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3 years ago

20. Find the quotient.

Mathematics

2 answers:

ozzi3 years ago

5 0

Answer:

The correct answer is J. 10

Step-by-step explanation:

The answer to the equation 4/5 divided by 2/25 is equal to 10.

qwelly [4]3 years ago

3 0

The correct answer is J

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When solving the equation 10x + 2 = 22, what is the first thing you're going to do?

Tasya [4]

I would minus 2 from both sides of the equation so that it becomes:

$10x \: = \: 20$

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3 years ago

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Evaluate the line integral for x^2yds where c is the top hal fo the circle x62 _y^2 = 9

natulia [17]

Parameterize $C$ by

$\mathbf r(t)=\langle x(t),y(t)\rangle=\langle3\cos t,3\sin t\rangle$

where $0\le t\le\pi$ . Then the line integral is

$\displaystyle\int_Cx^2y\,\mathrm dS=\int_{t=0}^{t=\pi}x(t)^2y(t)\left\|\frac{\mathrm d\mathbf r(t)}{\mathrm dt}\right\|\,\mathrm dt$
$=\displaystyle\int_{t=0}^{t=\pi}(3\cos t)^2(3\sin t)\sqrt{(-3\sin t)^2+(3\cos t)^2}\,\mathrm dt$
$=\displaystyle3^4\int_{t=0}^{t=\pi}\cos^2t\sin t\,\mathrm dt$

Take $u=\cos t$ , then

$=\displaystyle-3^4\int_{u=1}^{u=-1}u^2\,\mathrm du$
$=\displaystyle3^4\int_{u=-1}^{u=1}u^2\,\mathrm du$
$=\displaystyle2\times3^4\int_{u=0}^{u=1}u^2\,\mathrm du$
$=54$

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3 years ago

Math question down below

kolbaska11 [484]

Answer:

314.961

Step-by-step explanation:

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3 years ago

Harvey the wonder hamster can run 3 1/6 km in 1/4 hour. Harvey runs at a constant rate. Find his average speed in kilometers per

inysia [295]

$3 \frac{1}{6}: \frac{1}{4}= \frac{19}{6}* \frac{4}{1}= \frac{38}{3}= 12 \frac{2}{3}$

his average speed is 12 2/3 kilometers per hour

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3 years ago

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12,10,15, 13.18.16.21.19 what comes next .

shtirl [24]

The answer is 24. it works like this. you subtract 2 from 12 and get 10. then add 5 to 10 to get 15. then subtract 2 from 15 and get 13. 13+5 is 18. and so on

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3 years ago

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