# math comparing numbers 5

## SAT math essentials part 5 docx

... radical sign Example ෆ 5 c ϩ 15 ϭ 35 To isolate the variable, subtract 15 from both sides: ෆ 5 c ϩ 15 Ϫ 15 ϭ 35 Ϫ 15 5 c ϭ 20 Next, divide both sides by 5: 5 ෆ 20 ᎏ c ϭ ᎏᎏ ᎏ 5 ͙c ϭ ෆ Last, square ... 6a Ϫ 5c Ϫ b Ϫ d c (6a Ϫ 5c)(b ϩ d) d e 6a Ϫ d Ϫ 5c ᎏᎏ b 6a Ϫ 5c ᎏᎏ bϩd Answer e Use factoring to isolate x: bx ϩ 5c ϭ 6a Ϫ dx bx ϩ 5c ϩ dx ϭ 6a Ϫ dx ϩ dx bx ϩ 5c ϩ dx ϭ 6a bx ϩ 5c ϩ dx Ϫ 5c ϭ ... of 56 a5 ϩ 21a? a 7a(8a4 ϩ 3a) b 7a(8a4 ϩ 3) c 3a(18a4 ϩ 7) d 21a (56 a4 ϩ 1) e 7a(8a5 ϩ 3a) Answer b To ﬁnd the factors, determine a common factor for each term of 56 a5 ϩ 21a Both coefﬁcients (56 ...
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## gre math review phần 5 docx

... rectangular solid has length 8 .5, width 5, and height 10, then its volume is V = (8 .5) (5) (10) = 4 25, and its surface area is A = 2[ (5) (8 .5) + (8 .5) (10) + (5) (10)] = 355 45 For more material and information, ... EXERCISES x = 57 , y = 138 x = 70, y = 1 25 z = x + y 1,440 144 52 or 59 (a) 50 (b) 17 .5 (a) 48 (c) 5 (d) 30 (c) 29 (b) 24 + (a) 8p (b) 16 p 8p 10 (a) 24 p (b) 64 p 11 (a) 208 (b) 17 50 (c) (c) ... cylinder has a base radius of and a height of 6 .5, then its volume is V = p (3) (6 .5) = 58 .5p , and its surface area is A = (2)( p )(3) + (2)( p )(3)(6 .5) = 57 p 46 For more material and information,...
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