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katen-ka-za [31]
3 years ago
7

the table shows the ratio between the number of books ordered and their cost. 7,14 8,16 9,18. find equivalent ratios when the nu

mber of books ordered is 1,2, and 3. write them as ordered pairs in the form (x-coordinate, y-coordinate). starting from the origin explain how to plot three equivalent ratios on a coordinate grid.

Mathematics
1 answer:
Nadya [2.5K]3 years ago
8 0

Answer:

Number of Books. Cost (dollars). 7 14. 8 16. 9 18. Find equivalent ratios when the number of books ordered is 1, 2, and 3. Write them as ordered pairs in the form...

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Answer:

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Step-by-step explanation:

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subtract 3 (the constant) from both sides

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Paul has 12 coins in his pocket, consisting entirely of dimes and quarters. If he has a total of 195 cents in coins, how many co
anyanavicka [17]

Let x be the number of dimes

and y be the number of quarters

Total number of coins = 12

So number of dimes + number of quarters = total number of coins

x + y = 12 ---------> equation 1

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y quarters = 25y cents , x dimes = 10x cents

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Now substitute y in second equation

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Number of quarters = 5






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A congruence statement says that two polygons are congruent.

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