1) Define an algebraic equation and give an example. |
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2) What is the replacement set or domain for a variable? |
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3) Explain what a solution set is. |
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Use substitution to solve the next four problems. |
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21) Explain how you solved the previous problem. |
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Use elimination to solve the next four problems. |
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26) Explain how you solved the previous problem. |
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Use systems of equations to solve the next four problems. |
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28) Rachel wants to use cottage cheese and yogurt to increase the amount of protein and calcium in her daily diet. An ounce of cottage cheese contains 3 grams of protein and 12 milligrams of calcium. An ounce of yogurt contains 1 gram of protein and 44 milligrams of calcium. How many ounces of cottage cheese and yogurt should Rachel eat each day to provide 57 grams of protein and 840 milligrams of calcium? |
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29) How many pounds of peanuts at $2.50 per pound and cashews at $3.60 per pound should be used to obtain 100 pounds of mixed nuts valued at $316.00? |
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30) Becky is doing research in which she needs 28 grams of a substance that is 30% protein. How many grams of each two ingredients, one that is 50% protein and the other 25% protein, should she mix together? |
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31) If you were directed by your school to complete Offline Activities for this course, please enter the information on the Log Entry form. |
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