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Sergio039 [100]
3 years ago
13

Y=4x. 3x-y=1 how to get the y value

Mathematics
1 answer:
pickupchik [31]3 years ago
4 0
Since y=4x
substitute 4x into the second equation
3x-4x=1
-x=1
x=-1
if x=-1, substitute x=-1 in the equ 1
y=4x
y=4(-1)
y=-4
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In a certain town, the amount of sulfur oxide in the air, S, in tons, is related to the town’s population, P, in people. The rel
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Change in sulfur oxide in the air = \frac{\textup{110010}}{\textup{S}}

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Data provided in the question:

Relation between the amount of sulfur oxide in the air and the population as:

S² = 110P² + 20P + 600

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Now,

change in sulfur oxide with time i.e \frac{\textup{dS}}{\textup{dt}}

differentiating the given relation with respect to time 't'

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2S\frac{\textup{dS}}{\textup{dt}} = 2 × 110 × 100 × 10 + 20

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