... ARCO ■ ** SAT ** ** II ** ** Math ** www.petersons.com/arco ** Part ** VI 3 **18 ** PRACTICE TEST Answer Key ** Math ** Level IIC 10 B A B C E D C D D A 11 **12 ** 13 14 15 16 17 **18 ** 19 ** 20** E D D B C D E B C A ** 21** ** 22** ** 23** ** 24** ** 25** ** 26** ** 27** ** ****28** ** 29** 30 ... ( ) ≈ 50 ⋅ **586** ≈ ** 29** .3 ≈ ** 29** www.petersons.com/arco ARCO ■ ** SAT ** ** II ** ** Math ** Mathematics Tests **323** ** 27** The correct answer is (C) Longest dimension is along the diagonal d2 = ** 24** 2 + **82** + **62 ** d2 = 576 + 64 ... ARCO ■ ** SAT ** ** II ** ** Math ** www.petersons.com/arco **322** ** Part ** VI ** 24** The correct answer is (B) ** 25** The correct answer is (A) ** 26** The correct answer is (B) He saves Percent saved = 2x − x ⋅ 100 2x ( ) ** 2** ⋅ 100...

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... 99 97– **98 ** 95–96 93–94 **91** 92 ** 89** –90 ** 87** **88** ** 85** **86** ** 83** **84** **81** **82** 79 **80** Raw Score 50 49 **48 ** 47 46 45 44 43 42 **41 ** 40 Approximate Percentile Ranking 77– **78 ** 75–76 73–74 **71** 72 69–70 67– **68 ** 65–66 63–64 **61** 62 59–60 ... ( **1 ** + i) i2 = **1;** i4 = ** 1;** i5 = i4 ⋅ i = i; i6 = i2 ⋅ i4 = ( **1)** **(1)** = **1 ** 14 The correct answer is www.petersons.com/arco ARCO ■ ** SAT ** ** II ** ** Math ** Math Practice Exercises and Solutions by Topic ** 14** 1 ** 14** ... (A) (B) (C) ** 12** (D) ** 15** (E) ** ****18** If n is a positive integer, which of the following is always odd? (A) ** 19** n + (B) ** 19** n + (C) ** 19** n2 + (D) ** ****18** n + (E) ** ****18** n + www.petersons.com/arco ARCO ■ ** SAT ** ** II ** ** Math ** ...

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... for the side-by-side arrangement measured almost 1 ** ****4-3** **/8 ** inches + inch overlap = 1 ** ****5-3** **/8 ** inches, whereas the triangle conﬁguration was approximately 1 ** ****2-3** **/8 ** inches + inch overlap = 1 ** ****3-3** **/8 ** inches TAPE ... Inches) Box Dimensions 1 **08 ** inches (total) − 40 inches (girth) = **68 ** inches (length) **68 ** inches × 10 inches × 10 inches = 6 **,80** 0 cubic inches **68 ** 10 10 10 10 1 **08 ** inches (total) − **48 ** inches (girth) = 60 ... doghouse model using a ** ****4- ** by ** ****8-** inch piece of tagboard Provide each student with a piece of graph paper and have them use their rulers and pencils to mark a 4-inch by ** ****8-** inch border Explain that...

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... less 29–30 Scholastic Learning Express: ** Addition ** ** and ** ** Subtraction,** Level © Scholastic ** Addition ** ** and ** ** Subtraction ** Understanding basic ** addition ** ** and ** ** subtraction ** facts are important real-life skills ... (49) Encourage your child to become an **addition ** ** and ** ** subtraction ** champion.” ** Addition ** ** and ** ** Subtraction** Ô/ Scholastic Learning Express: ** Addition ** ** and ** ** Subtraction,** Level © Scholastic adding ... ** L2 ** e a rni ng Mathematics Ex pre ss ** Addition ** ** and ** ** Subtraction ** This book belongs to - Scholastic Learning Express: ** Addition ** ** and ** ** Subtraction,** Level © Scholastic Copyright...

