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Taya2010 [7]
3 years ago
10

Two brothers are saving money to buy tickets to a concert their combined savings is 55. one brother has 15 more than the other.

how much has each saved
Mathematics
1 answer:
ser-zykov [4K]3 years ago
3 0
Let the amount saved by the brother that has less savings be x, then the savings of the other brother is x + 15.

Since their total savings is 55, then
x + x + 15 = 55
2x + 15 = 55
2x = 55 - 15 = 40
x = 40 / 2 = 20

Therefore, one person saved 20 and the other saved 20 + 15 = 35.
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The domain of the function is [-4, 4) and the range of the function is [-5, 2)

<h3>How to determine the domain and the range of the function?</h3>

<u>The domain</u>

As a general rule, it should be noted that the domain of a function is the set of input values or independent values the function can take.

This means that the domain is the set of x values

From the graph, we have the following intervals on the x-axis

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This means that the domain of the function is [-4, 4)

<u>The range</u>

As a general rule, it should be noted that the range of a function is the set of output values or dependent values the function can produce.

This means that the range is the set of y values

From the graph, we have the following intervals on the y-axis

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This means that the range of the function is [-5, 2)

Read more about domain and range at:

brainly.com/question/10197594

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RideAnS [48]

Answer:

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Note:

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