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2 years ago

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Which of the equations below shows the relationship in the table? [X] [15] [5] [3] [1] -----------------------------------------

- [Y] [1] [3] [5] [15]] A. y = 15x B. y = x - 14 C. y = x + 2 D. y = 15 x

1 answer:

Nataly_w [17]2 years ago

4 0

Y=15/x or xy=15 it seems that a should be 15/x

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3 years ago

Simplify.<br><br> 8u+9v+3u−5v<br><br> What is the answer?

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3 years ago

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Sarah had three times as many quarters as nickels. She had $3.20 in all. How many quarters did she have?

marin [14]

She have 12 quarters

<h3>what is unitary method?</h3>

It is a method where we find the value of a single unit from the value of multiple units and the value of multiple units from the value of a single unit.

There are two situation in Unitary method:

There are 5 ice-creams. 5 ice-creams cost $125.

Step 1: Let’s find the cost of 1 ice cream. In order to do that, divide the total cost of ice-creams by the total number of ice-creams. The cost of 1 ice-cream = Total cost of ice-creams/Total number of ice-creams = 125/5 = 25. Therefore, the cost of 1 ice cream is $25.

Step 2: To find the cost of 3 ice-creams, multiply the cost of 1 ice cream by the number of ice-creams. The cost of 3 ice-creams is cost of 1 ice-cream × number of ice-creams = 25 × 3 = $75. Finally, we have the cost of 3 ice-creams i.e. $75.

Given:

If she had 12 quarters, then

12 * .25 = $3 ( quarters)

4 * .05 = $.2 ( in nickels)

Hence, she have 12 quarters.

Learn more about unitary method here:

brainly.com/question/22056199

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2 years ago

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