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Citrus2011 [14]
3 years ago
14

13. Solve 5/3x + 1/3x=13 1/3 + 8/3x

Mathematics
1 answer:
N76 [4]3 years ago
7 0

Answer:

The answer: 53x+13x=1313+83x

Step 1: Simplify both sides of the equation.

53x+13x=1313+83x

(53x+13x)=83x+1313(Combine Like Terms)

2x=83x+1313

2x=83x+1313

Step 2: Subtract 8/3x from both sides.

2x−83x=83x+1313−83x

−23x=1313

Step 3: Multiply both sides by 3/(-2).

(3−2)*(−23x)=(3−2)*(1313)

x=−1312

Answer:

x=−131/2

Step-by-step explanation:

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The area of a circular oil slick on the surface of the sea is increasing at a rate of [150m^2/s] how fast is the radius changing
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Answer with Step-by-step explanation:

We are given that

\frac{dA}{dt}=150m^2/s

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We have to find rate of change of radius.

We know that

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Differentiate w.r.t time

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Substitute the values then we get

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Substitute the values then we get

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r^2=\frac{1000}{3.14}

r=\sqrt{\frac{1000}{3.14}}=17.8m

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Substitute the values then we get

150=2\pi(17.8)\frac{dr}{dt}

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\frac{dr}{dt}=\frac{75}{17.8\pi}m/s

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