New SAT Math Workbook Episode 1 part 3 doc

... 51 255 12 6 255 () () () == + + 3. (D) 3 4 18 38 24 19 12 + 5 6 +20 24 === 1 4 31 1 12 19 12 11 12 8 12 2 3 + 2 3 +8 12 == − == 4. (B) 9 11 3 5 45 33 55 12 55 − = − = 5. (E) 1 4 31 1 12 + 2 3 +8 12 == 11 12 5 8 88 ... Subtract 45 5 12 from 61. (A) 15 7 12 (B) 15 5 12 (C) 16 7 12 (D) 16 5 12 (E) 17 5 12 3. Find the product...

Ngày tải lên: 22/07/2014, 11:20

... price $ 432 0 Retest 1. (A) $12 1 is 11 0% of the cost. 12 1 = 1. 10x 12 10 = 11 x x = $11 0 2. (A) He earns 6% of ( $16 0,000 – $20,000). 14 0,000 × .06 $8400.00 Add this to his base salary of $10 ,000 and ... discounts of 15 % and 10 %? (A) 25% (B) 24.5% (C) 24% (D) 23. 5% (E) 23% 1. A TV sells for $12 1. What was the cost if the profit is 10 % of the cost? (A) $11 0 (B) $10 8.90...

Ngày tải lên: 22/07/2014, 11:20

... thesis. CHAPTER 4: WRITING PRACTICE ESSAYS 61 www.petersons.com PRACTICE ESSAY 1 Follow these steps to writing your essay. TIP Set aside 5 minutes for Steps 1 through 5. Step 1 Read the question carefully. Step ... sentences. • Check your grammar and mechanics. CHAPTER 4: WRITING PRACTICE ESSAYS 63 www.petersons.com SELF-EVALUATION RUBRIC 65 43 21 Overall Impression Demonstrates e...

Ngày tải lên: 22/07/2014, 11:20

... radius 3x is π (3x) 2 = 9πx 2 = 9 · 4 = 36 . 3. (D) 23 49 13 13 22 2 2 2 + + = = = = x x x x 4. (E) The sum of the angles in a parallelogram is 36 0°. 12 36 0 30 x x =° =° Angle B = 5x = 5 · 30 ° = 15 0° 5. ... whose bases are 10 and 12 and whose altitude is 3 is (A) 66 (B) 11 (C) 33 (D) 25 (E) 16 1 2 2. The circumference of a circle whose area is 16 π is (A) 8π (...

Ngày tải lên: 22/07/2014, 11:20

... and Radicals 15 3 www.petersons.com Exercise 2 1. (A) 218 62 12 3 612 672⋅= =⋅= 2. (B) 33 333 3 2 733 81 3 ⋅= =⋅() 3. (A) Using the distributive law, we have 1 2 12 2 1 2 43 3+ 1 4 + 1 2 + 1 2 ⋅= ⋅ = 4. ... EXERCISES Exercise 1 1. (E) 427 49 3 12 3= ⋅= 248 216 38 3 14 7 49 3 7 3 12 3 8 3 7 3 11 3 =⋅= =⋅= =−+ 2. (B) 80 16 5 4 5=⋅= 45 9 5 3 5 20...

Ngày tải lên: 22/07/2014, 11:20

... square root of 13 9.24 is exactly (A) 1. 18 (B) 11 .8 (C) 11 8 (D) .11 8 (E) 11 80 7. Find xx 22 36 25 + . (A) 11 30 x (B) 9 30 x (C) x 11 (D) 2 11 x (E) x 61 30 8. xy 22 + is equal to (A) x + y (B) x ... + 1) = 0 x = 0 4x + 1 = 0 x = 0 or – 1 4 8. (A) (x + 12 )(x – 3) = 0 x + 12 = 0 x – 3 = 0 x = 12 or +3 9. (B) x 2 3+ = x + 1 x 2 + 3 = x 2 + 2x + 1...

Ngày tải lên: 22/07/2014, 11:20

... spaced, so the average is the middle number, 3a. 5. (B) 1 2 1 3 1 4 6 12 4 12 3 12 13 12 ++ + +== To divide this sum by 3, multiply by 1 3 13 12 1 3 13 36 ⋅ = ... are 15 , 16 , 17 , 18 , and 19 . Exercise 3 1. (A) 6 12 0 720 8 12 5 10 00 10 11 6 11 60 24 2880 12 0 () = () = () = ) 2. (C) 36 0 18 0 455 220 7 400 57 1 7 () = () = ) , which i...

Ngày tải lên: 22/07/2014, 11:20

... 1 2 25% .25 1 4 75% .75 3 4 10 % .1 1 10 30 % .3 3 10 70% .7 7 10 90% .9 9 10 33 1 3 % .33 1 3 66 2 3 % .66 2 3 16 2 3 % .16 1 6 83 1 3 % . 83 5 6 20% .2 1 5 40% .4 2 5 60% .6 3 5 80% .8 4 5 12 1 2 % ... 11 2. Proportion Method Decimal Method Fraction Method 12 1 2 10 0 11 2 10 0 14 00 14 = = = x x x 11 2 12 5 560 224 11 2 14 00...

Ngày tải lên: 22/07/2014, 11:20

... January? (A) 12 50 (B) 12 25 (C) 1 2 (D) 12 40 (E) 12 60 2. What part of a day is 4 hours 20 minutes? (A) 1 6 (B) 13 30 0 (C) 1 3 (D) 13 72 (E) 15 77 3. Mrs. Brown owns X books. 1 3 of these ... inches. One yard is 36 inches. 1 ft. 3 in. is 15 inches. 15 36 5 12 = 7. (D) There were 40 students at the meeting. 8 40 1 5 = 8. (C) 1 3 1 4 1 10...

Ngày tải lên: 22/07/2014, 11:20

... 43 21 214 3 12 34 3 412 11 11 0 + , 3. (A) 56 3 21 8 42 427 + 4. (C) 99 88 77 66 55 38 5 + 5. (B) 12 12 232 3 34 34 4545 5656 17 17 0 + , Chapter 1 16 www.petersons.com Exercise 6 1. (C) 437 24 17 48 8740 10 4 ... 3. (E) 30 7 46 18 42 12 280 14 12 2 × , 4. (B) ) 48 38 304 798 33 6 470 432 38 4 38 4 5. (D) 6 43 46 3 346 53 076 . . . . + 6. (D...

Ngày tải lên: 22/07/2014, 11:20