'Cross multiply' diaporamas de présentation

We can unite bases!

We can unite bases!. Now bases are same!. We can unite bases!. Now bases are same!. Check (Remember: Back to Original) . We can unite bases!. Now bases are same!. 8-4 Solving Logarithmic Equations and Inequalities . Attention Inequality log Domain first.

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Getting Real With ProportionS

Getting Real With ProportionS. What are Proportions? . A proportion is a statement of equality of two or more ratios. Remember: A ratio is a comparison of two numbers by division. Where do you see Proportions in Real Life? . Cartoons Food and Nutrition Fashion Design Maps Artists

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Habitat Selection, Territoriality, and Migration

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Habitat Selection, Territoriality, and Migration

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What is a scale drawing?

What is a scale drawing?. http://www.basic-mathematics.com/scale-drawings.html. Scale Drawing. A drawing that shows a real object with accurate sizes except they have all been reduced or enlarged by a certain amount (called the scale).

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Proportions

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Direct Variation

Direct Variation. Algebra I Mastery Cate Condon. The store you go into in the mall sells t-shirts. You are looking around and you see that 3 t-shirts cost $15 total. Given this information how much would 5 t-shirts cost?. We can set up a proportion: 3 5 15 c Cross multiply: 3c = 5*15= 75

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Percents and Proportions

Percents and Proportions. 2.2. Also called Capture-Recapture. . Equation. You HAVE to MEMORIZE this!. The 100 is built into the equation, and will never change. You will be asked to find one of the other pieces (%, part or whole). Method.

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Operations w/ Radicals

Operations w/ Radicals. Chapter 10, Section 3. Targets. I will be able to simplify sums and differences of radical expressions. I will be able to simplify products and quotients of radical expressions. Simplify sums & differences of radical expressions.

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Adding and Subtracting Rational Numbers

Adding and Subtracting Rational Numbers. Rational Numbers. The term, Rational Numbers , refers to any number that can be written as a fraction. This includes fractions that are reduced, fractions that can be reduced, mixed numbers, improper fractions, and even integers and whole numbers.

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Unit Rate

Unit Rate. 360 miles in 6 hours is the same as: 60 miles in one hour (60 mph). Solving Proportions. Cross Multiply: 3 x 4 And divide by the number across the letter 12 / 2 = 6. Finding Percents. What number is 50% of 32. Cross Multiply. x=(50x32)/100 = 16. What % is 16 of 32.

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Solving Proportions

Solving Proportions. Objective: Learn to solve proportions. . Cross Product. What is cross product? Cross product is the product (multiplication) of numbers on the diagonal when comparing two ratios. Example: . Cross Multiply. More Cross Product. Helpful Hint:

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Proportion Problems

Proportion Problems. 3-6-2. Review. Cross multiply Solve. Same process. Cross multiply. Distribute. Subtract to get the variables to the same side of the equation. Solve the two step equation. Examples. Cross multiply. Distribute. Subtract. Solve. Examples. Cross multiply.

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Proportions

Proportions . Proportion. **States that two ratios are equivalent. **To check if a proportion is equivalent cross multiply. Examples: 1. 2. Proportion. **To solve a proportion 1. If possible reduce ratios 2. Cross multiply 3. Solve the equation for variable

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Solving Proportions

Solving Proportions . Lesson 2-7. Warm Up:

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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

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Using Proportions

Using Proportions. Lesson 4-1. Math Vocabulary. Ratio: The comparison of two numbers (written in Algebra as a fraction ) Proportion: When two ratios are equal to each other Cross Product(s):

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Finding a Percent of a Number

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Geometric Mean

Geometric Mean. The geometric mean is the positive number x such that: A X X B. To find the geometric mean: Example: Find the geometric mean between 4 and 16. Write a proportion with X in the two mean positions: X X 16. Find the square root, simplify. X = 8.

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Chapter 6 Mastery Test A

Chapter 6 Mastery Test A. Consumer Math Practice Test . 100 + 70 + 70 + 95 + 95 + 112 = 542 calories 372 x 8 = 2976 calories Cross multiply: 3 x 216 = 648; 8 x 81 = 648 = YES or = 180 x 16 = 2880; 2880 / 96 = 30 12/124 = 10/x (cross multiply); 124 x 10 = 1240; 1240 / 12 = 103.

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