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8090 [49]
3 years ago
8

Let y be a function of x such that 8x+7y=51 what is the rate of change of y with respect to x

Mathematics
2 answers:
Sauron [17]3 years ago
4 0

hi im bob, bob has 8x andn 89jdm[aowdn]\madawdad

Anon25 [30]3 years ago
3 0

Answer: -8/7

Step-by-step explanation:

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Which equation represents a proportional relationship between the x and y values a) y+4=3x b) y-3x=0 c) y+5x=6 d) y+1/4x=2
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Answer: B

Option is B) y-3x=0  represents a proportional relationship between the x and y values

Explanation:

Case 1 = y+4=3x

From the above equation we can see that if we change the value of x, the value of y does not changes by proportionality due to the presence of 4 .

Case 2: y-3x=0

From the above equation we can see that if we change the value of x, the value of y changes by proportionality.

Hence the correct option is B.

Case 3 = y+5x=6

From the above equation we can see that if we change the value of x, the value of y does not changes by proportionality due to the presence of 6.

Case 4 = y+1/4×x=2

From the above equation we can see that if we change the value of x, the value of y does not changes by proportionality due to the presence of 2.

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3 years ago
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Answer:

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Step-by-step explanation:

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