2 years ago

Simplify your answer as much as possible 4(u+8)-8u=12

Mathematics

1 answer:

ASHA 777 [7]2 years ago

4 0

Answer:

Step-by-step explanation:

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Any help with this greatly appreciated.

Anestetic [448]

Put the equation in standard linear form.

$x'(t) + \dfrac{x(t)}{t + 5} = 5e^{5t}$

Find the integrating factor.

$\mu = \exp\left(\displaystyle \int \frac{dt}{t+5}\right) = e^{\ln|t+5|} = t+5$

Multiply both sides by $\mu$ .

$(t+5) x'(t) + x(t) = 5(t+5)e^{5t}$

Now the left side the derivative of a product,

$\bigg((t+5) x(t)\bigg)' = 5(t+5)e^{5t}$

Integrate both sides.

$(t+5) x(t) = \displaystyle 5 \int (t+5) e^{5t} \, dt$

On the right side, integrate by parts.

$(t+5) x(t) = \dfrac15 (5t+24) e^{5t} + C$

Solve for $x(t)$ .

$\boxed{x(t) = \dfrac{5t+24}{5t+25} e^{5t} + \dfrac C{t+5}}$

3 0

1 year ago

-3x - 8 + 6x = 7 wat is the answer

Aliun [14]

3x-8+6x=7
9x-8=7
9x=15
x=9/15
x=3/5

7 0

2 years ago

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A baker bought 88.9 ounces of coconut. The next day, she used 7.4 ounces of it to make coconut frosting. How much coconut does t

shepuryov [24]

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81.5 = 82 if ur problem said round it out 82 if not put 81.5

Step-by-step explanation:

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2 years ago

6th grade help please

miv72 [106K]

12 + 6x + 6x + 6y = 12 + 12x + 6y

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Jill can make a key chain in 1 minute(s) 48 seconds. At this rate, which is closest to the amount of time she will need to make

mezya [45]

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10 minutes

Step-by-step explanation:

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2 years ago