math geometry perimeter 6

SAT math essentials part 6 pptx

SAT math essentials part 6 pptx
... REVIEW – Example c a2 ϩ b2 ϭ c2 32 ϩ 42ϭ c2 ϩ 16 ϭ c2 25 ϭ c2 ͙25 ϭ ͙c2 ෆ ෆ 5ϭc Example a 12 a ϩ b ϭ c2 a2 ϩ 62 ϭ 122 a2 ϩ 36 ϭ 144 a2 ϩ 36 Ϫ 36 ϭ 144 Ϫ 36 a2 ϭ 108 ෆ ෆ ͙a2 ϭ ͙108 a ϭ ͙108 ෆ 112 – ... triangle above? ෆ a ͙11 b ෆ c 65 d 11 e 65 Answer c Use the Pythagorean theorem: a2 ϩ b2 ϭ c2, where a ϭ and b ϭ a2 ϩ b ϭ c2 72 ϩ 42 ϭ c2 49 ϩ 16 ϭ c2 65 ϭ c2 65 ϭ ͙c2 ෆ ෆ 65 ϭ c ෆ Pythagorean Triples ... questions on the SAT ■ In isosceles triangles, equal angles are opposite equal sides 2 m∠a = m∠b ■ In equilateral triangles, all sides are equal and all angles are 60 ° 60 º s s 60 º 60 º s 110 – GEOMETRY...
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gre math review phần 6 pps

gre math review phần 6 pps
... Fahrenheit, for 10 days in May were 61 , 62 , 65 , 65 , 65 , 68 , 74, 74, 75, and 77 (a) Find the mean, median, and mode for the temperatures (b) If each day had been degrees warmer, what would have been ... range = 6 120 24 288 210 10 (a) 3 36 (b) 56 11 0.22 12 (a) (b) 13 (a) (b) 21 40 (b) (c) 10 40 45 14 (a) (c) 15 (a) 0.40 (b) 0.50 16 (a) 0. 56 (b) 0.94 17 (a) New York 18 (a) 19 76 (c) 0. 06 (b) 10.4 ... same period? 68 For more material and information, please visit Tai Lieu Du Hoc at www.tailieuduhoc.org ANSWERS TO DATA ANALYSIS EXERCISES (a) mean = 68 .6, median = 66 .5, mode = 65 (b) Each measure...
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RealLife Math Phần 6 pot

RealLife Math Phần 6 pot
... 0 .68 (95% Cl, 0. 56 0.82) P...
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Math test english 6 pot

Math test english 6 pot
... + c 4x2 + 12x d 4x2 + 10x − e 4x − 170 – ACT MATH TEST PRACTICE – [35 46] and y = [−2 40], find x − y −1 f [ ] 6 g [ ] −5 h [ 6 6] i [ ] j [ ] 26 If x = 27 If log 3x = 2, then x = ? a b c ᎏᎏ ... ͙17 ෆ c 19 d 17 e 3 6 ෆ 171 – ACT MATH TEST PRACTICE – 30 Which of the following equations has a graph that has a y-intercept of and is parallel to 3y − 9x = 24? f −12x + 4y = 16 g 9x − 3y = −15 ... of (͙37 ෆ)(͙125 ෆ)? f 52 g 4 ,60 0 h 150 i 66 j 138 33 What is the solution set of the equation x2 − 4x − = 2x + 23? a {−4, 4} b {−4, 23} c {1, 11.5} d {−3, 9} e {5, 6} 34 If a fair coin is flipped...
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