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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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3 0
3 years ago
1. Emily filled an empty horse trough with water. The water level, in centimeters, is proportional to time elapsed, in minutes,
Pie
Thank you for posting your question here at brainly. I hope the answer will help you. Feel free to ask more questions.
depth of water is proportional to time
d = k*t
<span>d = 7/2 * t </span>
<span>a) the point (2,28) represents the rate 28/8 </span>
b) 3.5 cm/sec
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3 0
3 years ago
Suppose y varies directly with x. If y = –20 when x = 2, find y when x = 14
Natasha_Volkova [10]

Answer:

y = -140

Step-by-step explanation:

Y varies directly with x

y = kx

We know y = -20 when x =2, we can solve for k

-20 = k*2

Divide each side by 2

-20/2= 2k/2

-10 =k

y = -10x

Now we want to find y when x = 14

y = -10 *14

y = -140

3 0
4 years ago
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