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Phoenix [80]
3 years ago
7

the sum of two numbers is 385 the difference between the number is 93 what’s is the value of the larger number?

Mathematics
2 answers:
Oxana [17]3 years ago
7 0
X+y=385
x-y=93
y=385-x
x-(385-x)=93
x-385+x=93
2x-385=93
2x=478
x=239
y=239-93
y=146
alexdok [17]3 years ago
6 0

x = 239

y = 146

Step-by-step explanation:

Let two numbers be x and y

x + y = 385. ------------equation (1)

x - y = 93. ------------equation (2)

from (1) and (2)

x = 239 and y = 146

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Using linear functions, it is found that the two plans cost the same for 5000 minutes of calling.

<h3>What is a linear function?</h3>

A linear function is modeled by:

y = mx + b

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For Plan A, the cost is of $25 plus an additional $0.09 for each minute of calls, hence the y-intercept is b = 25, the slope is of a = 0.09, and the function is:

A(x) = 0.09x + 25

For Plan B, the cost is of $0.14 for each minute of calls, hence the y-intercept is b = 0, the slope is of a = 0.14, and the function is:

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0.14x = 0.09x + 25

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x = 5000

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To learn more about linear functions, you can take a look at brainly.com/question/24808124

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