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... Certificate 79 Cut ** and-** Paste Stickers 80 Scholastic Learning Express: ** Addition ** ** and ** ** Subtraction,** Level © Scholastic ** Addition ** ** and ** ** Subtraction ** Understanding basic ** addition ** ** and ** ** subtraction ** facts ... thousands thousands thousands thousands Add Write the number thousands hundreds tens ones + + + = + + + = + + + = 4 + + + = + + + = 46 ** Addition ** ** and ** ** Subtraction ** Ô / Scholastic Learning Express: ** Addition ** ... e a rni ng ** L3 ** Mathematics Ex pre ss ** Addition ** ** and ** ** Subtraction ** This book belongs to Scholastic Learning Express: ** Addition ** ** and ** ** Subtraction,** Level © Scholastic Copyright...

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... 90 is **18?** First translate the problem into ** math:** What precentage of 90 is **18?** x 100 ϫ 90 ϭ **18 ** Now solve: x ᎏᎏ ϫ 90 ϭ **18 ** 100 90x ᎏᎏ ϭ **18 ** 100 9x ᎏᎏ ϭ **18 ** 10 9x ᎏᎏ ϫ 10 ϭ **18 ** ϫ 10 10 9x ϭ **180** x ϭ ... Example What number is ** 80** % of 40? First translate the problem into ** math:** What number is ** 80** % of 40? x ϭ ** 80** ϫ 40 100 Now solve: ** 80** x ϭ ᎏ0ᎏ ϫ 40 3,200 x ϭ ᎏ0ᎏ x ϭ 32 Answer: 32 is ** 80** % of 40 ■ ﬁnding ... Simplify Ϫ3 ϭ Ϫ3x ϩ **18 ** Ϫ3 Ϫ **18 ** ϭ Ϫ3x ϩ **18 ** Ϫ **18 ** Ϫ21 ϭ Ϫ3x Ϫ21 Ϫ3x ᎏᎏ ϭ ᎏᎏ Ϫ3 Ϫ3 Ϫ21 ᎏᎏ ϭ x Ϫ3 7ϭx Therefore, the x-coordinate of the y-intercept is 7, so the y-intercept is (7,0) 1 **48 ** C H A P T E R Problem...

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... < ** 23** Which of the following is the product of 4 **327** and 546? (A) ** 23** **625** 41 (B) ** 23** **625** **42 ** (C) ** 23** **625** 43 (D) ** 23** **625** 46 (E) ** 23** **625** **48 ** www.petersons.com **323** **324** Chapter 17 ** 24** If a classroom contains ** 20** to ** 24** ... the origin? (A) (B) ** 2.** 5 (C) (D) (E) 16 The product of 3456 and **789** is exactly (A) ** 27** 26 **787** (B) ** 27** 26 **785** (C) ** 27** 26 **781** (D) ** 27** 26 **784** (E) ** 27** 26 **786** 17 Susan got up one morning at 7: **42 ** A.M and went to bed ... (E) (B) (C) (D) 50 100 130 **12 ** 25 www.petersons.com ** 2+** ** 2+** 2 + 10 **12 ** 14 If a is not or 1, a fraction equivalent to (A) (A) (B) (C) (D) (E) (E) 2a − ** 2 ** a **2 ** a **2 ** a 2a − 1 a ** 2** is a 15 At 3:30 P.M the...

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... square root of ** 13** 9.24 is exactly (A) ** 1.** **18 ** (B) ** 11** **.8 ** (C) ** 11** ** 8 ** (D) ** 11** ** 8 ** (E) ** 11** ** 80** Find 5 ** 10** 9x and 4x is x (A) 36 x 36x 6x 6x2 (B) (C) = ** 16** , then x equals x (A) (B) (C) (D) (E) ** 13** 2 ** 13** 3 ** 13** 4 ** 13** 5 ** 13** 7 45 is ... – 4y = ** 13** y = ** 13** y **=1 ** (A) Multiply first equation by 3, second by 2, then add 9x + 6y = ** 15** a + 3b 8x – 6y = 2a + ** 14** b ** 17** x = ** 17** a + ** 17** b x=a+b 2x = ** 80** x = 40 ** 80** = ** 1 ** is – 27 6x + 9y = **21 ** 2x = ** 16** Checking, ... ( **1)** + ( –5) + ( **8)** 5(–2) – 4( **10** ) – 3(5) = **10** + 40 – ** 15** = **+15** = y + **48 ** = 2y **48 ** = y **10** (B) Multiply by ** 10** 0 to clear decimals 2(x – 2) = ** 10** 0 2x – = ** 10** 0 2x = ** 10** 4 x = 52 (A) 4x + 4r = 2x + ** 10** r...

