# 'Cross products' presentation slideshows

## Similar Figures

Similar Figures. Susan Phillips Lee’s Summit, MO. M.C. Escher. Some artists use mathematics to help them design their creations. . In M.C. Escher’s Square Limit, the fish are arranged so that there are no gaps or overlapping pieces. Square Limit by M.C. Escher.

By carson
(229 views)

## Finding a Number When the Percent Is Known

Finding a Number When the Percent Is Known. 8.3. Pre-Algebra. 1. 3. 33. %. Warm Up. 1. What percent of 20 is 18? 2. What percent of 400 is 50? 3. 9 is what percent of 27? 4. 25 is what percent of 4?. 90%. 12.5%. 625%. Learn to find a number when the percent is known. 12. 60.

By pia
(205 views)

## 5.1 Ratios, Rates, & Proportions

5.1 Ratios, Rates, & Proportions. Ratio: The ratio of 2 numbers a and b is the quotient of the numbers. The numbers a & b are referred to as the terms of the ratio. The ratio of 2 numbers a and b may be written in a variety of ways: a a to b a : b

By sidney
(510 views)

## Solving Proportions

Solving Proportions. Section 5.2. Objectives. Determine whether a proportion is true or false Solve a proportion. Objective 1: Determine whether a proportion is true or false. Objective 1. Proportions states two ratios are equal

By gagan
(157 views)

## Measurement Activities

Measurement Activities. Virginia Standards of Learning Grade 4 SOL 4.10 a, b, c. SOL 4.10 a Estimate conversions between U.S. Customary and metric units, using ballpark comparisons: 1 ounce is about 28 grams; A paper clip weighs about 1 gram An ounce is about the weight of 10 pennies

By javier
(138 views)

## 6.4 Parallel Lines and Proportional Parts

6.4 Parallel Lines and Proportional Parts . Objectives. Use proportional parts of triangles Divide a segment into parts. Triangle Proportionality Theorem.

By honey
(660 views)

## 1-8

Rates, Ratios, and Proportions. 1-8. Holt Algebra 1. Warm Up. Lesson Presentation. Lesson Quiz. Holt McDougal Algebra 1. Warm Up Solve each equation. Check your answer. 1. 6 x = 36 2. 3. 5 m = 18 4. 5. 8 y =18.4 Multiply. 6. 7. 6. 48. 3.6. –63. 2.3. 7. 10.

By manning
(127 views)

## Warm Up

6 10. ,. 9 15. 5 6. ,. 16 18. ,. 3 2. ,. Warm Up. Find two ratios that are equivalent to each given ratio. Possible answers:. 10 12. 20 24. 3 5. 1. 2. 45 30. 90 60. 24 27. 8 9. 3. 4. Solving Proportions. 7.4. Pre-Algebra. Learn to solve proportions.

By jered
(159 views)

## Lesson 38 Ratio Problems

Lesson 38 Ratio Problems. We can solve proportions that contain an unknown by setting the cross products equal and then dividing to complete the solution. When we set the cross products equal, we say that we are cross multiplying. Solve: . Lesson 38 cont.

By xia
(113 views)

## 7-6

7-6. Similar Figures. Warm Up. Problem of the Day. Lesson Presentation. Pre-Algebra. 7-6. Similar Figures. p 9. 3 9. y 5. 28 26. 56 35. 4 12. 56 m. b 30. =. =. =. =. Pre-Algebra. Warm Up Solve each proportion. 1. 2. b = 10. y = 8. m = 52. 3. 4. p = 3.

By val
(178 views)

## Warm Up

Preview. Warm Up. California Standards. Lesson Presentation. Warm Up. Determine whether the ratios are proportional. Evaluate the expression. (16 – 8)  3 + (100  10). 5 8. 15 24. ,. 1. yes. 16 25. 12 15. ,. 2. no. A. 2 B. 18 C. 34 D. 104. 15 10. 20 16. ,.

By avery
(161 views)

## Comparasi ó n de Regresión Lineales

Comparasi ó n de Regresión Lineales. Capitulo 18. Los temas . Regresión Lineal Comparando ecuaciones lineales Bondad de ajuste (Chi square) Tabla de contingencia The sign test (la prueba de signos) The run test (la prueba de corrida). Hembra. Macho. La inteligencia.

By valtina
(6 views)

## Section 9.6

Section 9.6. Rational Equations. Solving Rational Equations. ALGEBRA 2 LESSON 9-6. (For help, go to Lessons 5-8 and 9-1.). Find the LCD of each pair of fractions. 1. , 2. , 3. , 4. , 5. , 6. , . x 2. 3 x 8. 1 3 t. 1 5 t 2. 2 h h 3. 4 y + 2. 3

By infinity
(88 views)

## Solving Percent Problems Using Proportions

45 150. n 100. Write a proportion. =. Write the cross products. 150 n = 45 ( 100 ). 150 n 150. 45(100) 150. Divide each side by 150. =. Simplify. n = 30. COURSE 2 LESSON 6-5. Solving Percent Problems Using Proportions. What percent of 150 is 45?.

By aneko
(129 views)

## ME 221 Statics Lecture #16 Sections 6.6 – 6.7 Final Exam Review

ME 221 Statics Lecture #16 Sections 6.6 – 6.7 Final Exam Review. Homework #6. Chapter 7 problems: 6, 19 & 26 Chapter 6 problems 3 & 6 Due Today MatLab Group Problems 7.19, 7.26 & 6.15 Due Today. Trusses.

By aideen
(124 views)

## 8-6 The Law of S ines and Law of Cosines

8-6 The Law of S ines and Law of Cosines. You used trigonometric ratios to solve right triangles. Use the Law of Sines to solve triangles. Use the Law of Cosines to solve triangles. Law of Sines.

By yanka
(145 views)

## Warm Up Do each of these pairs make a proportion? Solve. 5x = 85 Solve. 2x = 16 Solve 9x = 15

Warm Up Do each of these pairs make a proportion? Solve. 5x = 85 Solve. 2x = 16 Solve 9x = 15. 1. 3 5. 9 15. 10 12. 15 18. 2. Yes Yes No No 17 8 15/9 = 1 6/9 = 1 2/3. 3. 45 30. 15 5. 4. 8 9. 12 13. Review Homework

By kacy
(154 views)

## 10. 7 Solving Rational Equations

10. 7 Solving Rational Equations. Standard: ALG. 15.0. Main Idea & Vocabulary. Today, we will solve rational equations. Like working with fractions, be sure to find a common denominator. Rational equation : an equation with one or more rational expression.

By archer
(154 views)

## 4-1 Ratios & Proportions

4-1 Ratios & Proportions. Notes. A ratio is a comparison of two quantities. . Ratios can be written in several ways . 7 to 5, 7:5, and name the same ratio. 15 ÷ 3 9 ÷ 3. bikes skateboards. Example 1: Writing Ratios in Simplest Form.

By kyrie
(188 views)

## Proportional and Nonproportional Relationships

7 th Grade Math Lesson Objective: Students will identify proportional and nonproportional relationships. Proportional and Nonproportional Relationships. Vocabulary. Proportional Two quantities that have a constant ratio Example: Nonproportional

By harley
(353 views)

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