ᎏ = ᎏ 1 1 1 5 ᎏ MULTIPLICATION OF FRACTIONS Rule: ᎏ a b ᎏ ϫ ᎏ d c ᎏ = ᎏ a b ϫ ϫ c d ᎏ ■ Multiplying ... fraction. The decimal .1 25 means 1 25 thousandths, so it is 1 25 parts of 1,000. An easy way to do this is to make 1 25 the numerator, and since there a...

Ngày tải lên: 07/08/2014, 22:20

... 5 Since 25 is the square of 5, it is also true that 5 is the square root of 25. The square root of a number might not be a whole number. For example, the square root of 7 is 2.6 457 51311. It is not ... of the event not occurring by subtracting from 1. Example If the probability of rain tomorrow is 45% , what is the probability that it will not rain tomorrow? 45% = . 45,...

Ngày tải lên: 07/08/2014, 22:20

... percent of 50 : 20% ϫ 50 . Five times the sum of a number and three: 5( x + 3). Phrases meaning “equals”: is; result is. Examples 15 is 14 plus 1: 15 = 14 + 1. 10 more than 2 times a number is 15: 2x ... –8 ᎏ 5 5 m ᎏ = ᎏ 4 5 0 ᎏ m = 8 Undo the addition of 8 by subtracting 8 from both sides of the equation. Then undo the multiplication by 5 by dividing by 5 on both side...

Ngày tải lên: 07/08/2014, 22:20

... will receive raises? 1. Translate. 15 is ____% of 75. 15 = x ϫ 75. 2. Solve. ᎏ 1 7 5 5 ᎏ = ᎏ 7 7 5 5 x ᎏ .20 = x 20% = x 15 is 20% of 75. Therefore, 20% of the employees will receive raises. – ... distance of 15x – ᎏ 1 4 5 ᎏ miles. The distance traveled is the same, therefore, make the two expressions equal to each other: 12x =15x – 3. 75 –15x = –15x ᎏ – – 3 3 x ᎏ = ᎏ...

Ngày tải lên: 07/08/2014, 22:20

... place. This is a function. y 1 4 3 2 5 –1 –2 –3 –4 1 5 4 32 5 –1–2–3–4 x y 1 4 3 2 5 –1 –2 –3 –4 1 54 32 5 –1 –2 –3–4 x 5 5 In this table, the x-value of 5 has two corresponding y-values, 2 ... distance of 15x – ᎏ 1 4 5 ᎏ miles. The distance traveled is the same, therefore, make the two expressions equal to each other: 12x =15x – 3. 75 –15x = –15x ᎏ – – 3 3 x ᎏ = ᎏ –3 –...

Ngày tải lên: 07/08/2014, 22:20