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... and, most importantly, different numbering systems The Golden Ratio is approximately 1.6 **180** 33 **988** 74 **989** **484** 82 to (how the Golden Ratio is calculated is beyond the scope of this text) The Golden Ratio ... with respect to the whole Expressed as a percentage, the ratio times 100 (e.g., **78/** 100 ϭ **78 ** and so **78 ** ϫ 100 = **78%** ) Rate: A comparison of the change in one quantity, such as distance, temperature, ... example 0ЊC ϭ 273 K, yet 30ЊC ϭ 273 K ϩ 30 ϭ 303 K and 15ЊC ϭ 273 K ϩ 15 ϭ **288** K Accordingly, 303 K is not twice of **288** K and 30ЊC is not twice as warm as 15ЊC NOMINAL SCALE The nominal scale is...

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... 213 **38 ** 82 If ** the ** average of 14 scores is ** 80** , ** the ** sum of ** the ** 14 scores is 14 × ** 80** or 1,120 If ** the ** average of four of these scores is 75, ** the ** sum of these four scores is 300, so ** the ** sum of ** the ** remaining ... at ** the ** end of ** the ** ** section,** go back and check your answers Good luck! **180** 56 **58 ** ** SAT2** 006[05](fin).qx 11/21/05 6:45 PM Page **181** C H A P T E R ** The ** ** SAT ** Writing ** Section ** What to Expect in ** the ** Writing ** Section ** ... 56 **58 ** ** SAT2** 006[04](fin).qx 11/21/05 6:44 PM Page 1 **78 ** – ** THE ** ** SAT ** ** MATH ** ** SECTION ** – Grid-In Answers 11 1 **58 ** If you are given two numbers, A and B, then B – A + is ** the ** formula for ﬁnding ** the ** quantity...

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... 100 j 19 ͙ෆ ᎏ ᎏ 10 77 Find the value of x ¯¯¯ √5 45° x a b c d e ͙7 ෆ ͙10 ෆ 2͙5 ෆ **182** – ACT ** MATH ** ** TEST ** PRACTICE – **78 ** Which equation corresponds to the graph below? (0,3) (−5,0) (5,0) (0,−3) f x2 ... 3x + y < − 3x + 4x ᎏ ** 80** What is the domain of the function f(x) = ᎏ− ? x2 + 3x − f {x | x ≠ 0} g Ø h All real numbers i {x | x ≠ 3} j {x | x ≠ −4 and x ≠ 1} **183** – ACT ** MATH ** ** TEST ** PRACTICE – Practice ... length of the altitude? f 7͙3 inches ෆ g inches h 7͙2 inches ෆ i 6͙3 inches ෆ j 12 inches **181** – ACT ** MATH ** ** TEST ** PRACTICE – 75 What is the sum of the solutions to the equation 2x2 = 2x + 12? a b c...

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... j the reader HUMANITIES: This passage is taken from the personal memoirs of Ulysses S Grant, **188** 5 **86** The Cause of the Great War of the Rebellion against the United States will have to be attributed ... migration and status of birds? f ** university ** personnel and volunteer birdwatchers g Fish and Wildlife Service h Biological Survey j Fish and Wildlife Service along with ** university ** personnel and volunteer ... word exhausted, as it is used in line 23, most nearly means: a impotent b stocked c spent d tired **68 ** According to the passage, Sylvia waited for Lola instead of going out and leaving her a note because:...

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... on the ** SAT ** Convert All Units of Measurement to the Same Units Used in the Answer Choices before Solving the Problem Fill in Answer Ovals Carefully and Completely The ** Math ** sections of the ** SAT ** are ... how to answer the question, don’t bother guessing Start with Question 1, Not Question 25 The ** SAT ** ** math ** questions can be rated from 1–5 in level of difﬁculty, with being the easiest and being the ... Question You have 25 minutes to answer questions in each of two ** math ** sections and 20 minutes to answer questions in the third ** math ** section In all, you must answer 65 questions in 70 minutes That...

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