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HACTEHA [7]
2 years ago
8

A washer and a dryer cost $911 combined. The washer costs $39 less than the dryer. What is the cost of the dryer?

Mathematics
2 answers:
Gemiola [76]2 years ago
3 0
$475 is the dryer, and the washer is $436
Vikki [24]2 years ago
3 0
Sum and difference problem, where difference = larger number - smaller number.

The larger number is (sum+difference)/2.
The smaller number is (sum - difference)/2

Therefore the dryer costs (911+39)/2=475
The washer costs (911-39)/2=436
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Step-by-step explanation:

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5 0
3 years ago
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The greatest common factor of 20 and 30 is 10. This is because 10 is the largest number that when it is used to divide 20 or 30, it equals a whole number.

The simple way for us to solve is to write down the factors of both numbers, find the factors that match for both numbers, and see which is the largest out of those that match.

20: <u>1</u>,<u>2</u>,4,<u>5</u>,<u>10</u>,20
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Using the function concept, it is found that:

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In a function, <u>one value of the input can be related to only one value of the output</u>.

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In this problem, at Graph A, when x = 5, for example a vertical line crosses the function 3 times, hence there are 3 respective values of y for x = 5, and the same is valid for other values of x, hence it is not a function.

At Graph B, <u>for each value of x, there is only one value of y</u>, hence it is a function.

Hence:

Graph B is a function because each value of x corresponds to exactly one y-value.

To learn more about the function concept, you can take a look at brainly.com/question/12463448

5 0
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ser-zykov [4K]

Answer:

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