sat virtual reality ii explanations phần 2 doc

... first, 5 ᎏ 4 5 ᎏ 3 5 ᎏ 3 10 ᎏ 6 1 ᎏ 6 1 ᎏ 6 1 ᎏ 6 1 ᎏ 6 60 ᎏ 360 1 ᎏ 2 c + d ᎏ 2 a + b ᎏ 2 c + d + 1 ᎏᎏ 2 a + b ᎏ 2 c + d ᎏ 2 a + b ᎏ 2 SAT Virtual Reality II 20 section three Section 3 (Math) 1. B In the QC section ... correct. 1 ᎏ 10 1 ᎏ 8 1 ᎏ 8 1 ᎏ 4 1 ᎏ 4 3 ᎏ 4 3 ᎏ 4 1 ᎏ 4 1 ᎏ 4 3 ᎏ 4 3 ᎏ 4 1 ᎏ 8 17 ᎏ 9 1 ᎏ 9 1 ᎏ 9 1 ᎏ b c ᎏ b 17 ᎏ 9 1 ᎏ 2 1 ᎏ 2 1 ᎏ 2 1 ᎏ 2...

Ngày tải lên: 24/07/2014, 05:20

... × 3 × 3 × 4 × 4 × 4 = 2 × 3 × 4 × 2 × 3 × 4 × 2 × 3 × 4 = (2 × 3 × 4) 3 2 × 3 × 4 is 24 , so 24 3 = r 3 and r = 24 , choice (D). 3. E Here we’ve got 2 equations, one with 2 variables and one with ... only 1 variable. If 2a = 10, then dividing both sides by 2 gives us a = 5. If a = 5, then a 2 – 16 = b 2 can be written 5 2 – 16 = b 2 , or 25 – 16 = b 2 , or 9 = b...

Ngày tải lên: 24/07/2014, 05:20

... get: Area of ∆ ACE = 3(BC)(BD) = 3(7) = 21 7 2 1 2 7 2 Area of ∆ ACE = 1 2 (AC)(EF ) = 1 2 (3BC)(2BD) = 3(BC)(BD) 1 2 1 2 section four SAT Virtual Reality II 34 23 . 4.80 You only have to find the ... relationships between the columns, the answer is (D). 5x 2 + 1= 46 5x 2 = 45 x 2 = 9 section four SAT Virtual Reality II 28 section five SAT Virtual...

Ngày tải lên: 24/07/2014, 05:20

... 3x ᎏ 3 r + (r + x) + (r + 2x) ᎏᎏᎏ 3 r + s + t ᎏ 3 r + s + t ᎏ 3 section two SAT Virtual Reality III 16 SAT Virtual Reality III 22 section three correct. (A) is too specific—the author’s not comparing ... answer is (B). section two SAT Virtual Reality III 13 W D P M 6 29 25 25 W D P M 6 29 25 25 19 10 section three SAT Virtual Reality III 17 Section 3 (Verbal)...

Ngày tải lên: 24/07/2014, 05:20

... BCD is around × 7 × 7, or × 49, or 24 , which is closest to 24 , choice (C). 1 ᎏ 2 1 ᎏ 2 1 ᎏ 2 1 ᎏ 2 1 ᎏ 2 1 ᎏ 2 –5.1 5.1 –5.15.1 5.1 x 1 ᎏ 2 SAT Virtual Reality II 10 section one 17. B The only ... so choice (C) must be correct. 1 ᎏ 4 1 ᎏ 3 1 ᎏ 2 1 ᎏ 2 3 ᎏ 10 6 ᎏ 20 SAT Virtual Reality II 7 section one a – 1 a – 2 a – b a + b a a + 1 a + 2 bb...

Ngày tải lên: 24/07/2014, 05:20

... + 2) (6) 48 = (x + x + 2) (6) 8 = (x + x + 2) 8 = 2x + 2 6 = 2x x = 3 1 2 $5.00 + 40($0 .25 ) + 50($0.10) = $5.00 + $10.00 + $5.00 = $20 .00 section five SAT Virtual Reality III 35 ( c , d ) ( a , ... answer choice (B). 1 ᎏ 5 20 ᎏ 100 1 P 2 R 3 4 5 S 6 1 2 R 3 P 4 S 5 6 1 2 R 3 4 5 6 section seven SAT Virtual Reality III 43 4(18) + 2( 25 – 18) = 72 + 14 = 86 It...

Ngày tải lên: 24/07/2014, 05:20

... the 2 bases. Suppose b B = 3 and b A = 2. Then you have: 1 ᎏ 2 1 ᎏ 2 1 ᎏ 2 1 ᎏ 2 2 ᎏ 10 1 ᎏ 10 2 ᎏ 10 7 ᎏ 10 2 ᎏ 10 section four SAT Virtual Reality III 24 section four SAT Virtual Reality III 29 19. ... ($1.75) = $1 .25 , so put 1 .25 in the grid. 5 7 7N ᎏ 5 2N ᎏ 5 2 N ᎏ 5 87.5 ᎏ 100 350 ᎏ 400 PART ᎏ WHOLE section four SAT Virtual Reality III 28 secti...

Ngày tải lên: 24/07/2014, 05:20

... have noticed that 2x 2 – 8x looks very similar to x 2 – 4x. In fact, 2x 2 – 8x = 2( x 2 – 4x). So, if x 2 – 4x – 12 = 0, then x 2 – 4x = 12, and 2x 2 – 8x = 2( x 2 – 4x) = 2( 12) or 24 , answer choice ... given the expression x 2 + 2xy + y 2 . Since x is 1 and y is –1, this expression becomes x 2 + 2xy + y 2 = (1) 2 + 2( 1)(–1) + (–1) 2 = 1 + (2) (–1) + 1 = 1...

Ngày tải lên: 24/07/2014, 05:20

... ta tính đợc. tm 2 2 )(1 tm 2 ).(1 0 tm 2 2 ttm1 B 2 2 sin 4 ).cos.d 2 (B . 2 . 4 dcosB 4 dcosB 2 B =+== Vậy với máy cực ẩn: 2 2 sin . 4 B B k tm tm1 t == 2- 10 Thờng = ... k.k .l. 4.m.f. I E x == 2- 19 uq 2 dq 2 q 0 q uq uq k p .kW k.k .l. 4.m.f. I E x == 2- 20 Thờng: x d = 0,5 - 1,5; x q = 0,3 - 0,9 Máy điện 2 9 2. Máy...

Ngày tải lên: 12/12/2013, 20:15

... long. III. 16b 17c 18a 19c 20 c IV. 21 a 22 b 23 c 24 a 25 b 26 d V. 27 d 28 d 29 c 30a 31c TEST 3 I. 1d 2c 3d 4a 5b II. 6b 7a 8a 9c 10a 11b 12b 13b 14a 15b III. 16b 17b 18a 19c 20 d IV. 21 a 22 d 23 a ... 22 d 23 a 24 a 25 a 26 d 27 c 28 b V. 29 c 30b 31d 32d 33b TEST 4 I. 1a 2d 3a 4b 5a II. 6a 7a 8a 9a 10a 11a 12a 13b 14a 15a III. 16c 17a 18a 19d 20 d...

Ngày tải lên: 15/12/2013, 01:15